| Subject | Date Asked |
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| Kill Willows | 11/18/2009 |
Q: From your answer on this subject I assume you use undiluted Roundup. If not what dilution is ...
A: For the stump treatment you use the undiluted Roundup right from the container --make sure the ...
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| Cottonwood trees | 11/18/2009 |
Q: I live in Vancouver, WA. A vast quantity of "cottonwood" trees are growing down by the river on ...
A: You are not going to like my answer. The trees need to be left alone. They were there before the ...
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| sycamore tree removal | 11/18/2009 |
Q: how feasible do you think it is to remove a 50 year old sycamore tree from the street side of our ...
A: The first question I would have is-- Why do you want to remove it? Is it dying , causing problem ...
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| Topping trees | 11/17/2009 |
Q: I have a magnolia tree that is about 16 feet tall and 6 feet around. I would like to top it by ...
A: Do not top the trees--this will cause major problems to the tree and could kill the trees. The ...
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| Autumn Blaze Maple | 11/15/2009 |
Q: I have a new tree, only planted about 5 wks ago, someone told me that the trunk needs to be wrapped ...
A: Do not top the tree--in fact topping of any tree is not good for the tree. Any pruning should be ...
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| Oak tree Fungus - NE OK | 11/15/2009 |
Q: JIm- We chatted last week. Here is a picture of the fungus. You may recall the tree incurred a split ...
A: These are the fruiting bodies of a decay fungi. I am not real sure which one but it really does not ...
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| Mulching Evergreen trees | 11/14/2009 |
Q: I live in Central Wisconsin and have planted approximately 300 evergreens, blue spruce etc over the ...
A: No this type mulch is ok as long as you do not pile it up on the trunk. When you put the mulch ...
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| tree buying and planting | 11/13/2009 |
Q: I would like to buy a deciduous tree for screening my neighbors house in CT. What is the most ...
A: Without knowing the space and site you are going to plant this tree in it will be difficult to ...
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| pine trees | 11/12/2009 |
Q: We are in West Michigan and have a 15' pine tree that is 10 years old. The middle of the tree is ...
A: Can you attach a picture. I can not picture in my mind what you are describing. If you are saying ...
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| Live Oak Dying? | 11/12/2009 |
Q: My wife and I recently purchased a new home in Fernandina Beach Florida in October. The house came ...
A: My first thought is a bad planting job or the tree were dead or dying when they were planted. ...
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| Twig Girdler | 11/10/2009 |
Q: Limbs look like they have been cut off by a beaver. What do I do to get rid of this pest? Thanks
A: They lay their eggs in the part of the limb cut off and on the ground. The way to reduce the ...
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| enormous seed pod | 11/10/2009 |
Q: I found some huge seed pods in Central Park (NYC) over the weekend, similar in look to that of a ...
A: This sounds like Osage-Orange, Maclura pomifera. Known also as hedge, hedge-apple, bodark, ...
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| Red Maple Damage | 11/9/2009 |
Q: On 3/24/2009 you responded to a question regarding carpenter ants in a maple tree. I have read your ...
A: Since it is as large as it it I would stay with the tree for the time being. I would treat the tree ...
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| river birch | 11/8/2009 |
Q: I have a river birch that is 6 or 7 feet from the back of my house. The house is on a slab and I ...
A: You should not have a problem with root damage from a river birch--their root system is fiberious ...
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| fungus on oak tree | 11/8/2009 |
Q: I have a huge oak tree, don't know exactly what kind of oak, but it has something on the side that ...
A: Sounds like Lichens and these are not a real health problem to trees. Lichens are an example of a ...
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| Blue Spruce with scale insects | 11/8/2009 |
Q: I have a 50-60 ft Blue Spruce with scale on the lower branches. I believe that the scale came in a ...
A: The horticultural oils do tend to turn the color from the bluish to more green. Fertilizer will ...
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| beetles on mimosa trees | 11/7/2009 |
Q: we have a mimosa tree that has some kind of beetles that eat a perfect circle around the ...
A: There are two insects that cut off twigs of pecan: the twig girdler and the twig pruner. Both of ...
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| Deer damage | 11/7/2009 |
Q: Deer have stripped the bark from our very young maple trees and broken some branches. What should we ...
A: The rubbing can kill the tree if the bark is rubbed off all the way around the trunk. Damage that ...
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| Weeping Willow has black spots on | 11/6/2009 |
Q: I have plated 3 Willow trees 2 of them are doing great the third has black spots.What can I use to ...
A: It sounds like leaf spots but this late in the year I would do nothing except rake the leaves when ...
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| Variety of weeping cherry | 11/6/2009 |
Q: I am trying to identify a 'snow fountain' cherry tree I recently purchased and was hoping you could ...
A: Prunus x yeodensis(snow fountain http://www.hort.uconn.edu/plants/p/pruyed/pruyed1.html Prunus x ...
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| tree growth | 11/5/2009 |
Q: homework question...Why do trees never grow above a certain height??
A: I assume you mean height as in tall not altitude as on the top of a mountain. It is a combination of ...
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| Birch pests | 11/4/2009 |
Q: can you tell me who does this?
A: This is caused by a wood pecker called a sap sucker. They make the holes in the bark and insects ...
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| Crepe Myrtle | 11/4/2009 |
Q: In live in Northern NJ. Our Crepe Myrtle has been in the ground 2 or 3 years and is about 7 feet ...
A: The ideal crepe myrtle pruning time is either in the late winter or early spring when the tree is in ...
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| Fir tree in the NW | 11/4/2009 |
Q: I have a 30 foot fir tree that I have recently put some dirt around the base in an effort to ...
A: Yes soil added around a tree trunk can damage the tree by compressing the soil and the air pockets ...
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| Transplanting a Seiryu Japanese Maple | 11/3/2009 |
Q: I read your answer of 07/30/07 to the individual who wanted to transplant a Japanese Maple and who ...
A: Size of the root ball should be dug as follows: For deciduous trees and shrubs the soil ball ...
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| willows | 11/3/2009 |
Q: i have tried round up but it hasn't killed them it just made them come back with a vengeance any ...
A: Garlon 4 is labeled for use as a foliage spray, thinline spray, stump spray, and basal bark ...
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| COLORADO BLUE SPRUCE TREE | 11/3/2009 |
Q: I LIVE IN CHALFONT, PA. MY COLORADO BLUE SPRUCE NOW HAS SOME BROWN BRANCHES, A LITTLE AT THE BOTTOM ...
A: Conifers do lose the needles on the interior part of the foliage so some of this maybe natural. But ...
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| willows | 11/2/2009 |
Q: i have tried round up but it hasn't killed them it just made them come back with a vengeance any ...
A: Two methods that are less noticeable are basal spray and hack and squirt. Basal sprays are applied ...
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| Pine Tree | 11/2/2009 |
Q: a week and 2 days ago I replanted a pine tree (don't know what type) that was dug up from a building ...
A: Not much of a chance. If the roots dried out there is a good chance the tree will die. I would ...
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| Transplanting a Seiryu Japanese Maple | 11/2/2009 |
Q: I read your answer of 07/30/07 to the individual who wanted to transplant a Japanese Maple and who ...
A: I would wait until the hardwood leaves have fallen and then go ahead and move the tree now. In ...
|
| Raywood Ash | 11/1/2009 |
Q: "IN THE SACRAMENTO, CA AREA I HAVE A RAYWOOD ASH TREE THAT WAS PLANTED ABOUT 20 YEARS AGO. UNTIL ...
A: It does not look too good for this tree. Without looking at the tree it is difficult to ID the real ...
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| Live Oak Acorns | 10/31/2009 |
Q: We bought 3 Live Oak trees from "W-M" two years ago and planted them in our yard. They are now 7-8 ...
A: The average oak produces a significant number of acorns at about 15-29 years under normal ...
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| Redwood Trees | 10/28/2009 |
Q: My largest redwood tree is over 75 high and about 6 feet in diameter at the base. 3 others are as ...
A: I is hard to tell about the situation without seeing the tree location and the driveway I would ...
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| chestnut seeds | 10/28/2009 |
Q: Jim, I live in the Northwest, I had my parents send me 10 chestnut seeds from the Northeast from a ...
A: Nuts collected in the fall must undergo several months of cold storage before they can be planted in ...
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| Emerald Cedar trees | 10/28/2009 |
Q: I have 10 short Emerald Cedar trees now on October, better to planet it now out side or I can keep ...
A: In the fall they need at least 6 weeks before the ground freezes. In the spring, Evergreens can be ...
|
| locust trees | 10/28/2009 |
Q: I have all kind of little locust trees all over my property give me the easiest way to kill them for ...
A: Wipe the foliage with a herbicide called Roundup. This will be taken up by the foliage and ...
|
| buried tree trunks | 10/28/2009 |
Q: Sorry, I'll try to re-state the question. In my back yard are 3 adult live oaks, spaced close ...
A: IF there has been 2 feet of soil and rock added around the trees I would remove it as soon as ...
|
| Apple seedlings | 10/27/2009 |
Q: I cut open an apple and found two seeds that had germinated. These are now planted in tiny pots in ...
A: I would not keep them in the house--the low humidity and the heat will not be good fro them. keep ...
|
| Tree ball | 10/27/2009 |
Q: some 10 yrs ago I had a contracter plant 6 very expensive pine trees. the tree tops died off and ...
A: Several things were done incorrect--the wire and the burlap should be removed before the tree is set ...
|
| Sycamore tree problems | 10/27/2009 |
Q: I have a Sycamore maple growing in front of my house. My front yard is less than 300 square feet. ...
A: You are right the summer months are the worst time to plant a tree especially a 15 foot tree. The ...
|
| Sycamore tree problems | 10/27/2009 |
Q: I have a Sycamore maple growing in front of my house. My front yard is less than 300 square feet. ...
A: Sycamore maple will reach Height: 40 to 60’ Width: 25 to 40’ at maturity. This is entirely too ...
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| tree fungus | 10/21/2009 |
Q: Jim, I have asked you two questions before, one about our neighbors overhanging river birch trees, ...
A: Sounds like lichens. Lichens are an example of a symbiotic relationship between algae and certain ...
|
| Ponderosa Pines | 10/21/2009 |
Q: We have a stand of ponderosa pine, that has been dying, we have just cut 10-15 trees in the past ...
A: Sounds like the trees are under stress from the horses either by compaction of the soil or the ...
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| Red Maple | 10/21/2009 |
Q: We have a Red Maple that is located 9 feet from the condo that we live in. It is now 3 inches in ...
A: Red maples have a spread of about 15-30 feet depending on the variety of Red maple you have from ...
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| Live Oak next to a pool | 10/21/2009 |
Q: I have a 6 in. live oak that is about 15 ft. tall. It sits next to our pool that we had installed ...
A: It will not be a problem for many years down the road. Live oak has a average spread of about 60 ...
|
| Red Oak Tree | 10/20/2009 |
Q: I planted a Red Oak Tree in my front yard 4 years ago. Every year up until this year the tree was ...
A: All fertilizers are labeled with three numbers, giving the percentage (by weight) of nitrogen (N), ...
|
| Maple Tree | 10/20/2009 |
Q: The leaves on my young maples look like Swiss cheese and they are turning black on the edges. I see ...
A: Sounds like a couple of things. The spot on the leaves are caused by a fungi. These are leaf spot ...
|
| Fat Albert Blue Spruce | 10/20/2009 |
Q: I have a 4 yr. old Fat Albert Blue spruce that has suddenly (within the last 5 days) went from ...
A: Contrary to popular opinion, evergreen trees do not keep their needles indefinitely, they just do ...
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| problem root growth | 10/20/2009 |
Q: If I water and fertilize in a desired dripline quadrant will the root growth be concentrated in that ...
A: You can try it but I do not think it will work. Roots tend to grow toward a water and nutrient ...
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| problem tree | 10/20/2009 |
Q: We have tree growing near our swimming pool that drops large, tennis ball size, green orbs into the ...
A: In the first place it will not just stand there for ever if you killed it. Over time the limbs would ...
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| magnolia trunk damage | 10/19/2009 |
Q: My neighbor backed his truck tailgate into a magnolia tree aprox 15 years old. He scraped the bark ...
A: It is not as bad as it seems. Cut the loose bark from around the wound. The wound will heal by ...
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| air plants/ moss killing Oak Trees | 10/19/2009 |
Q: I have 3 acres full of oak trees that are dying. In the past 3-4 years the trees seem to be overrun ...
A: Sounds like Ball Moss. Here is a web link to information in Ball moss. ...
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| Black bark on my oak tree | 10/19/2009 |
Q: We noticed 2 large black areas at the trunk of our old oak tree and wondered what it could be. the ...
A: If the dark areas are wet it sounds like a borer type insect. Spray the area with an insecticide ...
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| transplanting flowering crabapple tree | 10/19/2009 |
Q: My question may be a 2 parter or more.I planted 2 flowering crabapple trees 1 1/2 years ago(I ...
A: I would not put them in pots--you would need a very large pot and then you would have trouble moving ...
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| Land filled Mapled | 10/19/2009 |
Q: Our hill-side house was built last year around June. We live in a mature never touched maple forest ...
A: It will depend on how much was added. If you can still see a flare of the tree trunk then you may be ...
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| Raywood Ash Root stock. | 10/19/2009 |
Q: Recently we had some cows get loose and break off a Raywood ash at the base. The tree was about ...
A: They could be grafted on another ash species but not another hardwood like mulberry. The ash leaves ...
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| Kill an evergreen | 10/19/2009 |
Q: How can you kill an evergreen tree? I don't want to pay to have it taken down.
A: Conifer evergreen tree can be killed by girdling the trunk and cutting into the bark into the wood ...
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| Replanting fallen tree | 10/18/2009 |
Q: My Ash Tree has fallen over in northern California in current wind storm. It look like the main ...
A: It will be a hard job to re stand it but it would be worth it. The damage will depend on the amount ...
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| Help I D a tree | 10/17/2009 |
Q: I have a huge tree in my front yard with pea pod things hanging from it. The leaves are really dark ...
A: Without a picture I would guess that this is a catalpa tree. There is a Southern and a Northern ...
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| Leaf Collection | 10/17/2009 |
Q: My grandson has to do a leaf collection(20) using only Georgia native trees. He has to use taxonomic ...
A: Here are several sites that have keys to ID trees. http://www.oplin.org/tree/ ...
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| air plants/ moss killing Oak Trees | 10/16/2009 |
Q: I have 3 acres full of oak trees that are dying. In the past 3-4 years the trees seem to be overrun ...
A: By air plants if you are talking about Spanish moss here is information on the treatment of this. ...
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| broken branch live oak | 10/16/2009 |
Q: We have a live oak that has a trunk diameter of nearly four feet and off of the trunk are about four ...
A: A couple of things--If the limb was hollow and assuming it was up in the tree this means the tree is ...
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| Maple tree seedling in a pot. | 10/15/2009 |
Q: I live in southern Ohio. I found a few maple tree seeds over the summer and planted them in pots. To ...
A: I would not bring them in the house. The heavy and low humidity would cause them problems--they will ...
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| dead oak trees | 10/15/2009 |
Q: I have several types of oaks in the Kosse Texas area. Trees are quickly dieing in groups of three ...
A: It would be difficult to tell exactly what the problem is without looking at the trees. In Texas ...
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| green mould like substance on tree branches | 10/15/2009 |
Q: my Japanese maple bush is approx 5 yrs old,The leaves have now all fallen to leave unsightly thick ...
A: These looks like lichens and are not a health problem for the tree. Lichens are unusual creatures. ...
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| hackberry tree disease | 10/14/2009 |
Q: I live in San Antonio Texas and have a very large hackberry tree in the back yard that covers approx ...
A: This is an insect called an aphid. They suck the plant juices and secrete a substance called ...
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| raywood ash disease? | 10/14/2009 |
Q: In a recent storm in Merced California, the huge raywood ash tree across the street fell crushing my ...
A: The inside wood of trees are many color usually depending on the minerals in the soil and the ...
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| Green Giant Thuja trees | 10/14/2009 |
Q: Last week-end we planted two large Green Giant thuja trees on a slope. They looked fine when they ...
A: A slight lean is not a problem and the tree will straighten out. Of it is leaning say 20 degrees ...
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| River birch trees | 10/14/2009 |
Q: Our neighbor has three massive river birch trees just on his side of the property line, but because ...
A: Sounds like the tree has been attacked by an insect called a borer. They will bore into the bark and ...
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| growth of 'healthy' plum tree | 10/14/2009 |
Q: I bought two plum trees three years ago in early Spring and at the same time and same location ...
A: It sounds like the soil is lacking in urea and the dog is providing the tree in the back. Usually ...
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| oak tree limbs breaking off | 10/14/2009 |
Q: We have a very large old oak tree, it has had one limb a year break off for four years. These limbs ...
A: Is the wood on the end of the limbs where it broke from the trunk hollow or mushy or not solid. This ...
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| Different Trees - Similar Disease? | 9/29/2009 |
Q: I live in the greater Atlanta area of Georgia where we had a severe drought last summer (2008). I ...
A: The drought in the South has injured the hardwood trees and some of the effect of this damage was ...
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| Curly Willow Tree | 9/29/2009 |
Q: There is a curly willow tree planted about 10 feet from my inground pool (concrete wall). Will the ...
A: I would move it--willow roots tend to seek water and if there is a leak in the pool the roots will ...
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| How to clean an outdoor deck | 9/29/2009 |
Q: Jim, Our extension agent has identified the black deposits on my deck as lycenium or mycelium ...
A: The Maple tree is the source of the sooty mold. The tree sounds like it has an infestation of an ...
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| firewood | 9/29/2009 |
Q: our firewood has mushroom looking fungus growing on it ... is it safe just to knock it off and then ...
A: Solid wood is hard and usually not discolored. Where decaying wood is stained and starts to become ...
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| Umbrella Willow or Globe Willow | 9/29/2009 |
Q: Where can I purchase these type of willows for shipment to me in California? Thank you.
A: You should be able to check with your local nursery. They may have it or can order it fro you. That ...
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| Live Oak Tree | 9/29/2009 |
Q: We have a live oak tree in Charleston, SC. It has suddenly begun dripping a thick sap-like ...
A: Since live oaks keeps their leaves all winter it will have some transporting action through the ...
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| Bore worms in Oak trees | 9/28/2009 |
Q: Is Merit something that can be bought and used without be licensed? We have been told that we have ...
A: No you do not have to have a license to but Merit. You can get it to spray on the trunk where the ...
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| Black Walnut | 9/28/2009 |
Q: I have a black walnut tree growing on my property, it is actually in a very heavily wooded part, I ...
A: The husks do turn black and decay leaving the nut inside. The insects are just feeding on the husks ...
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| Transplanting from pot to ground | 9/28/2009 |
Q: I live in Orange County in Southern California and want to transplant a Japanese Acer from a pot to ...
A: The best time is after the hardwood tree in the area have lost their leaves. Dig the hole twice the ...
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| Live Oak Trees | 9/28/2009 |
Q: What are those prickly ball shaped things that grow on the branches of Live Oak trees in Texas? ...
A: These are galls formed by insects. The insect lays its eggs on the twig and secretes a chemical that ...
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| Worms on River Birch Trees | 9/28/2009 |
Q: I have pictures of these worms who are falling out of our River Birch trees. These worms have been ...
A: These caterpillars are not from the webs last year. If there was not web this year this caterpillar ...
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| Spruce tree | 9/28/2009 |
Q: I have a very large old spruce tree in my front yard. In the last few years I have noticed that two ...
A: Sounds like the tree is sprouting suckers from the trunk. These can be pruned off. I would wait ...
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| oak tree leaves | 9/28/2009 |
Q: I just noticed small red bell shaped objects on the leafs of one of my small oak trees. They appears ...
A: Sounds like an insect called a gall wasp. There are a variety of gall-forming species of small ...
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| tree borers | 9/27/2009 |
Q: We have had a problem with borers in our Eucalyptus trees. Now they are starting to affect our ...
A: More than likely yes this sounds like the longhorn beetle. I would treat the tree with an ...
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| tree spread | 9/27/2009 |
Q: The base of my oak tree has spread to the point where I can barely enter my driveway. Can I cut a ...
A: Prune the lower limbs off so that none will be hitting the car when you drive into the driveway. Cut ...
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| Fruitless Mulberry | 9/27/2009 |
Q: I have a beautiful fruitless mulberry tree which has a rust-like appearance around the leaves. It ...
A: This sounds like a rust fungi. Mulberry rust is common in China where they raise silkworms on ...
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| Shelling nuts | 9/27/2009 |
Q: I have a hican tree, cross between hickory and pecan,and the nuts are as hard as big bud hickory ...
A: According to Mother Earth News. First you'll need to remove the green outer hull. But don't throw ...
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| Live Oak Tree | 9/27/2009 |
Q: We have a live oak tree in Charleston, SC. It has suddenly begun dripping a thick sap-like ...
A: If the sap is sticky it sounds like either an insect called an aphid or a scale insect. Both suck ...
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| oak tree leaf bumps | 9/27/2009 |
Q: I am seeing red round bumps on my oaks tree leaves and wondering what they are.. and if it's hurting ...
A: Sounds like an insect caled a leaf gall wasp. There are a variety of gall-forming species of small ...
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| borers in eucalyptus trees | 9/26/2009 |
Q: You gave great info on what to do if the trees are living. We cut ours eucalyptus trees down 6 ...
A: Eucalyptus logs used for firewood and dead or dying branches and trees are the primary ...
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| Black mold on tree | 9/26/2009 |
Q: This summer I noticed some white fuzzy things under the leaves on my young tree. I treated it with ...
A: These are an insect called aphids. They suck the plant juices from the tree and secrete a substance ...
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| Oak Tree Fungus? | 9/26/2009 |
Q: I have an oak tree that has many large clumps/clusters, dark in color, on the branches. I've never ...
A: They sound like insect galls. The branches sound like galls. Galls are irregular plant growths ...
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| Birch Tree Pruning | 9/26/2009 |
Q: I've attached a picture of the Birch tree from our front yard. We live in Vacaville, CA. The house ...
A: It is difficult to teel but it looks like there are three main branches--one lean towards your ...
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| cut root on a bradford pear | 9/26/2009 |
Q: while burying a cable line at a customers house we cut a root on this pear tree. the root was only ...
A: No I doubt the cutting of one roots would kill a tree. IF you cut more than 30 % of the roots of a ...
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| Worms on River Birch Trees | 9/26/2009 |
Q: I have pictures of these worms who are falling out of our River Birch trees. These worms have been ...
A: The caterpillars are migrating to find a place to spin their cocoons. They have done their damage ...
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| Bees on a Japanese Maple | 9/25/2009 |
Q: We're seeing a swarm of bees and flies on our Japanese Maple tree. Is this an indication of some ...
A: It could be an infestation of aphids or scale insects. These insects suck the plant juices from the ...
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| limbing douglas fir trees | 9/25/2009 |
Q: best time of year to limb in the northwest
A: Any time after the hardwoods have dropped their leaves until they bud out in the spring. This time ...
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| watering cottonwoods | 9/25/2009 |
Q: I live in the Mojave desert in southern CA. I have a fremont cottonwood on a graywater system and ...
A: Trees need about 1 inch of water per week--place a pan under the tree and turn the sprinkler on and ...
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| italian cypress | 9/25/2009 |
Q: I have recently purchased 2 small trees 18" I live in north east england will it be ok to plant in ...
A: The container should have adequate holes at the bottom for drainage of excess water. The drainage ...
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| Watering a Red Oak | 9/25/2009 |
Q: Just planted a 12 foot red oak. We put two lengths of 3 inch PVC into the hole down to the bottom ...
A: A much better way to water would be to water with 1 inch of water-place a pan under the tree and ...
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| pruning sucklings from willow | 9/24/2009 |
Q: I have a large willow tree on the bayshore of NJ. Lots of wind here. Should I cut the limbs ...
A: The sucker--sprouts near the bottom of the trunk can be removed without harming the tree or the ...
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| Damage to bark from children | 9/24/2009 |
Q: I have a mature weeping Japanese Red Maple (approximately 50 years old) that some children have been ...
A: I would remove any loose bark from around the wounds and let the tree heal by itself. You could ...
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| Bore Worms in Pine Tree | 9/23/2009 |
Q: I have been told that I have bore worms in my pine tree of about 30 years and have advised it be cut ...
A: If the needles on the ends of the branches are turning brown then the tree is dying. Pines will ...
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| FLORIDA SCRUB OAKS | 9/23/2009 |
Q: A tree guy topped off some old scrubs oaks in the front of my house. He was suppose to leave some ...
A: It will depend on the size of the trunk. It may sprout out of the trunk BUT it will look like a bush ...
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| Hedge Trimming | 9/23/2009 |
Q: I have a lot that is infested with river cottonwoods, as they are commonly known around here. ...
A: It is going to depend on the make of chainsaw you have. each make has its own attachments and one ...
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| Oak tree Sap | 9/22/2009 |
Q: I have three oak trees in my back which is fenced in into two sections and used for a dog pen. For ...
A: The foul-smelling and unsightly seepage of sap from the trunk of shade trees is commonly called ...
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| Sap On From Oak Trees | 9/22/2009 |
Q: The oak tree in my back yard produce a great deal of sack and is very messy and dirty how do i ...
A: More than likely the tree has an infestation of either aphids or scale insect. Both of these will ...
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| Trees | 9/22/2009 |
Q: Is Cottonwood Trees native to Nebraska?
A: Yes it is the Sate Tree of Nebraska. The Cottonwood (Populus deltoides marsh) became Nebraska's ...
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| japanese acer small tree | 9/22/2009 |
Q: when is the best time to transplant a small japanese acer
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
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| Help! With my pine tree. | 9/22/2009 |
Q: a woodpecker made alot of holes in my 30ft pine tree.I have seen sap collect in globs from these ...
A: These are insects--If the glob is white the insect is a cone moth called Dioryctria. These will bore ...
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| cutting tree roots | 9/21/2009 |
Q: I have an approximately 10-12 year old jacaranda tree (about 7" diameter trunk, drip line spreads ...
A: Yes cutting these roots will damage the tree and possible cause it to die. IF they pavers are solid ...
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| Iford Weeping Cherry Tree | 9/21/2009 |
Q: My friend has just purchased a weeping cherry tree and someone said we should plant it in a large ...
A: No if you plant it in a pot the roots will be confined and as the tree grows it will die since the ...
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| Citrus Tree Disease | 9/21/2009 |
Q: I have an orange tree with a white powder on the underside of the leaf. What is it and what is a ...
A: Sounds like powdery mildew. Powdery mildew fungi belong to the group of plant pathogens called ...
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| Red Oak tree - diseased? | 9/21/2009 |
Q: My neighbor has 2 very large red oak trees. One is OK but the other seems sick. For about the ...
A: Small branches accumulating on the ground and the presence of clean-cut twigs, and in some cases ...
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| cedar trees | 9/21/2009 |
Q: We recently acquired 5 15ft cedar trees and have planted them in our backyard. I am worried that the ...
A: Mulch around the tree with not more than 3 inches deep of organic mulch not piled up on the trunk. ...
|
| Purple Robe Locust | 9/21/2009 |
Q: I have a two Purple Robe Locust trees (probaly about 4 years old) that we transplanted to a ...
A: My first thought was a response to the move--this is a fairly good size tree to move and the root ...
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| plum tree | 9/21/2009 |
Q: I have a plum tree that is 4 years old and had a few blossoms this year but no plums. I fertilized ...
A: Yes plum tree should be pruned to produce more fruit. Pruning should be done in June on a dry day to ...
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| Laural Oak struggling in North Houston | 9/21/2009 |
Q: Jim, We planted two Laural Oaks (one in front, one to side) of house almost 2 yrs ago. The one on ...
A: Planting tree in heavy clay can be a problem. The hole needs to be about twice the size of the ...
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| using evergreen stump grinding material as mulch | 9/21/2009 |
Q: I am having 5 evergreen stumps ground down. (1 White Pine, 4 Norway Spruce) I'm told there will be ...
A: Yes the chips can be use as mulch. They will work fine. Some folks say the fresh chips may reduce ...
|
| Arborvitae and chain link fence | 9/21/2009 |
Q: We have a 6' chain link fence that we'd like to grow arborvitae against. If we start off with 2' ...
A: Yes these tree will grow through the fence if planted close to it. Emerald Green Thuja a ...
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| Weeping willow | 9/20/2009 |
Q: I bought a weeping willow about 2 years ago not really knowing how big it could get. I bought it in ...
A: Weeping willow trees will have a spread of about 20-30 feet when mature. Which will mean the ...
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| Fat Albert Spruce Tree | 9/20/2009 |
Q: We purchased our Fat Albert in May 2009, 7' tall. We are noticing some of the needles around the ...
A: No needles of spruce as well as other conifers will drop naturally. As long as the upper needles ...
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| 10 yr old Leyland Cypress | 9/20/2009 |
Q: Can I trim my Leyland Cypress back 2 to 3 ft without damaging the tree and also end up with new ...
A: No if you cut your tree back to 2 -3 feet tall and cut the terminal if the tree does not die you ...
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| tranplanting shoots | 9/20/2009 |
Q: I have towering poplars around my yard for shelterbelt ,there are alot of shoots coming up in ...
A: It will depend on if the sprout have there own root system or are sprout from the roots of the ...
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| weeping willow | 9/20/2009 |
Q: my willow plant is two years old and is thriving, i'm worried I have planted it to near the house. ...
A: Weeping willow trees will have a spread of about 20-30 feet when mature. Which will mean the ...
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| italian cypress | 9/20/2009 |
Q: is it safe to put italian cypress on a very steep slope 12 feet of it at 45 degrees before leveling ...
A: It will depend on the depth of the soil over the sandstone. Cypress will have a fairly shallow root ...
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| Live Oak in Texas | 9/20/2009 |
Q: We had a long hot summer and trees were watered regularly. All are doing fine with the exception of ...
A: No the wound dressing would not have effected the foliage of the oak. The hot dry weather followed ...
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| trim fruited malberry tree | 9/19/2009 |
Q: I have a fruited mulberry tree and when I do have to trim a large limb 1" or larger I always leave ...
A: Pruning of Mulberry trees should be done in the dormant months (after the leaves have dropped in the ...
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| Fig tree | 9/19/2009 |
Q: When is the best time ti plant a fig tree? What is the best to plant in Alabama? Thank you
A: When To Plant. Plant fig trees while they are dormant--spring is the best time. In warm areas, ...
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| Weeping Pusssy Willow | 9/19/2009 |
Q: At a local nursery they have a weeping pussy willow that has a nice umbrella shape to it and is ...
A: Willows are invasive as far as septic tanks and lines go. They should not be planted within 20 feet ...
|
| Magnolia tree fungus? | 9/18/2009 |
Q: I have a 2 part question about a Magnolia tree in my yard. I live along the Gulf Coast of Florida. ...
A: These are lichens and are not a health problem to the tree. More likely, the plant is missing ...
|
| Swedish columer aspen tree | 9/18/2009 |
Q: They have been doing really well for the last 2 yrs until august when i noticed the one has ants on ...
A: Ants and wasps will be attracted to a substance called honeydew. There are insects that suck the ...
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| Weeping Willow with small red buds on trunk | 9/18/2009 |
Q: Good evening Jim. So in reading your post about what could potentially be the cause of the small ...
A: It could be scale insects. take your finger and see if the "bumps" can be squashed. Scale insects ...
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| willow tree | 9/18/2009 |
Q: I planted a weeping willow 4 days ago and i have watered it like i was told to and some of the ...
A: This is not unusual for newly planted trees. They can go through a shock from the planting and lose ...
|
| Liquid Amber tree | 9/17/2009 |
Q: The roots of our liquid amber tree have been getting higher and higher in our yard the past 12 yrs. ...
A: If the roots are starting to be exposed above the ground you can add sand over the roots as long as ...
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| conk on giant, old oak tree | 9/17/2009 |
Q: Jim, We live in the coastal area of South Carolina and have numerous, very old (200 year range), ...
A: The trimming back of the limb can cause the entire limb to die. IF any limbs are pruned I would take ...
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| Weeping Cherry Tree | 9/16/2009 |
Q: I bought a weeping cherry tree about a month ago. The nursery that I bought it from gave me ...
A: You can check to see if the tree is dead by starting near the top on an upper outer limb and scrape ...
|
| river birch vs drake elm | 9/16/2009 |
Q: I had 2 river birch trees about 6' from my house. They died last winter from a hard freeze. I just ...
A: The drake elm has a spread of about 20 feet at maturity which would mean the roots spread about ...
|
| Root Trauma | 9/16/2009 |
Q: I've had to have a Michelia Alba dug up. Due to walls and sidewalks, the roots were pretty severely ...
A: The roots should not be allowed to dry out. Plant the tree in a hole twice the size of the roots and ...
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| Black and Chestnut Oak Root Systems | 9/16/2009 |
Q: Jim, I understand that these two trees do not have a tap root system. To avoid damage to either, ...
A: It does not have a tap root and the roots spread about 1 1/2 time the distance of the branches. At ...
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| conk on giant, old oak tree | 9/16/2009 |
Q: Jim, We live in the coastal area of South Carolina and have numerous, very old (200 year range), ...
A: Was the limb that was removed hollow or mussy or was the wood attached to the trunk solid? If the ...
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| peach tree | 9/15/2009 |
Q: I have a peach tree in a pot. When is the best time to transplant? and does it need more or less ...
A: The best time would be early spring after the last frost. Peach tree do best in full sunlight. The ...
|
| Oak Tree galls | 9/15/2009 |
Q: One of the children at my preschool briefly chewed on a white gall from an oak leaf. I am concerned ...
A: No they are not poisonous or dangerous. They are formed by an insect that lays its eggs on the leaf ...
|
| Cutting a Pine Tree - Erosion (part II) | 9/15/2009 |
Q: Jim, I appreciate your comments in ...
A: The roots of cut trees do hold the soil after cutting. But the cutting process sometimes causes bare ...
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| maple tree mulch | 9/15/2009 |
Q: What kind of mulch should be used for a mature maple?
A: Any of the organic mulch is ok. I would use pine straw. Use not more than 3 inches deep and not ...
|
| Corkscrew Willow | 9/15/2009 |
Q: I have several limbs from a corkscrew willow that has been cut down. How can I root these so they ...
A: Willows can be rooted from a cut branch or twig but this would have to be done at the time of the ...
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| Cutting a Pine Tree - erosion | 9/15/2009 |
Q: Jim, In your answer to a past question ...
A: What I said was 'Cutting trees" could cause a problem with erosion on steep sites. The trees and ...
|
| Nut tree identification | 9/14/2009 |
Q: My grandaughter has a nut tree in her yard and we are trying to figure out what kind it is. The ...
A: This is a tree called the Buckeye, Aesculus species. The tree species Aesculus glabra is commonly ...
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| weeping pussy willow tree | 9/14/2009 |
Q: My mother has a weeping pussy willow tree that has a black substance on the leaves. The entire ...
A: If the dripping sap is sticky then this is a sign of an insect either aphids or scales--more than ...
|
| my sick raywood ash | 9/14/2009 |
Q: my names derek, i planted 2 raywoods in my front yard , an area with alot of hard pan . i planted in ...
A: The worst time to plant a tree is in the summer months due to the heat and lack of water. Adding a ...
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| Pin Oak Location? | 9/14/2009 |
Q: I live in a condominium in New Jersey that is comprised of 3 buildings. Each building is comprised ...
A: Pin oaks are not usually a problem tree for sidewalks or patios. They can have a spread of about ...
|
| douglas fir | 9/13/2009 |
Q: My neighbor doesn't want to cut dead limbs off his fir trees. The tree limbs in question hang over ...
A: Firs will naturally shed the dead limbs over time. The safe part depends on the size of the limbs ...
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| oak tree pruning | 9/13/2009 |
Q: Jim, I live in Westchester county, New York and have a 250 yr old oak tree and would like to know ...
A: For oak trees, the recommended pruning time is November through March. In the summer months, pruning ...
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| weeping willow | 9/13/2009 |
Q: My parents have a weeping willow in their garden situated near the river. It is approx 5yrs old. It ...
A: This is called slime flux caused by a bacteria. The bacteria builds up in the tree and the pressure ...
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| oak tree | 9/12/2009 |
Q: can the weight of many acorns cause large branches to break like they would in an ice storm or is ...
A: I think this is something that folks in Calif. are calling Sudden Limb Drop Syndrome. It is mostly ...
|
| little leaf linden disease | 9/12/2009 |
Q: All of the leaves on our little leaf linden are covered with a black mold of some sort. It drips ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
|
| blackjack trees | 9/12/2009 |
Q: The majority of our trees are blackjacks,we have three dead in our back yard,and this happened real ...
A: There is just not enough information to provide a reason for the trees dying. It could be anything ...
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| globe willow tree | 9/12/2009 |
Q: My tree has a white like puss coming out of the trunk and it is also getting holes in it. What can I ...
A: Sounds like a condition called Froth Flux. Frothy Flux is different from the Bacterial wetwood ...
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| Covering Surface Tree Roots | 9/12/2009 |
Q: I live outside Charleston, SC on land with 8 to 16 inches of real "dirt". Beneath the dirt is ...
A: " Damaging the roots" referred to the added soil. When you add soil over roots it tends to compact ...
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| pest defoliating willow oak tree | 9/11/2009 |
Q: What kind of worm would defoliate a willow oak tree and how do you get rid of it?
A: There are several insects that will defoliate a willow oak tree. Most are caterpillar type. They all ...
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| pruning bradford pear trees | 9/11/2009 |
Q: i am tired of getting my head knocked off when i cut grass. when can i remove the lower branches and ...
A: You can prune Bradford pear at almost any time except early spring before they flower. Cut the lower ...
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| Is my huge old red oak dying? | 9/11/2009 |
Q: Shortly after we bought our home in the Lakewood area of Dallas the city came along and hacked the ...
A: Yes I am sorry it does look like it is dying. More than likely a fungi entered the pruned limbs when ...
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| Brown Pine Trees | 9/11/2009 |
Q: I had noticed the other day that my neighbors pine tree had completely turned brown so I was worried ...
A: It could be several things from bark beetles to a root disease. Without looking at the trees it ...
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| dogwood tree | 9/11/2009 |
Q: I have a dogwood tree that I would like to relocate, what is the best time of the year to do this? ...
A: Deciduous may be planted either in the spring or the fall. Deciduous plants may be moved in the ...
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| Raywood Ash Dropping a Tacky White Powdery Substance | 9/10/2009 |
Q: Hope you had a nice vacation! We live in Vacaville, CA about 30 miles west of Sacramento. Our ...
A: Yes sort of--it contains a fertilzier and is usually more expensive than the Bayer Advanced Trre and ...
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| Covering Surface Tree Roots | 9/10/2009 |
Q: I live outside Charleston, SC on land with 8 to 16 inches of real "dirt". Beneath the dirt is ...
A: You can safely cover tree roots as long a sit is not more than about 2 inches of fill. More than ...
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| Silver Maple insects | 9/10/2009 |
Q: My silver maple tree is loaded (tens of thousands) with tiny insects that resemble a knat with wings ...
A: Sounds like bark lice. A picture would help. Bark Lice are more properly called Psocids (pronounced ...
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| peach tree | 9/10/2009 |
Q: i wonder if you can help me. I have a peach tree which is now approx ten foot tall which i planted ...
A: Two feet from a building is too close to plant a tree. The roots of a peach trees will not be a ...
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| ash tree | 9/10/2009 |
Q: Mr. Hyland: Greetings. Hope you enjoyed your holidays. I have a ASH tree in the front yard. It is ...
A: I would not think it will be a problem. the roots will spread about 1 1/2 time the width of the ...
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| tiny spiders on ponderosa pine | 9/9/2009 |
Q: We live in the foothills west of Denver, CO. Our deck is built around a large, old ponderosa pine. ...
A: Lets start anew--spiders have 8 legs and insects have 6 legs as adults. IF you have a magnifying ...
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| willow trees | 9/9/2009 |
Q: i have 2 rows of willow trees at the lake lot about 25ft h 80ft long i seem to have a lot of white ...
A: The only other thing it could be is a wooly aphid. these insects will suck the plant juices from a ...
|
| Crimson Maple | 9/9/2009 |
Q: This spring I planted a crimson maple and everything seemed to go well, new shoots, bright maroon ...
A: It sounds like a normal reaction to the dry weather and the frost. Maple leaves will turn from ...
|
| Scyamore Trees | 9/9/2009 |
Q: At a marina on a creek off the Ohio River near Ripley, OH, boats that are moored near a large ...
A: If the spots are sticky these are honeydew caused by scales or aphids on the tree. These insects ...
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| rotting stump | 9/9/2009 |
Q: planning on letting ground sink till next spring and add dirt and plant grass seed my concern is are ...
A: These are not a problem. They are the fruiting bodies of a decay fungi that is infecting the roots ...
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| Eastern Red Cedar Tree | 9/9/2009 |
Q: Should you mulch an Eastern Red Cedar Tree that was planted in May of this year? I have read in the ...
A: Yes I would. Mulching is one of the most beneficial things a home owner can do for the health of a ...
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| Raywood Ash | 9/9/2009 |
Q: Also very small greenish bugs. They don't seem to be white flie. Nothing will grow under it except a ...
A: These are an insect called an aphid. They suck the plant juices from the tree and secrete a ...
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| willow trees | 9/8/2009 |
Q: i have 2 rows of willow trees at the lake lot about 25ft h 80ft long i seem to have a lot of white ...
A: Sounds like the fruit from the willows. The fruit is a small capsule containing numerous tiny (0.1 ...
|
| lawn care | 9/8/2009 |
Q: how do i keep weeds out of my grass without hurting my roses and trees.
A: Most liquid herbicides will not harm the tree or the roses assuming that the spray is not applied to ...
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| how far apart to plant trees | 9/8/2009 |
Q: There is 25 feet along my yard ,I want to plant Arapaho Crape Myrtle,how far apart do i plant them? ...
A: Crape Myrtle has a width at maturity of about 10-20 feet. I would plant them about 10 feet apart. ...
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| Bore worms | 9/8/2009 |
Q: I live in Southern California and I have a 30 year old Japanese or Chinese elm tree that has bore ...
A: Spray the trunk as high up as you can reach with an insecticide called Onyx. This will kill the ...
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| tiny spiders on ponderosa pine | 9/8/2009 |
Q: We live in the foothills west of Denver, CO. Our deck is built around a large, old ponderosa pine. ...
A: Sounds like spider mites. The Astro would have killed the predators of the spiders and allowed them ...
|
| Decease on my Magnolia tree | 9/8/2009 |
Q: My 3' new Susan magnolia tree has some decease with the leaves having big red spots and slowly ...
A: Sounds like a leaf spot fungi. Leaf Spot - Leaf spot diseases caused by various fungi attack ...
|
| Raywood Ash Dropping a Tacky White Powdery Substance | 9/8/2009 |
Q: Hope you had a nice vacation! We live in Vacaville, CA about 30 miles west of Sacramento. Our ...
A: Since the substance is sticky it does sound like aphids or scales. There are some that are cottony ...
|
| Whit Oak spacing | 9/8/2009 |
Q: we are getting the opportunity to transplant about 10 white oak trees approximately 20' in height we ...
A: When mature the white oak has a spread of about 50 feet so I would plant about 25 feet apart. ...
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| accorns | 9/8/2009 |
Q: I have a very big problem with acorns my yard and patio are covered with them the tree is very large ...
A: I do not know of a injection system that will stop acorn production. Maybe possible but not ...
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| navajo globe willow | 8/26/2009 |
Q: My tree has white like pus and has a weird smell, it is about two years old. Please help.
A: Frothy Flux is different from the Bacterial wetwood (slime flux) seen afflicting many other hardwood ...
|
| brown leaves on red sunset maples | 8/26/2009 |
Q: At a commercial site i planted last October 08, today i noticed the leaves on some of the maples in ...
A: My first guess would be in heavy clay soils when a hole is dug sometimes the sides of the hole a ...
|
| tree branching from root | 8/26/2009 |
Q: I have a couple of young trees (5-6 yrs old) that have branches coming up from the base of the ...
A: Why a tree sprouts and another does not is not really under stood. More than likely it is how the ...
|
| weather causing pruning question | 8/26/2009 |
Q: These last few weeks in August seemed to have triggered flower buds all over our dogwood. The tree ...
A: I would wait until after the leaves have fallen to prune the tree. You can cut the limb back to a ...
|
| Thuja green giants | 8/26/2009 |
Q: I live in New Hampshire and just ordered eight Thuja trees. It is now the end of August, is it safe ...
A: Evergreen trees and shrubs may be planted either in the spring or the fall. Evergreens should be ...
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| trees | 8/26/2009 |
Q: i have noticed black tiny winged insects on trunk of my hybrid willows. when rubbed them theyfall in ...
A: Sounds like an aphid most likley the Giant willow aphid. The Giant Willow Aphid is one of many ...
|
| fertilizing cypress trees | 8/26/2009 |
Q: My husband put spike fertilizer in our cypress trees during August in Las Vegas. He said they got ...
A: First check to see if the tree is alive--start near the end of an upper branch and scrape a small ...
|
| chinese dogwood | 8/26/2009 |
Q: I have 2 chinese dogwood trees about 7' tall that I believe were planted here 2 - 3 years ago. One ...
A: Looks like fertilizer burn. The sticks concentrate the fertilizer and if a roots contacts the stick ...
|
| tree | 8/25/2009 |
Q: I live in central WI. I have a balsam poplar with small white rice-like "stuff" on the trunk. It ...
A: It looks like bark lice Archipsocus nomas, the webbing bark louse. Bark lice are small, brown ...
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| Rotting Bark on trunk | 8/25/2009 |
Q: My maple tree is approximately 13 years old and has done well until this year. At first we noticed a ...
A: You do not need to to anything except cut any loose bark from the wound. With time the wound will ...
|
| walnut tree and potential trigger for nut allergies | 8/25/2009 |
Q: I am a school nurse-walnut trees on play area (mulch). Believe them to be black walnut trees...have ...
A: I would lean toward this being a problem with a severe allergy. Here is a reference I found on ...
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| Mature Alder Trees/Fungus | 8/25/2009 |
Q: I reside in a private community in Long Beach, CA which has an urban forest which includes more than ...
A: Here is a reference for Calif. Dr. Deborah Mathews, UC Riverside, Riverside, CA A new canker ...
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| Hybrid Poplar | 8/25/2009 |
Q: I have a maple tree that was planted about 8 feet from our house. I am wondering if this tree's root ...
A: Maples size will vary depending on the variety of maple. Japanese maples vary from 6 feet tall to 25 ...
|
| spruce tree leader | 8/25/2009 |
Q: I live in NH, and have a 20+ year old spruce that has been growing well, except that I just noticed ...
A: Something has killed the leader of the tree--the most common would be a beetle boring into the stem. ...
|
| Rotting Bark on trunk | 8/25/2009 |
Q: My maple tree is approximately 13 years old and has done well until this year. At first we noticed a ...
A: Sounds like an insect called a borer. These will enter the trunk and cause a swelling and cause the ...
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| Mature Alder Trees/Fungus | 8/24/2009 |
Q: I reside in a private community in Long Beach, CA which has an urban forest which includes more than ...
A: Yes there seems to be a problem with alder in the Western US--it is classified as a decline. due ...
|
| Crab apple declining | 8/24/2009 |
Q: My crabapple (I don't know what variety it is) is declining really quickly now...it has been ...
A: Unfortunately some crabapple and apple trees are susceptible to a fungal disease called apple scab. ...
|
| Bag Worms of tall tree treatment | 8/24/2009 |
Q: I live in Peachtree City GA a suburb of Atlanta. I have a very tall Ash tree with bag worm bags ...
A: First lets get some terminology out of the way--there is an inset called a bagworm that lives in a ...
|
| Colorado Blue Spruce | 8/18/2009 |
Q: I hope you can answer a question, I have a 22 year old blue spruce and I noticed the ends are ...
A: Sounds like a tip moth. These insect bores into the tip and the tip will curl and die. Check and see ...
|
| river birch leafs turning yellow | 8/18/2009 |
Q: for the last 2 years in august all my river birch tree's leaves start turning yellow and falling off ...
A: River birch needs more water than most trees. The name implies it grow naturally along rivers. ...
|
| aphids on birch | 8/18/2009 |
Q: We have 4 old birch trees in our SF Bay area landscaping (3 in a group/1 large alone) and as always ...
A: There are a couple of insecticides that will work well. (Malathion is not one of them). It will take ...
|
| Small Share Tree | 8/18/2009 |
Q: About 5 years ago I planted a maple tree in my front yard. I have pruned it once about 2 years ago. ...
A: Here is web link to the SC Forestry Commissions tree selection guide. I would maybe pick ...
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| Linden Tree maladies | 8/18/2009 |
Q: I am a president of a condo association and one of my unit owners had concerns about a such a tree ...
A: It sounds like an insect called a scale. These insects live under a shell like structure and suck ...
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| Dying trees | 8/18/2009 |
Q: Again, we live in northeast Ohio. We so appreciated your answer to our last question that we have ...
A: There are several diseases that will infect ash. each have their own signs. Here is a web link to ...
|
| red buds | 8/18/2009 |
Q: I recently got redbud trees dugout at a nursery. I realize summer digging is risky. # redbuds were ...
A: The lack of water and the heat are the limiting factors for not planting in the summer months. ...
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| Tree Fungus | 8/18/2009 |
Q: I recently had a tree man come to my home to give me a quote on removing a Bay Tree that had fallen ...
A: Let me tell you up front I am Not a fan of "tree removal men" who are not foresters telling ...
|
| pecan trees | 8/17/2009 |
Q: The new crop of pecans has started to fall (august) and some of the leaves have been stripped of ...
A: Care of Bearing Trees Fertilizing — Fertilization is one of the most important practices for bearing ...
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| Willow | 8/17/2009 |
Q: Don't know what type of willow neighbor planted, but they did plant it a foot away from the property ...
A: The diameter will depend on the kind of willow but generally they can reach a diameter of about ...
|
| flowering crab apple tree | 8/17/2009 |
Q: Is there any way to make my 12 foot crab apple tree stop having apples ? Live in Utica, Michigan, ...
A: Florel Fruit Eliminator will reduce or eliminate undesirable fruit on many trees. Look at: Florel® ...
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| Cherry Tree | 8/17/2009 |
Q: I too purchased a Snow Fountain Weeping Cherry from Lowe's. I live in a zone 5 in NW Pennsylvania. ...
A: Too much water is as bad as too little. Sounds like the yard does not drain well and the roots are ...
|
| Split oak tree | 8/17/2009 |
Q: An oak tree in our backyard recently split (almost in half). It did not split all the way down the ...
A: Sounds like the tree with a forked tree (one having two main trunks) and one split off from the ...
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| pussywillow/bees, wasps,hornets and black | 8/16/2009 |
Q: G'morning, I have a pussy willow that I have trimmed up into a tree shape, approx 15 feet tall with ...
A: Here is a list of insecticides that will work on aphids but will take several applications to ...
|
| Cherry blossom tree | 8/16/2009 |
Q: The leaves on my cherry blossom tree just died within a matter of weeks. The did not fall off of ...
A: Sounds like a blight disease. If you take you finger nail or a small knife and scrape a small bit of ...
|
| Global Willow Tree | 8/16/2009 |
Q: My son has a Global Willow Tree that has some of the bark loosing on the trunk of the tree. It ...
A: Do not think from your description that there is a problem. Willows as they grow older will have ...
|
| Italian Cypress Trees | 8/16/2009 |
Q: We live in southwest Idaho - in the Boise or Treasure Valley. I love the look of the Italian ...
A: The cold will be the limiting factor. This tree will live in a range of soils. The Hardiness growing ...
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| Small Share Tree | 8/16/2009 |
Q: About 5 years ago I planted a maple tree in my front yard. I have pruned it once about 2 years ago. ...
A: I would call the SC Forestry Commission and ask them to come by and take a look. With out seeing the ...
|
| Maple leaf spots | 8/16/2009 |
Q: Have avery healthy tree, about 9 years old. This year I see dark spots verying in different sizes. ...
A: The picture was not attached. These are leaf spot caused by a fungus. I am going to guess it is ...
|
| bagworms in blue spruce | 8/16/2009 |
Q: I just learned that I have bagworms in 2 blue spruce trees on my property in Eastern Pennsylvania ...
A: The common bagworm, Thyridopteryx ephemeraeformis (Haworth), is an interesting caterpillar. The most ...
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| blue spruce | 8/16/2009 |
Q: I have an orange powder in 5 or 6 small lumps per needle on the whole tree. The tree is turning ...
A: Sounds like a rust fungi. Two rust fungi that infect the current year's needles, Chrysomyxa ledi and ...
|
| Aspen Spreading | 8/16/2009 |
Q: Aspen are spreading all over the front lawn at 5400ft. Is there a way to stop them from coming up ...
A: Unfortunately, controlling root sprouts will be an ongoing, but ultimately futile task. Grubbing ...
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| pussywillow/bees, wasps,hornets and black"stuff" | 8/15/2009 |
Q: G'morning, I have a pussy willow that I have trimmed up into a tree shape, approx 15 feet tall with ...
A: Aphids suck the plant juices form the plant and secrete a substance called Honeydew which is high in ...
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| Pecan Trees | 8/15/2009 |
Q: We bought a house last year in southeastern Georgia that had 3 pecan trees. The nuts fall ...
A: There are numerous causes of premature pecan drop. Some varieties such as 'Desirable' shed ...
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| apple tree roots | 8/14/2009 |
Q: My father has a couple apple trees and one pear tree and he is afraid the roots might damage his ...
A: These are generally larger trees with massive crowns and the root system is wide and the roots them ...
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| apple tree roots | 8/14/2009 |
Q: My father has a couple apple trees and one pear tree and he is afraid the roots might damage his ...
A: Not if it is a cement pool. Vynal lined pools if there is a leak could be damaged. Tree roots extend ...
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| Sprouts form chinese Elm | 8/14/2009 |
Q: I have had a chinese elm removed form my front yard, and the stump was ground, but tere are still ...
A: Treat the sprouts with a herbicide called Roundup. This can be either sprayed on the foliage of the ...
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| elm trees | 8/14/2009 |
Q: How can I get the black sooty mold off of the deck next to my elm tree? Power washing doesn't seem ...
A: First you will need to control the sucking insects that are causing the sooty mold. The fall ...
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| tired of spiders | 8/14/2009 |
Q: I would like to know if there is any type of tree that won't attract insects, specially spiders. ...
A: The trees in the yard are not a problem unless the limbs are touching the house--then this may give ...
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| Dying trees | 8/14/2009 |
Q: Again, we live in northeast Ohio. We so appreciated your answer to our last question that we have ...
A: There is really not enough information to be able to determine what killed the oak-sorry. But if it ...
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| Paulownia Tree | 8/14/2009 |
Q: I recently planted a paulownia tree which was only 6" high. It is now 4' high. I need to move it to ...
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
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| maple tree root damage to foundations | 8/13/2009 |
Q: Will the root system of a red maple damage a slab foundation planted 7 feet from a house located ...
A: Not going to be a problem. Red maples have been used as foundation plantings for some time and have ...
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| does chemical Triflurilin have any side effects on humans /pets | 8/13/2009 |
Q: I am considering the Biobarrier root system fabric installed inground in my yard.......is this ...
A: One of the most visible and unique inhibitor barriers is the controlled release herbicide fabric. ...
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| Which Red Maple??? | 8/13/2009 |
Q: I live in Des Moines, IA (zone 5) and am looking to plant a red maple this fall in my yard. The ...
A: Here is a list of the seedless maples all have green foliage until the fall and then the color will ...
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| Southern Live Oaks | 8/13/2009 |
Q: Southern Live Oak as opposed to a Laurel or Water Oak? How can I tell which one is growing in my ...
A: Here are the web links to the three trees with great pictures and descriptions. There are distinct ...
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| Willow | 8/13/2009 |
Q: Don't know what type of willow neighbor planted, but they did plant it a foot away from the property ...
A: Weeping willow can get about 30-40 feet tall at maturity and about 20-30 feet spread if growing in ...
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| Red Oak Tree | 8/13/2009 |
Q: I planted a Red Oak Tree in my front yard 4 years ago. Every year up until this year the tree was ...
A: Sounds like a root problem--could be compaction of the soil, grade change )added fill dirt), use of ...
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| japanese maple tree and spiderwebs | 8/12/2009 |
Q: This spring my tree did not bloom entirely. Only one half of the tree had leaves. The other side is ...
A: Sounds like spider mites. Spider mites have tiny mouthparts modified for piercing individual plant ...
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| Oak Tree problem | 8/12/2009 |
Q: I have an oak tree that died and was recently taken down. The tree's inner wood appeared to be ...
A: I really do not think it is oak wilt. So I would fertilize and this should do the trick. Durban is ...
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| cherry tree | 8/12/2009 |
Q: I have a flowering cherry tree(12 years old), there are roots growing in a circular direction around ...
A: Sorry it took so long to get back--had computer problems. Looking at the picture I would not be ...
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| RED OAK TREE SEEMS TO BE DYING | 8/12/2009 |
Q: June 24 our landscaper planted a 15' red oak tree. We are in the Dallas, Ft. Worth, Texas Area. We ...
A: I answered this question on 08/12/09 Here was my answer This is the worst time to plant trees due ...
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| Shade | 8/12/2009 |
Q: I need to know which are good shade trees other than Maple, Oak, and Poplar Trees.
A: It all depend on where you live and the size of the yard and the effect you are looking for-color. ...
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| Application of Merit 75WP | 8/12/2009 |
Q: Jim - On Aug. 10, you suggested I use Merit for the weeping cherry problem (peeling bark and sap ...
A: I would not apply as an injection since the wound is already there and the tree will absorb the ...
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| Yoshino Cherry Tree | 8/12/2009 |
Q: We have a Yoshino Cherry Tree planted next to a house with a full basement. It grew quickly to 20 ...
A: This tree is entirely too large to have 5 feet from the house. It has a spread width of 25-49 feet ...
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| webbing on younger oak trees | 8/12/2009 |
Q: We live in the deep South. Oaks grow well and wild here. We have 6-8 mostly pin oaks that are 30 ...
A: Sounds like bark lice. Bark Lice are more properly called Psocids (pronounced "SOSS-sids"). They ...
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| linden trees | 8/11/2009 |
Q: I have a linden tree 7 or 8 yrs ago and it has a insect that forms needle like protrusions about 5mm ...
A: Sounds like maybe a couple of things. The leaf 'projections" are called leaf galls. They are caused ...
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| Crimson King Maple | 8/11/2009 |
Q: I live in northeast Ohio. I rescued a very small Crimson King maple sapling that was growing next to ...
A: If it was a crimson when you first moved it it still is. I think the tree is reacting to the many ...
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| RED OAK TREE | 8/11/2009 |
Q: June 24th our landscaper planted a 15 ft red oak tree. We are in the Dallas, Ft Worth area. We ...
A: This is the worst time to plant trees due to the heat and the usually drier weather. You will ...
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| cherry tree | 8/11/2009 |
Q: I have a flowering cherry tree(12 years old), there are roots growing in a circular direction around ...
A: A tree is girdled when something is tightly wrapped around the trunk or stem. A stem girdling root ...
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| Chinese Dogwood | 8/11/2009 |
Q: I have a young Chinese Dogwood tree (about 12" High). How do I plant it? I have a spot in the back ...
A: The Chinese dogwood is easier to grow than our native dogwood, but it still does best when given a ...
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| Tulip popular lean | 8/11/2009 |
Q: I have a native tulip popular tree on my property which is approximately 12 inches in diameter and ...
A: 10 % lean is not a real danger. Trees do not necessarily grow straight up. However, trees with a ...
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| red bud tree roots | 8/11/2009 |
Q: My "red bud" tree died last summer. It was about 9 inches in diameter at the truck base. I cut the ...
A: The roots system will spread about 1 1/2 time the width of the branches. As you go further from the ...
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| Ceratomia catalpae | 8/11/2009 |
Q: How do I get rid of them? I have 4 very large Catalpa trees and the Ceratomia catalpae has killed 1 ...
A: First I would not think the caterpillar will kill the tree. It will eat all the leaves and make the ...
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| Catalpa trees: do they cause foundation damage? | 8/11/2009 |
Q: There are 6 gorgeous catalpa trees on my property, including 2 huge old ones. One of the huge ones ...
A: I would remove the tree. Sorry. The trunk will continue to push against the house and over time will ...
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| Post Oak Leaf Growth | 8/10/2009 |
Q: I have a very mature Post Oak. Some damage was done to it during construction of our home and it has ...
A: Looks like a gall insect called oak apple gall. This is one of many leaf galls that affect oaks. ...
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| spruce tree | 8/10/2009 |
Q: I live next to 2 spruce trees that had a Boxelder in front of them and as the boxelder grew the more ...
A: This is natural sheding of the limbs. If lower limbs are shaded from a competing tree the tree will ...
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| Oak Tree problem | 8/10/2009 |
Q: I have an oak tree that died and was recently taken down. The tree's inner wood appeared to be ...
A: Sounds like a decay type fungi --these infect the woody cells and do not cause the death of the ...
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| globe willow | 8/10/2009 |
Q: the bark of my globe willow has what looks like mushroom shelves growing on it. What would be the ...
A: This could be a lichen or a mushroom. The mushroom is the fruiting body of a decay fungi that over ...
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| Weeping Willow Trees/City Sewage Lines | 8/10/2009 |
Q: This summer we had re-landscaped our yard after the city came in installing city sewage lines ...
A: No you should not have any problem with the sewer lines and the roots. Sewer lines are sealed and ...
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| Crape Myrtle trees | 8/9/2009 |
Q: If I remove the spent blooms from my white crape myrtle tree,will I get new blooms for the remainder ...
A: If you cut off the newly forming seedheads then the plant will often bloom again. You just need to ...
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| Sap oozing and bark peeling on a weeping cherry | 8/9/2009 |
Q: About a month ago, I noticed a spot where sap was oozing about a foot above the ground on a weeping ...
A: I agree it does look like borer damage. I would cut the loose bark off the wound and re spray but I ...
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| Water Oak disease? | 8/9/2009 |
Q: My water oak tree has these (see picture) growing all over it. Also the leave are starting to turn ...
A: Hard to tell from the dark picture but it looks like a insect gall. There are a variety of ...
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| Black spots on silver maple leaves | 8/9/2009 |
Q: I planted a sapling silver maple in the spring of 2008. The tree has grown well, with no problems. ...
A: Several different fungi in the genus Rhytisma infect the leaves of maples and cause raised, black ...
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| gall mites | 8/9/2009 |
Q: We have a large more than 20yrs old oak tree. This year we noticed gall mites on the leaves. ...
A: These insect suck the plant juices and secrete a sugary substance called honeydew. Treat the tree ...
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| Catalpa trees: do they cause foundation damage? | 8/9/2009 |
Q: There are 6 gorgeous catalpa trees on my property, including 2 huge old ones. One of the huge ones ...
A: I assume that by hitting the gutter you mean the limbs not the trunk. The roots of tree will ...
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| infested maple tree | 8/8/2009 |
Q: i have a giant very old (50+ yrs) maple tree being infested by something. A large part, about 4 X 6 ...
A: Sounds like an insect called a borer. they will bore into the trunk and the wound will form and the ...
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| Weeping Cherry Tree Leaves Yellow | 8/8/2009 |
Q: I purchase a weeping cherry this past spring and planted it, all has been great. However, in the ...
A: A tree needs about 1 inch of water per week. Most sprinkler systems for lawns produce a lot less ...
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| Tree transplanting | 8/8/2009 |
Q: I live in Eastern CO and have very sandy soil. A former owner planted what appear to be some type ...
A: The sprout are from the roots of the parent tree and do not have a root system of their own. These ...
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| Autumn Maple | 8/8/2009 |
Q: leaves have brown spots and seem to be withering....the trunk bark is splitting....and ...
A: A vertical split that occured over the winter is probably frost cracking or sunscald. Young maples ...
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| Tree for very wet site | 8/7/2009 |
Q: I live in western Colorado (zone 5). The landscape is sloped to where my front yard gets alot of ...
A: River birch should work or a weeping willow will also work. Willows need more water than most trees ...
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| root system on oak tree | 8/7/2009 |
Q: We have just put in a swimming pool and it is close to an oak tree that is about 3 to 4 feet in ...
A: The roots of trees will spread about 1 1/2 times the width of the branches. Roots will seek water ...
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| Weeping Pussy Willow looks like it's being eaten | 8/7/2009 |
Q: We have a 6 ft weeping pussy willow that has always been bountiful and healthy, all the sudden it is ...
A: I would spray the foliage with an insecticide called Orthene this will kill any insect that is ...
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| Red Oak Fungus | 8/7/2009 |
Q: I have a Red Oak tree in the Atlanta area which has a fungus showing at the base of the trunk. There ...
A: These are the fruiting bodies of a decay fungi. The fungi enters a wound in the trunk and will ...
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| ShadeTrees | 8/7/2009 |
Q: We live in the Rio Grande Valley and want to plant a live oak. Is there a type of live oak that ...
A: I would suggest that you visit the local tree nursery and tell them your situation as to the site ...
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| Sprouts | 8/6/2009 |
Q: How can I get rid of all the sprouts from my live oak? They are killing my lawn...... Thanks
A: Most people simply mow them regularly to keep them under control. Herbicides that will kill the root ...
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| blue spruce covered in ants | 8/6/2009 |
Q: This is a photo of my neighbour's blue spruce. It seems to be covered in ants. I know ants go after ...
A: Check to see if the foliage and maybe the twigs are sticky--this would be a sign of the honeydew. ...
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| orange dust on blue spruce | 8/6/2009 |
Q: I live in a small Northern Ontario community & just about every blue spruce in town looks like this ...
A: Sounds like a rust fungi. Two rust fungi that infect the current year's needles, Chrysomyxa ledi and ...
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| bald cypress roots/bathroom pipes | 8/6/2009 |
Q: my husband does not believe me (and the articles i've read to him) that the 3 cypress trees he ...
A: The foundation problem with roots are to slab type foundations. Root can and will get into sewer ...
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| Pin Oak Has Black trunk | 8/6/2009 |
Q: I live in northeast Tennessee. I recently planted a pin oak in the spring. It is around 20 feet ...
A: try fertilizing it with 10-10-10 fertilizer at the rate of 1 lb per inch of trunk diameter scattered ...
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| weeping pussy willow | 8/6/2009 |
Q: I have a weeping pussy willow and there is an extremely small yellow bug that has been covering the ...
A: sounds like spider mites. Mites are not insects but are more closely related to spiders. They are ...
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| Effects of Pruning Leyland Cypress Trees | 8/6/2009 |
Q: I have 20 Leyland Cypress Trees we planted 9 years ago to provide privacy from a house that looks ...
A: No the Leyland cypress will not sprout new limbs when the limb is pruned to the trunk. The pruning ...
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| Live Oak Trees | 8/5/2009 |
Q: We live in the Rio Grande Valley and want to plant a live oak. Is there a type of live oak that ...
A: No I know of no oak tree that does not produce acorns. The acorns are the reproductive part of the ...
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| Magnolia Tree Health | 8/5/2009 |
Q: There are lots of trees in my Little Rock, Arkansas neighborhood, but my Magnolia tree has been one ...
A: Since it says is is a general Maximum N I would guess it is 13-13-13. But essentually the same ...
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| Hole in Oak Tree | 8/5/2009 |
Q: Ok...I understand the comment regarding leaving cavities in oak trees alone. However, I have five ...
A: They will not really harm the overall health of the tree. They may excavate more of the hollow for ...
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| Cleveland Pear | 8/5/2009 |
Q: We had a 5 year old Cleveland Pear in our landscape. It got hit by a storm that came through. I want ...
A: Planting in the exact same spot will be difficult due to the stump wood. You can try digging the ...
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| Tree-dead, infected, or confused | 8/5/2009 |
Q: I live in the Chicago area and we have had a cooler summer than usual. i am not sure what kind of ...
A: Well I have looked and looked at the leaves and the other pictures and the leaves look like dogwood ...
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| Weeping Cherry Tree | 8/5/2009 |
Q: We have three flowering weeping cherry trees that are about 3 or 4 years old. One has leaves that ...
A: Probably needs water about 1 inch ---place a pan under the tree and turn the sprinkler on and when ...
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| Magnolia Tree Health | 8/4/2009 |
Q: There are lots of trees in my Little Rock, Arkansas neighborhood, but my Magnolia tree has been one ...
A: I would fertilize the tree with 10-10-10 fertilizer at the rate of 1 lb per inch of trunk Diameter ...
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| purple plum tree | 8/4/2009 |
Q: I recently lost a purple plum tree in a storm and was wondering how much it was worth for insurance ...
A: About all you can claim is the replacement value. Example: 8-10 feet tall (Fall Shipment) $179.95 ...
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| Pin Oak Has Black trunk | 8/4/2009 |
Q: I live in northeast Tennessee. I recently planted a pin oak in the spring. It is around 20 feet ...
A: This is called slime flux or wetwood. The foul-smelling and unsightly seepage of sap from the trunk ...
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| Cottonwood tree | 8/4/2009 |
Q: We have lived in Eugene, OR for four years. Our cottonwood tree has rust spots this year that ...
A: Sounds like cottonwood leaf rust. Yellow or orange pustules, containing spores, form on the ...
|
| pruning a crimson maple | 8/4/2009 |
Q: We live in Western Pennsylvania and have a crimson maple approximately 12-15 years old that is now ...
A: While deciduous trees can be pruned anytime during the year, the best time to prune is late winter ...
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| WILLOW OAK BLACK BARK | 8/4/2009 |
Q: MY WILLOW OAK TREE BARK HAS TURNED BLACK. IT DOESN'T SEEM TO GROWING AS WELL AS LAST YEAR . IT IS ...
A: I would fertilize it with 10-10-10 fertilizer at the rate of 1 lb per inch of trunk diameter ...
|
| crepe mertle | 8/4/2009 |
Q: I have several new shoots of crepe mertle comming up do to seed. I'd like to move them to my back ...
A: Woody plants are preferably moved in the spring after the ground thaws and before the buds on the ...
|
| cottonless cottonwood tree | 8/4/2009 |
Q: I have a cottonless cotonwood tree 90 feet tall in my backyard. The base of the tree is surrounded ...
A: I would say that they are getting too little water--the ivy is getting more than the tree. The time ...
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| water oak problems | 8/3/2009 |
Q: My mother lives in central La...(Natchitoches) She has a large water oak very close to her house ...
A: TGR are used to reduce the growth of a tree and reduce the need for pruning. Selected trees may be ...
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| tree identification | 8/3/2009 |
Q: I live in Kansas City, Missouri and in our neighborhood there are several trees that have leaves ...
A: The city of Kansas City has an Urban Forestry department with Foresters on staff. It is located in ...
|
| aspen trees and alkalinity | 8/3/2009 |
Q: We live in Alb,NM at the base of the Sandia Mtns. (6,200 ft elevation) Our aspen trees are turning ...
A: Soils usually have adequate amounts of mineral iron. However, as soil pH rises above 7.0, iron ...
|
| water oak problems | 8/3/2009 |
Q: My mother lives in central La...(Natchitoches) She has a large water oak very close to her house ...
A: Wetwood and slime flux are poorly understood tree disease problems. Wetwood is an internal bacterial ...
|
| Globe Willow pruning | 8/2/2009 |
Q: I have had my Navajo globe willow for about 2 years, maybe 3, growing great my husband wants to ...
A: You can prune the lower branches off to about 1/4 inch from the main trunk. A weeping willow tree ...
|
| pecan trees desease we need help | 8/2/2009 |
Q: I recently purchased a property with about 25 huge pecan trees, we bought in the winter so was not ...
A: Sounds like the trees were not taken care of and need fertilizing and other treatments. I would ...
|
| Birch tree worm infestation | 8/2/2009 |
Q: I live in Virginia Beach, VA, and over the last couple of days I noticed leaves being stripped from ...
A: The smaller ones are the Dusky Birch Sawfly,Croesus latitarsus. Larvae are yellow-green with black ...
|
| dying sour cherry tree | 8/2/2009 |
Q: I have a sour cherry tree thats about 10 years old, i did not get any cherries this year, and the ...
A: Since you did not say what was sprayed I really can not comment on IF it cased a problem. But since ...
|
| Pine Trees | 8/2/2009 |
Q: I live in Ocala, FL and recently noticed a pine tree ( i believe it is a scrub pine)that lost 80% of ...
A: Attach the pictures to the question and I will see if I can ID the insects. Yes the pine was dead. ...
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| transplanting tree's | 8/1/2009 |
Q: My friend planted an ASH tree in her backyard nearly 2 years ago. She says it was a 15 gallon when ...
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
|
| Crepe Mirtle Not Blooming | 8/1/2009 |
Q: We transplanted our Crepe Myrtle tree a year and a half ago. Last year it bloomed a little. This ...
A: Too things that slow crept myrtle from blooming--not enough sunlight and the need for fertilizer, ...
|
| summer branch drop | 7/30/2009 |
Q: How often do you recommend to remove or shorten and lighten long horizontal branches and thin the ...
A: Tree limbs that drop in summer without any apparent cause is not uncommon.We call it Summer limb ...
|
| worms on river birch | 7/30/2009 |
Q: how do i get rid of worms on a river birch
A: This sounds like birch sawfly. They feed in groups and can defoliate a tree. For small trees you can ...
|
| sugar maple | 7/29/2009 |
Q: I bought and planted a sugar maple in sept. 2007 in southern NH. It was about 8 feet tall and is ...
A: Sounds like what you have done is pruned back the roots when you dug down the 4 inches. There is a ...
|
| Oak tree not sprouting leaves | 7/29/2009 |
Q: I purchased 25 oak trees last April 2009. Most of them have taken to the soil. I used a root ...
A: The tree that have no green under the bark are dead. Sorry Trees do go into shock when planted ...
|
| riverbirch trees | 7/29/2009 |
Q: Will river birch trees grow in the water in the edge of a pond. I bought several trees about 15' ...
A: No they will grow near the waters edge but not in the water. The roots will not get enough oxygen ...
|
| pine trees | 7/29/2009 |
Q: We recently planted 25 small pine trees along our sons driveway. They were approximately about 6" ...
A: Pines do not put on new needles after they have completely lost there needles. So if all the needles ...
|
| tree roots | 7/29/2009 |
Q: I live in western Pa. I had 2 80 foot lombardy poplar trees cut down. Since then, there are new ...
A: The root system is still alive and sprouting new growth. The roots that are on top of the ground can ...
|
| Coral Japanese Maple, dead limb | 7/28/2009 |
Q: We have a dead limb on our Coral Japanese maple. There is a black section right below where the ...
A: Not real sure from your description but it seems to be a canker type disease. Just prune the dead ...
|
| Red maple tree bark decay | 7/28/2009 |
Q: My red maple tree was planted 2 years ago in a zone very close to a Hwy. Now, it has bark decay ...
A: Looks like borer damage. I would spray the areas with an insecticide called Merit. This will kill ...
|
| globe willow | 7/28/2009 |
Q: I have a beautiful globe willow but it is getting a sore of sorts. My husbands thinks it's a worm. ...
A: This is called slime flux caused by a bacteria. The bacteria builds up in the tree and the pressure ...
|
| Golen Chain Tree | 7/28/2009 |
Q: My Golden Chain tree leaves have brown spots on them does that mean that it is dieased and can I ...
A: These are called leaf spot fungi the one most common on Chain tree is Cercospora. Circular to ...
|
| tree branch growth | 7/28/2009 |
Q: Hoping you can settle a discussion question........do tree branches grow with the tree? In other ...
A: The tree grows from the top. Branches that are two feet up the trunk will be two feet when the tree ...
|
| White oak tree leaf | 7/28/2009 |
Q: I have these growths on my white oak tree leaves. I can't tell if they are some type of leaf bug or ...
A: Sounds like a leaf gall more than likely Wool Sower Galls, Some insects and mites cause unusual ...
|
| Weeping Cherry tree | 7/28/2009 |
Q: I have recently bought a new house in Eastern Wahshington State and have come to the conclusion thru ...
A: The wasps are attracted to and feeding on sap. Check the foliage and it should be sticky. It sounds ...
|
| Should I leave a weeping willow in a residential neighborhood? | 7/28/2009 |
Q: I just purchased a new home and there is a weeping willow that is about 3 feet tall in the center of ...
A: Not a problem. Willows have a tendency to clog septic lines due to their roots needing more water ...
|
| Sapsucker Woodpecker Damage on Curly Willow Tree | 7/28/2009 |
Q: We live in MN and have an eight year old curly willow that was attacked for the first time this ...
A: The burlap will not keep the woodpecker from pecking. It will heat up the bark in the summer months ...
|
| maple trees and aphids | 7/27/2009 |
Q: I have five maple trees lining my corner lot. Two of them have to be over 3 stories tall. They ...
A: The "pimples" on the leaves are galls from an insect. the small wasp like insect lays its eggs on ...
|
| Magnolia tree | 7/27/2009 |
Q: I see white nubs on the branches of my tree. I live in Northwest Indiana and the tree is 1 1/2 yrs ...
A: If there is a sticky sap on the leaves or on the twigs then this is an insect called scales. If ...
|
| cottonwood tree | 7/27/2009 |
Q: At the base of a large cottonwood tree there is a knot approx. a ft sq. and sticking out of the ...
A: Sounds like a canker type disease that has formed a burl on the root. Yes it could be cut off and ...
|
| elm trees misting everything this year | 7/27/2009 |
Q: I park my car in a space up to the front of our house and we have elm trees on the swath between the ...
A: The tree has a population of either aphids or scale insects. Both of these insects sunk the plant ...
|
| Wild Cherry Leaf Die Off | 7/27/2009 |
Q: My wild cherry had bag worms in the spring and now many twig branches are leafless, leaves are ...
A: The "bagworms" sounds like eastern Tent Caterpillar. These insects make a web like tent over the ...
|
| Insects in Globe Willow Tree | 7/27/2009 |
Q: We planted a Globe Willow in our back yard - west side of the house - about 3 or 4 years ago. It's ...
A: The black is called sooty mold. The bugs sound like an insect called an aphids. These insects suck ...
|
| Large oak tree drips sap | 7/26/2009 |
Q: I live in Northern California, the San Francisco Bay Area. I have lived in this house for 25 yrs. ...
A: Sounds like either an insect called an aphid or a scale insect. Both suck the plant juice from the ...
|
| Royal Empress Tree root system | 7/26/2009 |
Q: I'm planing on planting a royal empress tree in my garden, it would be planted about 20 feet from ...
A: The roots will be about 1 1/2 times the width of the foliage. 20 feet should be plenty of distance ...
|
| Crape Myrtle | 7/26/2009 |
Q: I recently moved to a new house in North Carolina and discovered a Crape Myrtle in my yard. It only ...
A: Crape myrtle flowers on new growth of the season, so you can prune plants any time during the late ...
|
| japanese maple trees | 7/25/2009 |
Q: I have a Japanese maple tree. It has brown spots all over its leaves. Is this tree dead or can it ...
A: These are leaf spot caused by a fungus. I am going to guess it is Phyllostict leaf spot. A leaf spot ...
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| Oak tree worm | 7/25/2009 |
Q: We have one inch white worms that are severely eating the leaves of our oak trees. We live in north ...
A: Sounds like Scarlet Oak sawfly. The scarlet oak sawfly, Caliroa quercuscoccineae (Dyar) skeletonizes ...
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| Willow tree | 7/25/2009 |
Q: I have a mature Weeping Willow tree that has one big limb growing almost straight out towards. Can I ...
A: Yes you can prune off any branch as long as it it not the top. Whenever removing limbs greater than ...
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| pine trees | 7/25/2009 |
Q: I have a lovely small pine tree planted about 6 in away from my house. I would like to trim just ...
A: As long as the branches that are cut are not the upper branch or the top there is no problem pruning ...
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| Cherry Tree bores | 7/25/2009 |
Q: Do the bores in the tree itself affect the fruit so you can not eat the cherries even though the ...
A: No. Insect borers are in the woody cells of the tree trunk (sometimes the limbs) and are not in the ...
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| Little leaf Linden Tree | 7/24/2009 |
Q: I have a little leaf linden tree next to my driveway.It seems to be producing a lot more sap this ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| scrub oak | 7/24/2009 |
Q: I am with a large group of church girls attending a camp up by Kolob Reservoir near Zion's Natl. ...
A: I would use Roundup--this is a safe herbicide and will kill any green plant it is sprayed on. The ...
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| LOCUST TREE ROOTS | 7/24/2009 |
Q: LAST YEAR I HAD FOUR LOCUST TREES CUT DOWN AND THE STUMPS GROUND. THIS YEAR I HAVE MANY SMALL LOCUST ...
A: The root system is still alive and sprouting new growth. You can either keep mowing over the sprouts ...
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| japanese beetles | 7/24/2009 |
Q: I live in northern Ohio and I have an eleven year old Japanese plum tree that has been eaten alive ...
A: Hardwood trees have the capability of leafing out again after they have been defoliate. The beetles ...
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| japanese beetles | 7/24/2009 |
Q: Jim, I live in Springfield MO, and this summer we have had a horrible run with japanese beetles. ...
A: Hardwood trees have the capability of leafing out again after they have been defoliate. The beetles ...
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| sap from our Oak, coastal or black | 7/24/2009 |
Q: All of a sudden we are finding sap all over our cars all of which are under our three oak trees. It ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| Catava trees with worms | 7/23/2009 |
Q: I have 3 older catava trees in my yard and I don't want the worms. Where do they come from and how ...
A: Catalpa sphinx Ceratomia catalpae (Boisduval) Catalpa sphinx Host The catalpa sphinx caterpillar ...
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| BROKEN WEEPING WILLOW TREE | 7/23/2009 |
Q: WE RECENTLY HAD A VERY BAD STORM WITH STRAIGHT LINE WINDS THAT BROKE TWO LARGE LIMBS OUT IF ONE SIDE ...
A: It may sprout new growth from the trunk but it will look lopsided for many years until the growth ...
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| Sick alder trees | 7/23/2009 |
Q: I have about ten twelve-year old well spaced alder trees located on a lawn in the high desert near ...
A: When a hardwood tree is cut off from water in the summer they will shut down and drop their leaves. ...
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| Oak wood | 7/23/2009 |
Q: I have cut some oak wood for my girlfriends fire place. We have left it out to season. It now sounds ...
A: Thee are several insect that will bore into the wood. Usually you will see their sawdust. Also as ...
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| GREEN MOLD ON ASH TREE | 7/23/2009 |
Q: I have two ash trees in my front yard. One has always been punier than the other (dead branches, ...
A: Sounds like a lichen. Lichens are an example of a symbiotic relationship between algae and certain ...
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| Follow Up: Brown Velvet Magnolia/Edith Bogue. | 7/23/2009 |
Q: it has been awhile. I have searched far and wide but can not come up with much on the internet in ...
A: Sounds like every thing is fine. When trees are moved they usually will not flower the first year ...
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| Kousa Dogwood Sapling | 7/23/2009 |
Q: I planted a Kousa dogwood sapling 2 years ago. It is about 4-5 feet tall. My Aunt thinks I should ...
A: I agree with you--leave it alone. If the lower branches are causing problems with walking under them ...
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| Leyland cypress trees | 7/22/2009 |
Q: I have a few where the leaves near the trunk are getting brown. It seems to be getting worse as the ...
A: Leland cypress trees are subject to a couple of canker type diseases that effect the foliage. ...
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| very large tree wound | 7/22/2009 |
Q: Jim Hyland, I live on 1-1/2 of woods in southern/central Tennessee. My largest and most beautiful ...
A: The wound will heal by itself. Large wounds may never completely heal over. Any type of wound ...
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| Splitting bark maple tree | 7/22/2009 |
Q: We have 3 maple trees that have severe bark splitting. The foliage color is turning like it is ...
A: Looks like sun scald. Sunscald is another form of winter injury that can cause cracks and splits. ...
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| Tree Selection | 7/22/2009 |
Q: I would like some advice on zone 9 (Stockton, Ca) backyard tree selection. My three candidates are ...
A: The Crepe (or Crape) Myrtle (Lagerstroemia indica) is one of the most planted decorative trees in ...
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| transplanted spruce | 7/22/2009 |
Q: I have just transplanted some 6-7 foot spruce,done professionally,(bobcat & spade),am keeping them ...
A: The top of the root ball should be even with the ground level and the soil should not be up on the ...
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| Pussy willow tree | 7/22/2009 |
Q: I have a pussy willow tree25 years old,when I trimmed it this year itstarted to seep sticky sap all ...
A: Sounds like a scale insect probably willow scale. These insects attach to the twigs and suck the ...
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| Leland Cypress | 7/22/2009 |
Q: The first question on your website was concerning the pruning of the Leland Cypress. The answer did ...
A: With its rapid growth a Leyland cypress hedge can soon become overgrown if not maintained at the ...
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| installing pavers around large live oak tree | 7/22/2009 |
Q: I want to install a 12 ft wide circle drive made of pavers completely around a very large live oak. ...
A: Yes it will damage the roots of the tree. To what extent will depend on the amount of soil that is ...
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| premature acorn drop | 7/22/2009 |
Q: My 20 year old laurel oak is dropping acorns early this year. Last year seemed like a record year ...
A: Acorn take two tears to reach mature size. Weather plays a big part in how many reach maturity. ...
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| Health of Red Oak | 7/21/2009 |
Q: I have a red oak tree approximate. 100' tall. The base is larger than the trunk (mushroomed) I have ...
A: No If the foliage is green and full the tree is healthy. It sounds like the wood in the center of ...
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| Sick redbud tree | 7/21/2009 |
Q: I have a 4yr. old redbud that doubled in size the first 2 years. Last year the leaves seemed small ...
A: Sounds like there was too much fertilizer and it burned the roots. I would water with 1 inch of ...
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| honeydew | 7/21/2009 |
Q: So I read a reply to a question you answered last year regarding honeydew and I'm just wondering.. ...
A: Honeydew is secreted by an insect that sucks the plant juices from the plant. Until the insects stop ...
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| weed b gone on my weeping birch | 7/21/2009 |
Q: About 6 days ago I put weed b gone on my grass. I was very careful not to get the spray on any thing ...
A: Water it heavily. The water will dilute the herbicide and the tree should recover. Water with 1 inch ...
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| oak trees-watering | 7/21/2009 |
Q: I have twin oak trees seperated ground level, one is 39" the other 50" in circumference and they ...
A: Continue for the previous question--With no space between the boards there will be no water under ...
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| oak trees | 7/21/2009 |
Q: I live in South Jersey,zone 6 and have hostas planted around all my oak trees is that ok? I just had ...
A: If it had not been done I would have said do not do this. The problem can be that digging under a ...
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| transplanting pecan trees | 7/21/2009 |
Q: We live in Kansas and are getting ready to transplant some pecan trees from an overgrown pecan ...
A: Deciduous trees may be planted either in the spring or the fall. Deciduous plants may be moved in ...
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| What is the life of firewood | 7/21/2009 |
Q: I have easy access to White Oak from a veneer logger. I stack my wood on 53" pallets. Two rows per ...
A: It all depends on where you are located. Here in the Southern US firewood will start to decay after ...
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| Globe Willow | 7/21/2009 |
Q: I live in the Albuquerque, NM and planted a globe willow 2 years ago. The temperatures are ...
A: Willows need more water than normal tree species. I would water with 1 inch of water-place a pan ...
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| Cottonwood loosing leaves | 7/16/2009 |
Q: I recently purchased a home in Albuquerque, NM. There is a mature cottonwood tree. The leaves are ...
A: Sounds like a lack of water--I would water the tree with 1 inch of water -place a pan under the tree ...
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| Globe Navajo willow | 7/15/2009 |
Q: My husband and I planted a glove Navajo willow last fall. It is now about 5 1/2 feet tall. the top ...
A: First check to see if the branches are dead--start near the end of a branch and scrape a small bit ...
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| live oakes | 7/15/2009 |
Q: I live In Louisiana and it has been hot and dry this summer and my live oaks are about 15 yrs ...
A: Try watering them with 1 inch of water--place a pan under the tree and turn the sprinkler on and ...
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| 2 dogwood trees - beautiful, but must they come down? | 7/15/2009 |
Q: Your answers online are excellent (thank you). My situation: believing our local tree-guy's "cut it ...
A: Two questions here- 1. the tree sounds like it is healthy -foliage green and full and healthy ...
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| trees | 7/15/2009 |
Q: what is the longest tree ?
A: Top ten worlds tallest trees. #1 Coastal Redwood (Sequoia sempervirens) Hyperion: 379 feet (115 ...
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| swedish columnar aspen | 7/15/2009 |
Q: We have a 7 years old Swedish columnar aspen. We notice this year there are suckers coming up in our ...
A: These are natural in some tree species. You can either cut them off as they grow or you can use a ...
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| spots on maple tree | 7/15/2009 |
Q: I have a small maple tree about 10 feet tall. The trunk is about 3 inches in diameter. I found it ...
A: The white patchy sounds like lichens and these are not a problem to the health of the tree. Lichens ...
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| corkscrew willow tree | 7/14/2009 |
Q: I have two corkscrew willow trees in my Texas backyard. When the weather turned hot and dry the ...
A: The water is the main thing--willows naturally grow near a water source and need more water than ...
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| pruning oak trees | 7/14/2009 |
Q: When is the best time to prune what we think are native post oak trees in north central Texas.
A: While deciduous trees can be pruned anytime during the year, the best time to prune is late winter ...
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| Tree trunk sprouts | 7/14/2009 |
Q: I have three maple trees that put out numerous sprouts near the base of the tree. I have to cut ...
A: Cutting the sprouts is usually the best method. If you were to use a herbicide the parent tree may ...
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| Dogwood tree | 7/14/2009 |
Q: We did not realize that our lawn moving service has been hitting the base of our dogwood tree. The ...
A: No it would do more harm than good to put any type of wound dressing on the wound. If there is loose ...
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| crape myrtles near septic | 7/14/2009 |
Q: My side porch is brutally hot in the summer, it needs some shade. I want to plant crape myrtles ...
A: You should not have a problem with the crept myrtle and the septic lines. Most trees IF they are ...
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| Dogwood tree | 7/14/2009 |
Q: We did not realize that our lawn moving service has been hitting the base of our dogwood tree. The ...
A: Water it with 1 inch of water per week-place a pan under the tree and turn the sprinkler on and when ...
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| japanese red maple | 7/13/2009 |
Q: In Victorville, CA. How close to the home is it safe to plant a japanese red maple? My sister in ...
A: There are several varieties of Japanese red maple. Some are dwarf most have a spread width at ...
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| TREE CHOICE | 7/13/2009 |
Q: Im looking to buy the colorado blue spruce for a wind/privacy barrier on a one acre lot in northwest ...
A: The time of the year will effect the planting failures. The best time is early spring or fall. ...
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| browning needles | 7/13/2009 |
Q: I have a very young pine tree that I got while in Southern Colorado and have since replanted the ...
A: It sounds like the roots dried out when it was transported to Okla. form Colorado. Maybe it got hot ...
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| Transplantring in S Ontario , Canada | 7/13/2009 |
Q: Jim...I live in Toronto Canada and have a Red Maple in my backyard that I wish to move. It is approx ...
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
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| Blue Spruce | 7/13/2009 |
Q: My neighbors tree looks like it is being attacked by a bug, its a caterpillar, lots of them. It ...
A: Sounds like an insect called a sawfly. More than likely the Yellowheaded Spruce Sawfly. Evidence: ...
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| Poplar | 7/13/2009 |
Q: Jim I have a poplar in my back yard, I think it is a northwest. In the last couple it has began ...
A: Keep all the sprout cut--the lawn mower will do a good job. The grass is more than likely suffering ...
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| Can pruning shock a Japanese Maple? | 7/13/2009 |
Q: Live in the Pacific Northwest and planted a Coral Bark Japanese Maple last year. It is shaded by a ...
A: Yes it could. One side was growing better toward the light and away from the house. When these limbs ...
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| live oak tree | 7/12/2009 |
Q: I was told when we planted our live oak tree 15 years ago that the roots didn't run along the top & ...
A: No the live oak will not cause any problems with the foundation. Dying limbs and their falling on ...
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| oak tree droppings | 7/12/2009 |
Q: my oak tree is dropping little pellets and when the land on my patio if it is raining they become ...
A: Sounds like immature acorns. Acorns are the fruit of the oak tree and take two years to mature. IF ...
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| Ladybug type bugs on pussy willow tree | 7/12/2009 |
Q: It seems like overnite that my pussy willow tree - it is about 15 feet tall - has tight clusters of ...
A: Sounds like a scale insect probably willow scale. These insects attach to the twigs and suck the ...
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| 'Chaining' tree together to save it | 7/12/2009 |
Q: We have a large maple tree with three 'trunks'. One, which faces the house, is split almost to the ...
A: I think you mean cabling a tree or bracing. Cables and brace rods are supplemental structural ...
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| White Swamp Oak Leaf Loss | 7/12/2009 |
Q: We have a 10 year old white swamp oak that looks quite healthy but has suddenly started to drop ...
A: Small branches accumulating on the ground and the presence of clean-cut twigs, and in some cases ...
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| drippy maple tree-sticky on everything | 7/12/2009 |
Q: This is the first summer that we have had such a problem with the sticky drippy maple tree that ...
A: Sounds like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| Herbicide Damage | 7/11/2009 |
Q: I live on two acres surrounded by soybean fields. Approximately two weeks after herbicide was ...
A: I would say it sounds like herbicide damage. Diseases do not effect different species but the ...
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| tiny sticky white fuzz on tips of spruce needles. | 7/11/2009 |
Q: several healthy looking mature black spruce in a row look like they have been sprayed with that ...
A: Sounds like spittlebugs. The presence of spittle masses on twigs of conifers in May and June is ...
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| Sap Running from Oak Tree | 7/11/2009 |
Q: I have planted two Nutter Oaks in February 2009. They are about 15 Ft. tall. One tree has sap (i ...
A: Sounds like it is an insect called a borer. These insects will bore into the tree and sap will flow ...
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| Fruitless purple plum | 7/11/2009 |
Q: I have a purple plum that has been in the ground for about 3 years. It has feeder sprout roots ...
A: Yes you can cut the root that is causing the problem with out damaging the tree. It will grow back ...
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| how to save an over watered tree | 7/11/2009 |
Q: Two weeks ago a landscaper put in a 12 foot beautifl crimson king maple. It looked pretty good. I ...
A: The summer is the worst time to plant a tree--the heat and the lack of rain fall are the problems. ...
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| linden tree | 7/11/2009 |
Q: We have a linden tree aprox 40 yrs old and very healthy.I went to pick some flowers to smell and ...
A: Sounds like linden wart gall. http://www.entomology.wisc.edu/insectid/insect_info.php?206 Linden ...
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| Bagworms in Pecan Trees | 7/11/2009 |
Q: Is there anything that I can do to prevent bagworms from getting into my pecan tree?
A: I am guessing by "bagworm" you mean Fall webworm. http://www.bugwood.org/factsheets/webworm.html To ...
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| Bradford Pear damage | 7/11/2009 |
Q: Recently, vandals tried cutting down a large Bradford Pear (~10-12 inch diameter) and cut a circle ...
A: The cambium layer of cells is between the bark and the wood. This is the layer that is living and ...
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| TRANSPLANT | 7/10/2009 |
Q: I HAVE SOME TYPE OF EVERGREEN ABOUT 8 FEET TALL WITH WIDE SPREAD AND DROOPY BRANCHES (DON'T KNOW ...
A: Not the time of the year to move a tree especially a large one. Evergreens should be moved earlier ...
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| Paper Birch | 7/10/2009 |
Q: I recently had kids completely remove the white bark on 4 trees from about 3 feet off the ground to ...
A: Paper Birch bark does sluff off and can be peeled but not recommended. The loose bark can be easily ...
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| Pussy Willow Bush | 7/9/2009 |
Q: I have a bush in front of my house that was allowed to grow large like a tree. In the Spring it ...
A: The sap from the leaves is caused by an insect called an aphid or a scale insect. These suck the ...
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| maple tree health | 7/9/2009 |
Q: We planted an October Glory Maple tree last year in the fall. I recently noticed the leaves have ...
A: This is Leaf Blister of Maple. The culprits are fungi in the genus Taphrina. One species has caused ...
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| Japanese Maple and yellow jackets | 7/9/2009 |
Q: We have a green (I think varigated) maple tree. The foliage is very dense. I notice that yellow ...
A: Sounds like the tree has one of the sucking type insects. These suck the plant juices from the ...
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| cottonwood trees | 7/9/2009 |
Q: there is something that is chewing off the ends of my cottonwood tree branches. Pieces are 12 - 20 ...
A: The small twigs sounds like damage from an insect called a twig girdler or twig Pruner. These ...
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| What kind of tree is this? | 7/9/2009 |
Q: I found a small green tree growing in the woods in South Alabama that has green leaves shaped like a ...
A: Please attach a picture of the leaves and berries and I will try to ID it. Without the picture of ...
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| snow fountain weeping cherry tree | 7/9/2009 |
Q: I planted it two months ago and the leaves turned yellow last week of June and now the leaves are ...
A: It does sound like too much water however digging it up and leaving the roots to dry out will kill ...
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| liquid amber tree | 7/8/2009 |
Q: Our liquid amber is about four years old. It is VERY late in leafing out in the Spring, and there ...
A: Part of the problem maybe it is out of its natural range--Southern NY to the Souther states and out ...
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| Magnolia tree problem | 7/8/2009 |
Q: I hope you could help us with a recent problem on our 20+ yr. old Magnolia tree. Over the last ...
A: These are magnolia scales. Magnolia scales have sucking mouthparts and when heavy infestations ...
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| Pin Oak infestation | 7/8/2009 |
Q: Clusters of leaves are falling off of my Pin Oaks. Also the bees are so thick that you can hear them ...
A: The small twigs sounds like damage from an insect called a twig girdler or twig Pruner. These ...
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| Cherry tree leaves being eaten up | 7/8/2009 |
Q: I have a 5 foot Stella cherry tree, planted this spring, in Iowa. It has been doing quite well. It ...
A: Looks like an insect is feeding on the leaves. I would spray the tree with an insecticide called ...
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| Crimson King Maple roots | 7/7/2009 |
Q: I have a mature Crimson King Maple that we absolutely love. It has a great shape and great color ...
A: If the pipe is a sealed pipe do not worry about it. Tree roots are a problem with septic tanks and ...
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| dead leaves | 7/7/2009 |
Q: all of the leaves on our tree are dead. I think it is a red maple. It was here when we bought our ...
A: It sounds as if the tree has died. Check to see if it is dead by starting near the end of an upper ...
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| black sap coming out of tree | 7/7/2009 |
Q: What could be the cause of black sap coming out of the trunk of our tree (don't know whatr kind it ...
A: Sounds like it is slime flux. Wetwood and slime flux are poorly understood tree disease problems. ...
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| Oak tree | 7/7/2009 |
Q: I have oak trees in yard over our backyard deck. I love the trees but the sticky substance it ...
A: Sounds like either an insect called an aphid or a scale insect. Both suck the plant juice from the ...
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| filling hole in black walnut tree | 7/7/2009 |
Q: My neighbour is building a fence and has shown me that on their side of the tree there is a hole ...
A: I would do nothing. The cement will cause problems as the tree grows. Walnut is fairly sound wood ...
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| Bradford Pear | 7/7/2009 |
Q: How far away from our septic tank should we plant a Bradford Pear tree in our backyard. Are there ...
A: At least 20 feet from the tank and lines. There are many trees that are better than Bradford pear. ...
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| Root Suckers | 7/6/2009 |
Q: We had an aspen in our backyard that took major storm damage and had to be removed a couple of years ...
A: If they have their own root system they can be dug and transplanted. Check the sprouts root system ...
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| 3 maple trees seem to be dying | 7/6/2009 |
Q: My father has 3 very large maple trees in his yard all of which seem to be dying. They are abt 35yrs ...
A: It sounds as if the ice storm damaged the trees and they might need a shot in the arm to regain ...
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| arizona ash tree | 7/6/2009 |
Q: i have two arizona ash trees about two years old that refuse to grow. we live in southern new ...
A: Hardwood trees tend to grow a root system before they put on much height growth. If the foliage is ...
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| Moving a tree | 7/6/2009 |
Q: Last year I had the golden locust in my front yard cut down. Although I loved it, it was too close ...
A: If they have their own root system they can be dug and transplanted. Check the sprouts root system ...
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| Mimosa Trees | 7/6/2009 |
Q: I live in Taos, NM. I am wondering if I can grow a Mimosa here, since my son sent me some pods from ...
A: Yes both will grow in NM. Make sure the pods are completely dry, like paper. Mimosas are from the ...
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| Cypress Tree knee problems | 7/6/2009 |
Q: We have three cypress trees that are on the property line in our back yard in Mississippi. The ...
A: Cut the knees off at the ground level and paint the cut stump with a herbicide called Roundup. Use a ...
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| autumn blaze maple tree | 7/6/2009 |
Q: I bought an autumn blaze maple tree 2 years ago. It is growing ok but this year it has red spots in ...
A: These are leaf spot caused by a fungus. I am going to guess it is Phyllostict leaf spot. A leaf spot ...
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| tree roots a problem | 6/26/2009 |
Q: Sacramento Ca.just on the other side of my fence my neighbors sweetgum trees grow with roots that ...
A: Cut into the roots and apply a herbicide called Roundup to the cut surfaces. You can just paint the ...
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| bag worms and evergreen trees | 6/26/2009 |
Q: Do bagworms kill evergreen
A: If they completely defoliate a conifer and do this a couple if years in a row they can kill a ...
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| bradford pear roots | 6/25/2009 |
Q: my neighbors bradford pear was cut down 2 years ago and the roots have been invading my yard to the ...
A: I am assuming that the tree has re-sprouted foliage and is still growing. If not the roots system is ...
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| pussy willow trees | 6/25/2009 |
Q: We have a large pussy willow tree in our yard and have noticed this year that there are small black ...
A: Sounds like willow flea beetles. Spray the foliage with an insecticide. Insecticides containing ...
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| liquid amber | 6/25/2009 |
Q: I have a 50 foot liquid amber. One year ago I built a planter around it. The planter is square, ...
A: Fill dirt around a tree will compress the soil and the roots and cause the dieback. Soil up on the ...
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| Bark black on oak or maple trees | 6/25/2009 |
Q: There are three trees in my Mom's front yard and the bark is black. The leaves are green and the ...
A: Sounds like slime flux or wetwdoo. Wetwood and slime flux are poorly understood tree disease ...
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| gall in white oak tree | 6/25/2009 |
Q: We have a peach leaf oak tree that is heavily infested with gall. We are getting rid of this tree, ...
A: More than likely not- insects are the most part species related insects that will attack one tree ...
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| cypress knee removal? | 6/25/2009 |
Q: In the Low Coluntry of South Carolina I have two bald cypress trees between my house and the next ...
A: I would suggest if only the knees are the problem cut them off level with the ground. A new one may ...
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| Linden Tree and Japanese Beetles | 6/25/2009 |
Q: My last linden was eaten to lace by the Japanese beetles. The city replaced the tree with the same ...
A: Here is part of an artilce on Milky Spore and the timing of the treatment. "The man considered to ...
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| suckers from roots | 6/25/2009 |
Q: There are five (5) Southern Live Oak trees in my back yard in Sun City West, AZ (NW Phoenix). The ...
A: Cutting the sprouts is usually the best method. If you were to use a herbicide the parent tree may ...
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| Tricolour Beech Insect a Pest | 6/24/2009 |
Q: I live in Oakville, Ontario just 30 minutes west of Toronto in zone 6a or 6b. I just planted a 15 ...
A: These are aphids (an insect) and what you are doing will kill the insects. The treatment should be ...
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| worms on red pines | 6/24/2009 |
Q: we live in a stand of red pines that are 20ft or higher. we notices on the smaller trees that have ...
A: These are called sawflies. It is the only caterpillar type insect that will eat pine needles. ...
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| Mayday tree | 6/24/2009 |
Q: We recently transplanted about a 20ft tree from a friends yard. We watered it really well after ...
A: It sounds like shock from the move. A tree this large needs a good root system. Do not know how it ...
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| evergreen | 6/24/2009 |
Q: I live in a townhouse community that was built 8 years ago, a tree was planted in the center of my ...
A: From the distance it is hard to tell exactly what species of tree this is. It looks like one of the ...
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| Pruning blue spruce trees | 6/24/2009 |
Q: Is it to early to prune mature blue spruce trees in Western New York ?
A: Whenever a situation calls for a conifer to be pruned or sheared, It is typically recommended that ...
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| black locust tree borer | 6/24/2009 |
Q: we just discovered a borer in our black locust trees the trees are young, 4 to 5 years old i have ...
A: A good spray for borers is one called Merit or Onyx. These are sprayed on the trunk and are ...
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| Problem Tree | 6/23/2009 |
Q: We recently moved into a home that has a white birch. It doesn't seem to be that old. It appears to ...
A: First start check and see if the tree is still alive. Start near the end of an upper outer branch ...
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| Bald Cypress | 6/23/2009 |
Q: I've recently purchased a waterfront lot on Toledo Bend Lake in Louisiana. I would like to plant ...
A: It is best to plant them at the waters edge not in the water. They can stand some water in the ...
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| oak tree ants and fungus? | 6/23/2009 |
Q: My friend has an large oak tree in her yard. About 10 feet up there is a large split in the tree ...
A: Just 10-15 brown leaves is a very, very small percent of the leaves on the tree and it sounds like ...
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| Linden Tree and Japanese Beetles | 6/23/2009 |
Q: My last linden was eaten to lace by the Japanese beetles. The city replaced the tree with the same ...
A: There is a product that will control and prevent Japanese beetles form defoliating the tree. It is ...
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| sticky beech tree | 6/22/2009 |
Q: I have a very healthy looking beech tree (about 12 years old, about 20 feet tall) which this year ...
A: this sounds like aphids. Aphids are small (1/16-1/8 inch long), soft bodied insects commonly called ...
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| silver maples parasite | 6/22/2009 |
Q: should i worry, i have green and black sac like growths on my silver maples, it is causing brown ...
A: Galls are irregular plant growths which are stimulated by the interaction between plant hormones and ...
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| oak tree ants and fungus? | 6/22/2009 |
Q: My friend has an large oak tree in her yard. About 10 feet up there is a large split in the tree ...
A: No If the foliage is green and full the tree is healthy. It sounds like the wood in the center of ...
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| locust tree bugs | 6/22/2009 |
Q: What can be done for a locust tree that seems to be dying because of some little green bugs. ...
A: Sounds like locust leaf miner. The primary and most conspicuous damage is caused by the leafmining ...
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| Maple Trees | 6/22/2009 |
Q: Can Maple trees be planted the first of July ANSWER: Not very successfully. The heat will cause ...
A: I would go ahead and plant them rather than leaving them in the pots. The problem will be water and ...
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| systemic use | 6/22/2009 |
Q: I've been using a systemic made by Bayer for two years with great results.The flowering crab apple ...
A: It depends on which product you are using. Bayer Advanced has a product for diseases and one for ...
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| meyer lemon tree | 6/22/2009 |
Q: i made the mistake of planting my lemon tree in an area that is too shady in the afternoons it has ...
A: Deciduous trees may be planted either in the spring or the fall. Deciduous plants may be moved in ...
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| china berry tree | 6/22/2009 |
Q: i have a china berry tree approximately 55 years of age and 40feet in height we live in southern ...
A: Small branches breaking is not usually a sign that there is a health problem. There are a couple of ...
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| spruce tree problem | 6/21/2009 |
Q: I have noticed a problem with my spruce tree. There are small holes on the trunk of the tree that ...
A: If these holes are in a line around the trunk they are caused by a wood pecker called a sap sucker. ...
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| Maple Tree dripping sap | 6/21/2009 |
Q: This is our 20th summer in our current home. We have a Maple tree 2 1/2 stories high in front of ...
A: Yes this sounds like aphids. Aphids are small (1/16-1/8 inch long), soft bodied insects commonly ...
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| tree cattle | 6/21/2009 |
Q: Is the relationship between insects called tree cattle and their host trees symbiotic? If so, what ...
A: In some sense maybe. symbiotic relationship is a relationship between two entities which is ...
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| Berry Tree ID | 6/21/2009 |
Q: We are in MN and moved into our new house in Dec. The garden areas haven't been kept up and things ...
A: It looks like Mulberry probably Red Mulberry, Morus rubra. The upper surface of the leaves is ...
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| Florwering Magnolia tree | 6/21/2009 |
Q: Is it possible to root a cutting from a very large, 12 year old flowering magnolia tree? If so, how ...
A: It is possible BUT will take some time. Most propagation is done through seed, cuttings taken in ...
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| Maple Trees | 6/20/2009 |
Q: Can Maple trees be planted the first of July
A: Not very successfully. The heat will cause much damage or death. The best time is not the summer ...
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| Newly planted 12 foot cedar hedge | 6/20/2009 |
Q: I just read your info on watering cedars that are newly planted. Are you able to give me a ...
A: for new planted trees I would water every third day for the first 4-6 weeks then once a week. Water ...
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| New River Birch | 6/20/2009 |
Q: I planted a new river birch tree (10'-12') last week, today I notice after three very hot, humid ...
A: River birch as the name implies grow near water and need more water than most trees. This is why it ...
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| stopping tree roots | 6/20/2009 |
Q: Our neighbor's tree is sending huge roots into our yard---we just found a 6 inch one very close to ...
A: Cut the roots back to your property line. Dig a trench along the line and cut the roots. This will ...
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| possible damage to scrub oak | 6/20/2009 |
Q: I need to cut down some dead and dying jack pines in a small wooded patch near my home. The pines ...
A: Go ahead and cut the pines. Dead trees or trees that you want to remove can be cut at any time ...
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| weeping oak | 6/20/2009 |
Q: Is a weeping oak and a pin oak the same tree? My daughter bought me a weeping oak and it looks ...
A: No Weeping oak is Quercus robur (pedunculata) commonly known as the Pedunculate Oak or English oak. ...
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| green mold or fungus on the branches of a red maple tree | 6/19/2009 |
Q: The tree is a Japanese red maple and the trunk has a green spotted mole on fungus on all the ...
A: Sounds like Lichens. Lichens are an example of a symbiotic relationship between algae and certain ...
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| Oak trees raining sap on sunny days | 6/19/2009 |
Q: All of the oak trees in the surrounding area are raining sap when the sun is out. Also the small ...
A: Sounds like the problem is a scale insect. Scale insects are so prolific that they quite often cover ...
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| Tree 2 | 6/19/2009 |
Q: Tree 2 loosing bark
A: Tree 1 has been attacked by an insect called a borer. This insect will bore into the bark and wood ...
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| Tree 1 - 2nd view | 6/19/2009 |
Q: 2nd view of tree 1
A: Tree 1 has been attacked by an insect called a borer. This insect will bore into the bark and wood ...
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| Problem with trees | 6/19/2009 |
Q: We have 2 trees that are having problems. Will have to send pics in seperate emails. There are 2 ...
A: Tree 1 has been attacked by an insect called a borer. This insect will bore into the bark and wood ...
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| stopping tree roots | 6/19/2009 |
Q: Our neighbor's tree is sending huge roots into our yard---we just found a 6 inch one very close to ...
A: There are root barriers that will stop the roots from going under sidewalks and foundations. Salt ...
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| magnolia grandiflora | 6/19/2009 |
Q: We have two magnolia trees about 10 ft tall that we want transplanted. We live in Ramona Ca and ...
A: Deciduous trees and shrubs may be planted either in the spring or the fall. Deciduous plants may be ...
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| tree care | 6/19/2009 |
Q: I've just had some yard work done, and the contractor piled up earth against the trunks of two ...
A: I would disagree--the soil that was added around the tree will cause much damage to the trees root ...
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| Hardwood cuttings | 6/19/2009 |
Q: I want to propagate some poplars. How do I take the cuttings? The Poplar tree has small ...
A: Cuttings should generally consist of the current or past season’s growth. Avoid material with flower ...
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| pink dogwood | 6/19/2009 |
Q: I turn to you once again. My Pink Dogwood is 30 plus years old, it's flowers the past 3 years have ...
A: I would try Roundup. It is sprayed on the foliage and is transport to the root system killing the ...
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| bald cypress | 6/19/2009 |
Q: bag worms just about stripped my bald cypress.can i still save my tree.
A: The tree should leaf back out from the defoliation. I would water it once a week with 1 inch of ...
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| eucalyptus tree | 6/18/2009 |
Q: I live in Portland, OR. My 4 yr old eucalyptus trees appear dead after an extended winter. All the ...
A: The top died back from the cold and the roots are still alive and are sprouting new growth. All the ...
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| pink dogwood | 6/18/2009 |
Q: I turn to you once again. My Pink Dogwood is 30 plus years old, it's flowers the past 3 years have ...
A: These are Japanese magnolia trees. They have very few insect or disease pest that would cause death. ...
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| Linden tree near septic tank and tile bed | 6/18/2009 |
Q: We are located in Southern Ontario. We just moved to a new property where a young Linden tree (4.5 ...
A: The general recommendation for linden tree would be 20 feet from a septic tank or lines. I ...
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| Small bumps on leaves | 6/18/2009 |
Q: I live in Fort Worth Texas and I just noticed that all of our trees and bushes are getting little ...
A: Leaf galls are a frightening sight, but are not usually as serious as they appear. These bumps and ...
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| Orange Dust on Ash Tree | 6/18/2009 |
Q: I have an ash tree that is about 7 years old. I recently noticed several leaves with a splotch of ...
A: Sounds like Ash Leaf Rust. The "dust" will be short lived, al the tree will recover. SYMPTOMS AND ...
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| Scrub Oak disease | 6/18/2009 |
Q: I live in Colorado and some of the scrub oak in my yard appears to have a disease. There are dark ...
A: The branches sound like galls. Galls are irregular plant growths which are stimulated by the ...
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| Sap On maple leaves | 6/17/2009 |
Q: I have a Maple Tree Not sure what kind. The leaves are green in early spring and turns very dark red ...
A: Then you will need to use a spray insecticide on the foliage. The key will be to cover both sides of ...
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| mold in oak trees | 6/17/2009 |
Q: I had a limb that fell off it had purple between the bark, could that be some kind of mold or ...
A: After a tree limb dies there are many different decay fungi that will infect the woody cells. Their ...
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| Sap | 6/17/2009 |
Q: We trimmed our maple tree last year and now we have sap dripping all over our deck. Is there ...
A: If the sap is dropping from the pruned stubs or wounds this is normal fro maples for the first year ...
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| Black Spurge | 6/17/2009 |
Q: Have you heard anything about "Black Spurge" disease on fruitless mulberry trees? I live in the ...
A: I am not real sure what this could be but I lean toward a disease called Black Knot. The best ...
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| weed wacker damage to new evergreen tree | 6/17/2009 |
Q: sadly for me i damaged my new (3 yrs old) evergreen tree. it was dusk, i wanted to finish the job, ...
A: About all that can be done is wait and see. IF the bark was not cut off all the way round the trunk ...
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| Washingtonia Robusta Palm | 6/17/2009 |
Q: We live in a beach town in Southern California. The palm trees that surround many of our historic ...
A: There is an excellent chamce that damage will occur form this. Palm trees are more like a corn ...
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| sapping magnolia | 6/16/2009 |
Q: we have a 75 yr old beautiful magnolia tree in our front yard that is sapping like crazy! it feels ...
A: Sounds like a scale insect. i would treat the tree with an insecticide called Bayer Advanced Tree ...
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| Sap On maple leaves | 6/16/2009 |
Q: I have a Maple Tree Not sure what kind. The leaves are green in early spring and turns very dark red ...
A: If the sap is sticky this is an insect that sucks the plant juices and secrete a substance called ...
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| Crabapple trees | 6/16/2009 |
Q: I have a five year old crabapple tree that has always produced beautiful pink flowers...this year, ...
A: Flowering trees should be pruned after they flower. If you prune before they flower you have a ...
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| Red maple roots in sewer line | 6/16/2009 |
Q: You answered question about "Red maple roots in sewer line" and recommend to use copper sulfate to ...
A: 1. 1/2 cup is 118 ml. 2. Put it into the toilet. 3. Until the tank refills. 4. Repeat routinely ...
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| Oak tree | 6/16/2009 |
Q: The leaves on my oak (aprox' 25 years old) are slowly being eaten away. Started last year somewhat ...
A: There is an insecticide that can be applied to the soil around the tree and the roots will transport ...
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| Difference between stress & cercospora | 6/16/2009 |
Q: How can one tell the difference between stress and cerospora on leyland cypree trees? Three in my ...
A: Cercospora needle blight, caused by the fungus Cercosporidium sequoiae (syn. Asperisporium sequoiae; ...
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| crepe myrtle sucker | 6/16/2009 |
Q: I have a 20-25 foot tall white crepe myrtle that sends a multitude of suckers up from around the ...
A: Cut or break them off do not use a weed whacker this is injure the trunk causing more suckers. Treat ...
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| Fertilizing a Japanese Maple Tree | 6/16/2009 |
Q: I would like to know what type of Miracle-gro tree fertilizer spikes are better for a Japanese Maple ...
A: I do not recommend tree spikes since you can easily damage the roots. Fertilize in early spring by ...
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| Catalba Worm | 6/16/2009 |
Q: Where can I find a Catalba tree. they are grown for the worms as fishing bait
A: You could try your local nursery or here is a web link to a couple of nurseries that sell them. ...
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| help my street | 6/16/2009 |
Q: I have a neighbor that has a tree that grows a cotton like substance. The tree is at least 20 ft ...
A: There is a substance that when srayed on the tree just prior to flowering will stop the seed from ...
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| Red maple roots in sewer line | 6/15/2009 |
Q: You answered question about "Red maple roots in sewer line" and recommend to use copper sulfate to ...
A: Measure out about one-half cup of medium sized copper sulfate crystals. Pour the crystals into the ...
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| pink dogwood | 6/15/2009 |
Q: I turn to you once again. My Pink Dogwood is 30 plus years old, it's flowers the past 3 years have ...
A: Their life span is about 80 years. I would suggest fertilizing the tree with 10-10-10 fertilizer at ...
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| cottonless cottonwood trees | 6/15/2009 |
Q: I think I have a bug problem, however, I never see them. Each year, the limbs and leaves and limbs ...
A: It's the Poplar Petiole Gall, caused by the Poplar Petiole Gall Aphid, Pemphigus populitransversus. ...
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| Silver Maple in Distress | 6/15/2009 |
Q: My silver maple tree is 15 years old. We live in Indiana. The bark started splitting during the ...
A: Sounds like an insect called a borer. Maple callus borer, Synanthedon acerni. The larva of this ...
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| My weeping cherry tree is in trouble | 6/15/2009 |
Q: I recently purchased a Snow Fountain weeping cherry tree from Lowe's. It is approximately six feet ...
A: Sounds like just shock from the planting. The top of the root ball should be even with the ground ...
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| Mulberry Trees | 6/15/2009 |
Q: When is the best time of year to prune a Mulberry tree. Ours is located in Perth Western Australia ...
A: Deciduous trees like mulberry trees are best pruned when the leaves are dormant. Late fall or early ...
|
| Crooked Willow bugs | 6/15/2009 |
Q: I recently cut a lot of dead branches out of a 30 foot crooked willow that is on our front lawn, and ...
A: Insects that feed on trees can be treated with an insecticide called Bayer Advanced Tree and Shrub ...
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| cottonwood tree question | 6/15/2009 |
Q: I have several of them right behind my house and they make a mess in my yard and pool... I dont ...
A: In the South they drop the seed from about May-July In the North from about June through July. The ...
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| dogwood tree | 6/15/2009 |
Q: I have a dogwood tree that is at least 10 years old. It has never bloomed. Last year I read that a ...
A: I would suggest you fertilize the trees and water. For established trees, one-half pound (one cup) ...
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| Large dead section of Mountain Ash tree | 6/14/2009 |
Q: Help! I just recently discovered that a large section of branches in my Mountain Ash tree (which I ...
A: Not really sure why one branch would die and the rest live--could be an insect called a borer. I ...
|
| CRYPT MRYTLES TREES | 6/14/2009 |
Q: WHAT IS THE BEST WAY TO FERTILIZE AND CARE FOR CRYPT MRYTLES?
A: Fertilizing Crape myrtles respond to fertilization. Since many types are fairly fast growers and ...
|
| River Birch leaf loss | 6/14/2009 |
Q: We live in Potomac, Maryland (suburb of Washington DC) and have a number of large (approx. 23 yrs ...
A: No it is not normal. It could be one of several problems--too little water, leaf blight disease, ...
|
| Japanese Acers | 6/14/2009 |
Q: I have several acers and just recently I noticed white marks on the trunks. On further ...
A: Sounds like a scale insect. Scales attach themselves to the branches and will not move it ...
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| Watering Needs of a Full Grown Ash Tree | 6/14/2009 |
Q: We live in the Phoenix AZ area and have a full grown Ash tree in our front yard. The tree is over 30 ...
A: Trees need about 1 inch of water per week. Thee best way is too place a pan under the tree and turn ...
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| Hemlock Tree | 6/14/2009 |
Q: We live in Indiana, and had a person hired to trim our bushes, and he decided to trim our young ...
A: No it is not "doomed' but the lower branches will not grow back. The upper branches over time will ...
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| Carpenter ants and silver maple trees | 6/14/2009 |
Q: best way to get rid of the ants oneself?
A: Carpenter ants nest in trees in one of two situations: 1) in rotted, decayed wood or 2) in the ...
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| Japanese Maple and Maple pruning | 6/14/2009 |
Q: From your forum: http://en.allexperts.com/q/Trees-739/2009/4/PRUNING- JAPANESE-MAPLE.htm When is ...
A: Fall and winter is a common time to prune and shape deciduous trees and shrubs . Exceptions to this ...
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| Problems with our river birch trees | 5/18/2009 |
Q: We have two Birch trees each about 25 ft tall, one with 2-trunks and the other with three. Both ...
A: Sounds like it could be Bronze Birch Borer. The bronze birch borer attacks paper (canoe), European ...
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| Heritage River Birch | 5/18/2009 |
Q: Mr. Hyland, I recently had a large HRB planted (25') at my home in the north Georgia mountains on ...
A: Check the upper outer limbs--start near the end of the branch and scrape a small bit of bark off and ...
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| swamp willow trees | 5/13/2009 |
Q: We live by the river, we have many swamp willow trees. This type of willow sends off runners every ...
A: They are fairly easy to kill. Buy a herbicide called Roundup. It will not take much so get the ...
|
| White Oak losing leaves | 5/13/2009 |
Q: We live in North Texas and have several white oaks in our yard. One of the trees is dropping ...
A: From the description I can not tell what the problem would be. I would suggest that you call the ...
|
| weeping cherry tree problem | 5/13/2009 |
Q: I have a weeping cherry tree that I planted about 5 years ago. I have had great success with it ...
A: Check and see if the tree is still alive--start near the end of an upper branch and scrape a small ...
|
| weeping cherry problem | 5/13/2009 |
Q: I have 3 weeping cherries in my yard 2 of them are beautiful the third one is sick. The bark on the ...
A: Sounds like it is a borer problem --an insect that will bore into the tree trunk weakening the tree. ...
|
| Dappled willow near paver sidewalk | 5/13/2009 |
Q: I would like to plant a dappled willow near a paver sidewalk(about 3 feet away). Will the roots be a ...
A: The roots will not be a problem with this tree near a sidewalk. This trees roots do not have a ...
|
| bore worms | 5/13/2009 |
Q: how do tell if we hAVE BORE WORMS IN OUR WILLOW TREE AND HOW DO WE TREAT THEM
A: Under limbs and trunks, look for sawdust and frass pushed out of the galleries. Holes in the trunk ...
|
| woodpecker damaging our tree limbs falling off | 5/13/2009 |
Q: We have a woodpecker that has made ton's of holes in our very large tree and one big hole which I ...
A: When large limbs fall and the end that was near the trunk is either hollow or decayed--soft, this is ...
|
| sudden poor health japanese lettuce leaf red maple | 5/12/2009 |
Q: My Japanese lettuce leaf red maple tree was in the peak of health last year. However, this spring, ...
A: This sounds like aphids. Aphids are small (1/16-1/8 inch long), soft bodied insects commonly called ...
|
| magnolia trees | 5/12/2009 |
Q: recently bought a home and there's a medium size magnolia tree in back yard. I HATE THESE TREES!!! ...
A: Triox is a total vegetation killer! It’s advertised for use on walks, driveways, along fences and ...
|
| Mountain Ash | 5/12/2009 |
Q: I have a big dead branch in front of my tree. It died last summer. Wrote to this site and they said ...
A: Just cut the branch about 1/8 inch from the trunk. The area of a branch right next to the trunk is ...
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| Magnolia tree beside our house | 5/12/2009 |
Q: I have a fairly mature Magnolia tree about 3 1/2 feet from the side of my garage. My A/C unit and ...
A: I do not think you will have a problem with this tree from the roots. Since it is a "fairly mature ...
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| WEEPING CHERRY TREE | 5/12/2009 |
Q: JUST PURCHASED TREE LAST YEAR ALREADY PAST "BLOOM" STAGE LEAVES APPEARED THAN BECAME FULL OF HOLES. ...
A: Several insects will do this--caterpillars, Japanese beetles etc. I would treat the tree with a ...
|
| Pin Oak green balls | 5/12/2009 |
Q: My 7 year pin oak tree has developed a 1/4" green round ball on all leaves. They grow into the leaf ...
A: These are leaf galls formed by an insect -tiny wasp. There are a variety of gall-forming species of ...
|
| redbud tree | 5/12/2009 |
Q: A red bud tree, was planted about 2 feet from my house and roots are growing under foundation. I ...
A: The roots have done all the spreading they can. Without foliage the roots system will die. Now if ...
|
| oak trees | 5/12/2009 |
Q: We have 3 huge oak trees in our back yard in witch I just put a raised flower bed around each with ...
A: Soil filling around trees causes compaction of the existing soil, with the same results previously ...
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| Trimmed Blue Spruce | 5/12/2009 |
Q: I have a 45' blue spruce in my yard. Recently the power company trimed back the tree on the windward ...
A: I assume you meant the 35 foot level to the 20 foot level and the branches are cut to 5 feet from ...
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| Japanese red lace maple | 5/12/2009 |
Q: Last Fall I pruned the tree and cleaned up the deadwood. Our winter in northern Illinois was ...
A: Check and see if the tree is still alive--start near the end of an upper branch and scrape a small ...
|
| Yoshino Cherry propagation | 5/11/2009 |
Q: My Yoshino has sprouts growing from exposed roots a few feet out from the trunk. I have removed all ...
A: I am sorry I was wrong Yoshino is a cross not a grafted tree (Prunus x yedoensis) . The Kwanzan ...
|
| Fireglow Japanese Maple | 5/11/2009 |
Q: I recently purchased a Fireglow Japanese Maple from Lowe's. There was no tag stating where to ...
A: Height 12-15 feet and width 6-8 feet at maturity. Fireglow is an impressive, vigorous, reliable ...
|
| Weeping lace leaf red japanese maple | 5/11/2009 |
Q: We bought the maple last May, it was beautiful all summer and lost it's leaves in the late fall ( we ...
A: About all that you can do is just wait and see if the tree buds out. We had a late cold spell here ...
|
| Oak Tree Fungus | 5/11/2009 |
Q: Jim, I believe I have Live Oak trees in my front yard, and they both have a blue-ish, grey ...
A: Sounds like lichen too me. Lichens are an example of a symbiotic relationship between algae and ...
|
| Is my seiryu japanese maple dead? | 5/11/2009 |
Q: It is spring and all the trees are in bloom with their leave or have green buds on them except for ...
A: If maples are planted in correct the roots can wrap around the tree and girdle the trunk. If a tree ...
|
| heritage birch | 5/11/2009 |
Q: we have a heritage birch planted spring 2008. We are located in Nebraska. Have had some late ...
A: Yes the late freeze could have killed the buds. But hardwoods usually will bud out again. The tree ...
|
| PINE TREE WITH A PROBLEM | 5/11/2009 |
Q: I AM IN FORT WORTH TEXAS, I HAVE A 9 YEARS PINE TREE. RECENTLY IT HAS BEEN OOZING A LIGHT YELLOW ...
A: Sounds like the damage from a boring insect called the Dioryctria moth. These bore into the tree ...
|
| fungas on magnolia tree | 5/10/2009 |
Q: I have a fungas (I think) at the base of my magnolia tree. It is a white mass with the texture of a ...
A: This is a fruiting body of a decay fungus. They grow during periods of high moisture. Heart rot in ...
|
| southern magnolia | 5/10/2009 |
Q: I have a pair of 'important' southern magnolias which are believed to be at least 150 years old. ...
A: Borers attack trees that are under stress. yes the recent digging would put the tree under stress. ...
|
| weeping cherry tree with holes in leaves | 5/10/2009 |
Q: My daughter purchased a weeping cherry tree and the day after we planted it, holes began appearing ...
A: Several insects will do this--caterpillars, Japanese beetles etc. I would treat the tree with a ...
|
| Is my seiryu japanese maple dead? | 5/10/2009 |
Q: It is spring and all the trees are in bloom with their leave or have green buds on them except for ...
A: Sounds like with the drastic change in temperature the buds were frost bitten. If you cut all the ...
|
| Transplanting a Japanese Red Maple Tree | 5/10/2009 |
Q: We have a 10-15 yr. old JRMaple too close to our house..We need to move it into the front yard about ...
A: If you use the calculations for the size of the rootball above it will work BUT it will be a large ...
|
| Green Giants and deer rut (antlers) | 5/10/2009 |
Q: I have just had planted 14 beautiful Green Giants. These are 6-8 or so feet tall. I am very worried ...
A: Protecting trees with plastic collars and tree guards in late summer will protect trunks from deer ...
|
| river birch trees | 5/9/2009 |
Q: We had 3 river birches planted in the fall (near Chicago, IL)in the back of our yard where there is ...
A: If the branches are pliable they are still alive. I would wait and see--I think the tree is just ...
|
| Bagworms | 5/9/2009 |
Q: I discovered bagworms on a Japanese split leaf maple that got about 15 years ago. Would seven be an ...
A: The common bagworm, Thyridopteryx ephemeraeformis (Haworth), is an interesting caterpillar. The most ...
|
| oak tree | 5/9/2009 |
Q: I have 2 oak trees. I have had this tree for about 2 years now. It was freshly planted probably 2 ...
A: Oaks in general have a growth rate classified as medium--medium refers to 13 to 24” of growth per ...
|
| walnut trees | 5/8/2009 |
Q: I have two old walnut trees in my yard in WA. They appear to be common walnuts but one tree bears ...
A: Walnut trees are self pollinating so you do not need two trees to produce nuts. Not sure why one ...
|
| disc fungus on a tulip poplar tree | 5/8/2009 |
Q: I cut down this tree about 2 years ago, but left about 3 feet of the trunk and roots. It was totally ...
A: These are the fruiting bodies of the decay fungi in the hollow. They will not kill the tree -they ...
|
| catawba worms and trees | 5/8/2009 |
Q: I have a large catawba Tree in my yard and it has never had worms on it or any evidence of eaten ...
A: THE CATALPA SPHINX is a common hawk or sphinx moth, but it is the caterpillar stage, that is most ...
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| dogwood trees | 5/8/2009 |
Q: do both male and female bloom white flowers?
A: The Dogwood flower is a small flower cluster. The flower cluster is surrounded by 4 large showy ...
|
| needle cast - spruce | 5/8/2009 |
Q: Jim, I have 10 colorado blue spruces in my backyard and last year I noticed that one of them has ...
A: If trees are infected, fallen needles should be cleaned up and discarded in a sealed plastic trash ...
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| round sac-like projections under oak leaves | 5/8/2009 |
Q: we live in a wet area of oregon . visiting a park by the illinois river ,we noticed oak leaves on ...
A: They are called galls caused by an insect (small wasp) The wasp lays its eggs on the surface of the ...
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| possible disease to my oak tree | 5/8/2009 |
Q: I live in western Pennsylvania(Pgh.)and recently noticed a spot on one of my oaks. It is on the ...
A: This sounds like a oak borer--an insect that bores into the trunk and the tree exudes sap making the ...
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| Transplanting a Japanese Red Maple Tree | 5/8/2009 |
Q: We have a 10-15 yr. old JRMaple too close to our house..We need to move it into the front yard about ...
A: Older deciduous trees can be successfully moved only if a ball of soil is left around the roots. ...
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| help | 5/7/2009 |
Q: I have a globe willow about 15 yrs old. my husband really pruned it more than it ever had been just ...
A: Willows and septic tanks and lines do not mix well. willow trees (and their roots) grow very ...
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| Maple Tree lost very large branch | 5/7/2009 |
Q: We have to be what we are told a 200 year old maple tree on our property. December 2008 we had a ...
A: Cut any loose bark away from the wound and any splinted wood that may be sticking up. The tree will ...
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| 15 ft. blue spruce. | 5/7/2009 |
Q: I have a 15 ft blue spruce in my backyard. It is next to a wooden fence, and it is hard to believe ...
A: It is difficult to envision the lean and the site without seeing the tree. I would have a certified ...
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| Raywood Ash | 5/7/2009 |
Q: I have a Raywood Ash tree planted last year. There are no leaves on the top half of the tree this ...
A: No wait a month and see if it will leaf out. You will have plenty of time to prune any dead limbs ...
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| Florida Live Oak pests | 5/7/2009 |
Q: We have recently purchased a 57 year old house with 5 Live Oaks that seem to be about that age too. ...
A: The signs of borers would be patches of dark bark or moist patches on the trunk. This would be where ...
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| mimosa tree | 5/7/2009 |
Q: will mimosa tree roots hurt my septic tank
A: Any tree planted on top of a septic tank or the fill lines could cause problems. Tree roots seek out ...
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| Red Maple Tree Roots | 5/7/2009 |
Q: My 10 year old red maple is developing fine roots above ground. We have a dirt collar about 6 inches ...
A: I am assuming that by a "dirt collar" you are referring to the tree planted on a mound. The tree ...
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| oak tree | 5/6/2009 |
Q: I have 2 oak trees. I have had this tree for about 2 years now. It was freshly planted probably 2 ...
A: Try fertilizing then with 10-10-10 fertilizer at the rate of 1 lb per inch of trunk diameter ...
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| blue spruce trees | 5/6/2009 |
Q: Is there a certain care or food supply that willhelp the tree be more blue?
A: I would fertilize. For blue spruce, what I would suggest is the following. Use 30-10-10 fertilizer ...
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| Hawthorne Tree | 5/5/2009 |
Q: I have a two year Hawthorne tree and would like to know if I can prune it? It has a few little buds ...
A: You can prune the sprouts from the lower trunk anytime during the year. It will not harm the tree in ...
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| Plum tree pests | 5/5/2009 |
Q: My plum tree has blossomed but now the leaves are being eaten by something. Many holes no sign of ...
A: Sounds like it maybe Japanese beetles eating the leaves. Many insecticides are labeled for ...
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| Cedar trees | 5/4/2009 |
Q: We have what our neighbor calls junk cedar trees. We live in Missouri and the trees are all over. I ...
A: This is cedar apple rust fruiting bodies. During warm rainy days in late April and early May, cedar ...
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| plum trees | 5/4/2009 |
Q: 2 years ago my plum tree bark split up and down with a gold color sap coming our of small holes, i ...
A: A tree nursery or garden center should have the Merit or be able to get it. Department type stores ...
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| crab apple seedling | 5/4/2009 |
Q: Our crab apple tree has two seedlings coming up from the ground and are about 3-5 ft. high. I wanted ...
A: First check and see if they have their own root systems and are not sprouting from the parent tree ...
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| moving a tree | 5/4/2009 |
Q: location-central OK I need to move 2 trees, both are about 4 years old. the first is a Japanese red ...
A: Yes. Yew bushes can be grown in sun or shade. Their shade-tolerance gives landscape designers an ...
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| Flowering plum planting/care | 5/4/2009 |
Q: Got 4 flowering plums cheap. Now what to do w/them? I have limited space and don't want them to grow ...
A: They need full sunlight to produce flowers. Ornamental plum trees are among the hardiest of all ...
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| Willow Tree not bearing leaves yet | 5/4/2009 |
Q: WE have recently move into a new property which has a very old willow tree, we think at least 60 ...
A: Any damage fro the construction of the building would have show up within the first two years of the ...
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| PIN OAK | 5/4/2009 |
Q: Last spring I purchased a 7' pin oak tree from a local department store (Lowes). Because the tree ...
A: There are a couple of problems with manure--the concentration of nitrogen is unknown and if too much ...
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| Dying 100 year-old pink dogwood | 5/4/2009 |
Q: In doing a search about possbiel causes of the 100 year old dogwood in my yeard, I ran across an old ...
A: You should see some improvement in a few months in the away of greener foliage but it may take next ...
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| Trenching near Walnut tree | 5/3/2009 |
Q: I am planning on expanding my garage and that will require that a foundation trench be dug along one ...
A: Building foundations, driveway, sidewalk & road excavation are common events that can cause serious ...
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| River birch leaning | 5/3/2009 |
Q: We have a river birch tree leaning toward the ground, it started back in February after a snow fall, ...
A: Topping trees is generally a bad move. Topping birch is a particularly bad idea. Their form does ...
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| River birch leaning | 5/3/2009 |
Q: We have a river birch tree leaning toward the ground, it started back in February after a snow fall, ...
A: Topping the tree will at the very least make it a bush or may kill it. The tree is fighting for ...
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| Raywood Ash Growth | 5/3/2009 |
Q: I have had a Raywood for 3 years... Every year in the spring as it blooms, it produces growth around ...
A: If you are talking about the tree grows sprouts form the lower trunk or from the roots--these do sap ...
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| Willow Tree not bearing leaves yet | 5/3/2009 |
Q: WE have recently move into a new property which has a very old willow tree, we think at least 60 ...
A: I would just wait and see --the tree may just be late leafing out. You can check to see if the tree ...
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| PIN OAK | 5/3/2009 |
Q: Last spring I purchased a 7' pin oak tree from a local department store (Lowes). Because the tree ...
A: two problems here--first the top of young tree is where the height grow is formed, cutting the top ...
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| excessive leader branch on purple maple | 5/2/2009 |
Q: 3 years ago planted some type of purple maple, curb/grass area next to sidewalk. Now main tree with ...
A: No this is the main terminal of the tree and pruning it may damage the tree. The main terminal is ...
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| Fat Albert Thinning | 5/2/2009 |
Q: I have a 6-7 ft Colorado blue spruce (Fat Albert) in a partial shaded raised bed about 3-4 ft from ...
A: Yes too much water is as bad as too little, I should have said water IF it does not rain. Usually ...
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| plum trees | 5/2/2009 |
Q: 2 years ago my plum tree bark split up and down with a gold color sap coming our of small holes, i ...
A: If I am reading this right--the tree had borers and you treated it with Bayer advanced Tree and ...
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| moving a tree | 5/2/2009 |
Q: location-central OK I need to move 2 trees, both are about 4 years old. the first is a Japanese red ...
A: I would leave it where it is. After the winter freeze damaging it some the root damage from the ...
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| tree pruning | 5/2/2009 |
Q: what is best way to trim a red maple tree? it is about 20 ft tall and 15 ft wide
A: Most red maples, if in good health and free to grow, need very little pruning. Maples should not be ...
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| Specimen Tree for San Diego | 5/2/2009 |
Q: I'm looking for a nice specimen tree for a small residential yard in San Diego. Needs to provide ...
A: There is too many variables to give a good answer. There are many trees that will fit but it will ...
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| BIG cottonwood tree | 5/2/2009 |
Q: I have several of these trees on my property. I just noticed that one of them has a big split / ...
A: Remove any loose bark and spray the wound with an insecticide called Merit. This will keep wood ...
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| Roundup/Small Trees | 5/2/2009 |
Q: Will roundup sprayed around the bottom of a small tree kill it? I just planted a small live ...
A: No unless there was a cut into the bark where the Roundup could get to the cambium layer. Roundup is ...
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| Fat Albert Thinning | 5/2/2009 |
Q: I have a 6-7 ft Colorado blue spruce (Fat Albert) in a partial shaded raised bed about 3-4 ft from ...
A: I would do two things--water and fertilize. Fertilize with 10-10-10 fertilizer at the rate of 1 lb ...
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| green giant arborvitae | 5/2/2009 |
Q: What kind of fertilizer should I use for new trees?
A: Use 10-10-10 fertilizer at the rate of 1 lb per inch of trunk diameter scattered around the tree and ...
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| Tree Identification | 5/2/2009 |
Q: I make bird products from wood and I need a great book to help me identify diffreent trees so that I ...
A: The only reference I could find deals with perches and wood used in cages but it should also apply ...
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| moving a tree | 5/2/2009 |
Q: location-central OK I need to move 2 trees, both are about 4 years old. the first is a Japanese red ...
A: No this is not the time to move these trees. Deciduous plants may be moved in the spring as soon as ...
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| Bald Cypress roots | 5/2/2009 |
Q: I have a neighbor on the west side and north side of my backyard where I have a pool. The neighbor ...
A: Not a problem since the tree is 4 feet below the pool and behind a retaining wall. The roots will ...
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| Flowering Cherry Tree | 5/2/2009 |
Q: We have a pink flowering cherry tree that we purchased 2 years ago. Last year in the fall the ...
A: First make sure the tree is still alive--The small twigs should be flexible and can be bent without ...
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| Autumn Blaze Maple | 5/1/2009 |
Q: A few questions; if you don't mind. I had the city of Chicago plant a tree in my parkway last year. ...
A: My bad. I read right through Autumn Blaze maple. Autumn Blaze is a seedless cultivar, you won't ...
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| brown spots on new growht | 5/1/2009 |
Q: Is this a diseases Is this something to be concerned with and if so, what is your recommendation for ...
A: A leaf and twig spot disease on willow, caused by the fungus Marssonina, can result in unsightly ...
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| best tree for privacy screen in Houston TX | 4/30/2009 |
Q: I have a small yard and I am looking for a fast-growing tree that I can plant as a privacy screen ...
A: Almost any evergreen hedge type plant will work as long as you keep them pruned to the size you ...
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| Purple Robe Locust Tree | 4/30/2009 |
Q: We had a beautiful tree that was killed by boring insects, but since there were several small trees ...
A: Some cultivars of flowering trees are grafted on the root stock of other trees of the same species. ...
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| Autumn Blaze Maple | 4/30/2009 |
Q: A few questions; if you don't mind. I had the city of Chicago plant a tree in my parkway last year. ...
A: The flowers of the Maple contain both male and female parts instead of separate female and male ...
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| tree | 4/29/2009 |
Q: i live in south jersey and would like to know when is the best time to trim a flowering tree.i do ...
A: It will depend on the flowering tree. Some set the flower buds in the summer some in early spring. ...
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| Ants living in a Tree | 4/29/2009 |
Q: I have a beautiful cherry blossom tree that I am concerned about. My husband discovered that a few ...
A: When the bark of a tree is damaged decay fungi can enter and over time cause the tree to become ...
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| willow trees | 4/29/2009 |
Q: How far from other trees should a weeping willow be planted? Thanks, Lee
A: Willows like sunlight or partial sunlight so planting them under another tree will not be too good ...
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| Dying 100 year-old pink dogwood | 4/29/2009 |
Q: In doing a search about possbiel causes of the 100 year old dogwood in my yeard, I ran across an old ...
A: If the product used is a granular weed and feed product this will damage trees. The hollow is not ...
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| Oak tree | 4/29/2009 |
Q: I have a 30 year old oak tree that doesn't let grass grow under it. It is just bare dirt and looks ...
A: Not a good idea. The weight of the stones will compress the soil and damage the root system of the ...
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| Cherry tree | 4/29/2009 |
Q: last weekend, a 20 foot cherry tree and a 12 foot tall crabapple and I just wanted to know what ...
A: If you have not done so mulch around the trees with not more than 3 inches deep of organic mulch not ...
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| Bald Cypress roots | 4/28/2009 |
Q: I have a neighbor on the west side and north side of my backyard where I have a pool. The neighbor ...
A: This one is difficult to picture. The tree to the West that has a shed and cement basketball court ...
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| tree triming | 4/28/2009 |
Q: i live in southern delaware and would like to know when is the best time to trim a cherry blossam ...
A: Prune the tree in the summer, after you have harvested the fruit. While most fruit trees are pruned ...
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| liquidamber stump & roots | 4/28/2009 |
Q: After we apply Roundup to the Liquidamber stump, how long should we wait to have the stump ground ...
A: If the Roundup was applied in the spring I would wait about a month before grinding the stump. This ...
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| Oak balls | 4/24/2009 |
Q: We live in south central FL. Have an oak-sorry the squirrels planted it several yrs ago and I'm not ...
A: There are a variety of gall-forming species of small wasps that commonly infest oak, Quercus spp. ...
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| Borers | 4/24/2009 |
Q: I live in northeastern Oklahoma and I discovered bores in my Japanese Maple. They are about an inch ...
A: Borers will infest wounds and and can be controlled with the use of an insecticide called merit. ...
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| Question about 2 Japanese Red Maple Trees (dwarfs) | 4/23/2009 |
Q: 4/24/09 I just planted 2 Japanese Red Maple Trees (dwarfts)(planted about 2 days ago). They are ...
A: Sounds like they are too close to the walkway--when mature this tree has a spread of up to 15-20 ...
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| yellow leaves on oak tree | 4/23/2009 |
Q: I live in SE Texas (Houston area). I have an oak in my backyard(8" trunk at the base) whose leaves ...
A: When the tissue between the veins turn yellow, it is iron deficiency. The most common cause of iron ...
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| Weeping Pussy Willow Tree | 4/23/2009 |
Q: I saw them and fell in love. I would like to use them as a focal point near my house (close to ...
A: The roots will not give you any problem. I assume the pipe from the washer is sealed except for the ...
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| Weeping Cherry Tree | 4/23/2009 |
Q: Here in the south,my weeping cherry tree had just begun to bloom when a late cold snap killed the ...
A: First check to see if it is still alive. Start near the end of an upper branch and scrape a small ...
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| pin oak over sewer line | 4/23/2009 |
Q: I purchased a home recently and began having sewer issues due to one of the previous owners planting ...
A: Hard sewer pipes will not be crushed by the tree. If the sewer pipes are the old felt type this ...
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| Maple Tree has wood chips @ base | 4/23/2009 |
Q: Our maple tree was hit by high winds 3 yrs ago, lost major limb. tree surgeon who cut and cleaned up ...
A: No I do not think you will lose the tree. The living part of the tree is the layer of cells just ...
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| globe willow trees | 4/23/2009 |
Q: I have 2 globe willow trees in my yard. They are around 5 years old. They have always shed ...
A: I would do two things--treat the tree for the aphids and fertilize the tree. There is a product ...
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| royal empress tree | 4/23/2009 |
Q: I planted a small Empress about midway through last summer. It only grew to about a foot tall, with ...
A: Empress do look like long sticks fro the first couple of years. Once they establish a root system ...
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| Liquid Amber Seed Pods | 4/23/2009 |
Q: Is there a any chemical that can be sprayed on Liquid Amber Trees to prevent the development of the ...
A: There is a new product Florel® brand Growth Regulator (Liquidambar/Sweet gum). "Florel® brand ...
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| willow tree | 4/22/2009 |
Q: i am in process of buying a bungalow with a large willow tree about 15 feet from building can it be ...
A: It can be cut without damaging the foundation assuming it falls away from the building. Do not worry ...
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| Michigan Blue Spurces | 4/22/2009 |
Q: I moved to the garland area in Texas, we have heavy clay(Texas mud)and dirt. My question is my best ...
A: Blue spruce (Colorado Blue Spruce) Grows best in hardiness zone 3-7. Your seem to be just at the ...
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| northwest popular male | 4/22/2009 |
Q: an you take branches soak them in water to make seedlings and have them still remain a male
A: Yes they will remain male. Cuttings should generally consist of the current or past season’s ...
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| Maples | 4/22/2009 |
Q: I have a maple in my yard. It was there when I purchased the home in Aug. It seems to be about ...
A: Trees can be moved but each time you will have some root damage. So try to keep movement to a very ...
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| Weeping Willow tree | 4/21/2009 |
Q: I want to plant a weeping willow. I have a small pond, approx. 15' across. Also, I have a low area ...
A: It will do great in a damp area in fact this is the habitate they grow in. It will not bother the ...
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| Transplanting Japanese Maple | 4/21/2009 |
Q: we just transplanted a Bloodgood Japanese Maple a couple of day's ago,my husband did it with a ...
A: The proper way to transplant a tree is: Deciduous plants may be moved in the spring as soon as the ...
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| Large oak...dead? | 4/21/2009 |
Q: We have a very large oak in the backyard of our Hartsville, SC home. It turned brown in August last ...
A: Call the SC forestry Commission office and ask one of their Foresters to come take a look. BUT it ...
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| Fruit and nut trees and other | 4/21/2009 |
Q: I have several fruit and nut trees here in TN and on my land in MS. The problem that I am having is ...
A: The holes are from a bird. Sounds like sap sucker damage. These are wood pecker type birds that make ...
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| Maple Tree has wood chips @ base | 4/21/2009 |
Q: Our maple tree was hit by high winds 3 yrs ago, lost major limb. tree surgeon who cut and cleaned up ...
A: He is right it does not need to be treated with a wound dressing. I would treat the hole with an ...
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| Trees growing from the root system | 4/20/2009 |
Q: I have a bradford pear that has babies trees growing from it's root system, why and is it bad for ...
A: Bradford pear do have roots that will come close to or at the surface of the ground. And the roots ...
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| ornamental plum tree | 4/20/2009 |
Q: I have a beautiful ornamental plum tree in my backyard in New Jersey. About two weeks ago -- the ...
A: Black knot of plums and cherries is a widespread and serious disease throughout the United States. ...
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| colorado blue spruce | 4/20/2009 |
Q: How far do I need to stay away from a building for planting a colorado blue spruce concerning the ...
A: You should have not problems with Colorado Blue Spruce root system and the foundation. When mature ...
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| globe willow tree | 4/20/2009 |
Q: My Mother has a tree that she purchased from a hardware store the top of the tree was damaged before ...
A: There is always a chance but the yellowing leaves do not sound too good. Willows will sprout back ...
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| Time to trim oak trees | 4/15/2009 |
Q: When in Florida is the best time to trim oak trees & is there a time that you should not be trimming ...
A: While deciduous trees can be pruned anytime during the year, the best time to prune is late winter ...
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| dogwood tree | 4/15/2009 |
Q: My ten year old dogwood trees was fine last fall, it made the little pods at the end of the stems. ...
A: Check the upper out limbs--start near the end of the branch and scrape a small bit of bark off and ...
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| Round Up | 4/15/2009 |
Q: Is there anything less expensive I could use to kill the cluster of scrub oaks I have? If I use ...
A: Not true. Roundup will kill any green plant it get on but after it dries there is no problem ...
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| Tree selection | 4/15/2009 |
Q: I live in Las Vegas and would appreciate some suggestions for types of trees that would do well ...
A: Not a place for trees there is just not enough space for trees to grow. Live oak will grow way too ...
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| Crimson King Maple | 4/15/2009 |
Q: I have a Crimson King Maple in my front yard that is about 34 years old. I would love to have a ...
A: You can take cuttings of green wood about 8 inches long. Strip off all but the last couple of ...
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| Newly planted Live oak trees | 4/14/2009 |
Q: We just recently planted 16 live oak trees about 10-15 feet tall girth is about 3-4 inches. I have ...
A: Cut back on the water and water once a week with 1 inch of water--place a pan under the tree and ...
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| Dogwood weeping profusely after pruning | 4/8/2009 |
Q: An arborist recently pruned our huge Dogwood (early april) and the tree is weeping profusely after 2 ...
A: Bleeding of pruning wounds can be heavy on certain trees, such as birch, dogwood, sugar maples and ...
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| Weeping Willow | 4/8/2009 |
Q: We moved into an old house, in eastern Washington, and it has a weeping willow tree in the front ...
A: I would prune off the dead branches and the lower branches should become the new tree top. I would ...
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| Sunscald | 4/7/2009 |
Q: We have a maple tree that appears to have sunscald from an answer you gave previously to Harlie ...
A: Sunscald is another form of winter injury that can cause cracks and splits. Sunscald occurs when ...
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| corkscrew willow trees | 4/7/2009 |
Q: do i need to worry about a newly planted corkscreww willow tree roots damaging my septic tank piping ...
A: Willows like water and the roots are fibrous and will seek water. Do not plant it near a septic tank ...
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| New Globe Willow Tree | 4/7/2009 |
Q: I just planted a Globe Willow Tree this weekend, I live in West Texas is there anything I need to do ...
A: The main thing will be water--willows like and need more water than other tree species and do best ...
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| Spraying spanish moss | 4/7/2009 |
Q: I live in Tampa, Florida and have a small tree with spanish moss. The spanish moss is new and not a ...
A: The following materials are licensed for control of Spanish moss and/or ball moss: Chemical control ...
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| Cherry Trees freeze prevention | 4/7/2009 |
Q: The cheery tree is blooming and we are expecting temperatures tonight between 26 and 30 degrees. How ...
A: Frost will be the limiting factor hopefully there will be enough wind to keep the ice off the new ...
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| Seqouias near my pool | 4/7/2009 |
Q: I planted three Sequoias about five feet from my pool. Am I asking for trouble? Thanks.
A: It depends. Sequoia have a fibrous root system the can spread about 2-3 times the width of the ...
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| Live Oak (I think) | 4/7/2009 |
Q: I have a fairly young tree that I think is a Live aok. Guessing around 8 years old. It is ...
A: Sounds like sapsuckers wood peckers Most woodpeckers rely on insects and tree sap as their primary ...
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| Norfolk Pines | 4/7/2009 |
Q: I have several Norfolk pines (growing under very tall oak trees), which were doing beautifully until ...
A: I would leave them be, They are more than likely not dead but the needles are just damaged. The buds ...
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| tree removal | 4/6/2009 |
Q: i live in miss. iwould like to know how to remove a large cypress tree and the knees. some are under ...
A: Cut them down and treat the stumps of both the tree and the knees with a herbicide called Roundup. ...
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| Young cherry trees | 4/6/2009 |
Q: I just planted two cherry trees in my yard a couple of weeks ago. They are starting to get leeves ...
A: Frost will be the limiting factor hopefully there will be enough wind to keep the ice off the new ...
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| Trimming | 4/6/2009 |
Q: What time of year can you trim leland spruce ? I want to just trim some branch tips . also, what ...
A: Sun-loving conifers, those whose needles all need sun, can be pruned annually, but only gently ...
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| japenese coralbark blight | 4/6/2009 |
Q: Would planting a new coral bark in same place as old one that died of blight be a bad idea?
A: Yes you can plant back in the same spot. When you plant dig the hole twice the size of the rootball ...
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| DYING OAK TREE | 4/5/2009 |
Q: WE HAVE AN OAK TREE IN THE FRONT YARD ABOUT 3 YEARS OLD. ITS LEAVES ARE YELLOW AND ITS BRANCHES ...
A: Sounds like a gall insect. Galls are irregular plant growths which are stimulated by the reaction ...
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| Beetle-like bug boring into Maple trees | 4/4/2009 |
Q: I am seeing insects at base & crawling up bark of tree. Beetle-like black elongated body with red ...
A: I think you have a couple of insects. the ones with red edging sound like a boxelder bug or maple ...
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| Flowering Bradford Pear | 4/4/2009 |
Q: I have a Bradford Pear tree(about 10 years old) This is my first pear tree---it blooms very early ...
A: Bradfords will bloom once a year just before the new leaves bud out. To increase the blooming for ...
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| "Willow Globe Tree" | 4/4/2009 |
Q: how often should I water my willow globe tree? and when is the best time to water it in the mornng ...
A: Usually trees need 1 inch of water each week but willows need more I would water twice a week with 1 ...
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| Cherry Blossom | 4/4/2009 |
Q: I was wondering if you could tell me how deep a Yoshino Cherry trees root system develops. I need a ...
A: You should not have a problem with cherry. The vast majority of their roots are within the first 2-3 ...
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| Benlate / Capstan | 4/3/2009 |
Q: Your answer to black rot in an ornamental plum says to use Benlate and Captan. It seems Benlate is ...
A: I assume you mean black knot. Black knot of plums and cherries is a widespread and serious disease ...
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| Red Maple Roots | 4/3/2009 |
Q: We are about to have construction done on our house the entrance/ exit is to run very close to a ...
A: Adding more than 3-4 inches of soil of fill over a trees root will greatly damage the tree and more ...
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| Oak tree | 4/3/2009 |
Q: I have a young oak tree and this year I noticed on almost all the branchs red blister like clusters. ...
A: Sounds like a scale insect. These insects live under a "shell" lie a turtle and suck the plant ...
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| Live Oak Tree care | 4/3/2009 |
Q: I planted a Live Oak tree I planted 1 year ago it is about 9 ft. tall. It has only one main stem ...
A: No do not prune it. Let it grow and the branches will start. Oaks have the habit of when first ...
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| curly willow tree | 4/2/2009 |
Q: I am interested in planting a curly willow tree on my property. I am wondering if you can tell me ...
A: Willows like water and the roots are fibrous and will seek water. Do not plant it near a septic tank ...
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| DYING TOP BRANCHES ON WEEPING WILLOW TREE | 4/2/2009 |
Q: Approximately two years ago an ice storm broke some of the top branches off my weeping willow ...
A: Cut the dead branches and over time the lower branches will become the new top of the tree. I would ...
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| wheeping snow fountain cherry tree | 4/2/2009 |
Q: my name is Keith and I planted a weeping cherry tree in early spring of 2008. I regularly watered ...
A: To tell if the tree is dead start near the end of an upper branch and scrape a small bit of bark off ...
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| willow | 4/2/2009 |
Q: please can you tell me how to kill willow trees on our fishing club lakes as we have been told to ...
A: I think someone is feeding you a line of BS. Willows do not harm the water quality in fact They are ...
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| Hole in Poor Compartmentalizer Tree | 4/2/2009 |
Q: I read your response to a question on 3/2 and 3/3 regarding compartmentalization of tree holes. ...
A: There is not much that can be done except to keep the tree growing healthy by adding fertilizer once ...
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| Texas Red Oak | 4/2/2009 |
Q: We have a 14 year old Tx red oak that has white oval, maybe scale insects, and some are clusters on ...
A: It looks like bark lice Archipsocus nomas, the webbing bark louse. Bark lice are small, brown ...
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| Droppings from trees in Springtime | 4/2/2009 |
Q: What is is name of the tassel looking things that drop from trees this time of year (we have mostly ...
A: Those are the flowers from an oak tree called catkins. This is where the acorns come from. The ...
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| Liquid Amber | 4/2/2009 |
Q: I sure hope you can help me. I have a large liquid amber in my front yard that is breaking into my ...
A: You will need to use a herbicide to kill the tree. There are a couple of methods--one is to cut into ...
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| curly willow tree | 4/1/2009 |
Q: I am interested in planting a curly willow tree on my property. I am wondering if you can tell me ...
A: Salix matsudana ‘Tortuosa’ Salicaceae Corkscrew Willow, Contorted Willow, Dragon's Claw ...
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| PRUNING JAPANESE MAPLE | 4/1/2009 |
Q: Please tell me I haven't ruined my gorgeous Japanese Maple Tree. It had never been pruned to any ...
A: Never a good idea to top prune a tree especially a Japanese maple. It should grow back but it is ...
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| POST OAK FUNGUS | 4/1/2009 |
Q: I have several post oaks on my property. The bark on many of them is turning white looking like ash. ...
A: Sounds like Hypoxylon canker. The most obvious early symptom of Hypoxylon is the sloughing off of ...
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| Fruiting Bodies | 3/31/2009 |
Q: Red Maple has some rotting and fruting bodies at base of tree...bark damage.....How can you ...
A: There are several decay type fungi that will enter wounds on maple trees. The fruiting bodies are ...
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| fertilizing trees in the spring | 3/31/2009 |
Q: again. I'm the fellow on a steep slope on the western fringe of the Shenandoah Valley in Virginia ...
A: The 10-10-10 fertilizer would be the best for the money. It is an all around general fertilizer. Use ...
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| redbud tree | 3/31/2009 |
Q: hi jim i live in central arkansas have two huge redbbuds lost one last fall started losing foilage ...
A: For borer type insects there are a couple of ways to deal with them--one is to spray the trunk with ...
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| Big maple tree | 3/31/2009 |
Q: Our big maple tree had big branches cut last Fall. Now, it is leaking alot of sap. Any suggestions? ...
A: This is normal for maples. The increase pressure in the spring that draws the sap from the roots to ...
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| southern pine | 3/30/2009 |
Q: I recently damaged the bark on a couple pine trees while mowing, Is there anything I can do to help ...
A: As long as you did not cut through the bark into the wood all the way around the trunk the tree will ...
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| Hemlock Trees as Firewood | 3/30/2009 |
Q: Are Hemlock Trees good for Firewood? I cannot find them listed on any of the charts. What is thier ...
A: You can burn the wood from most trees for firewood. Hemlock gives off relative low heat, throws off ...
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| Insects on Fruitless Plum Tree | 3/30/2009 |
Q: Lillle yellow egg clusters, what appears to be brown aphids, ladybugs eating the yellow eggs? Good, ...
A: Ladybugs will kill the aphids. It will take a little while but they should clean up the problem. I ...
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| globe willow | 3/30/2009 |
Q: I planted the globe willow last year in march. the leaves were nice and green this year the top of ...
A: I would wait and see if it leafs out and if it does not go ahead and cut the top out. The lower ...
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| keeping a tree trimmed | 3/30/2009 |
Q: I think I made an error that I may have to rectify.I planted a Autumn Blaze Maple 2 years ago in a ...
A: Tree are tree and will grow to fairly large . This will grow at maturity to a height of about 30-50 ...
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| Will roots continue to grow after tree removed? | 3/30/2009 |
Q: I had a 7 foot philodendron (I think, but see photo). I removed the tree, cutting its roots, ...
A: These are not aerial roots but roots called adventitious roots . Adventitious roots are the ones ...
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| Ice Storm Damaged Birch | 3/29/2009 |
Q: I have a 30 ft tall river birch that sustained all sorts of damage during an ice storm in February. ...
A: If the limbs were not broken they will recover. The leaking is sap that is oozing from the wounds. ...
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| norway maple | 3/29/2009 |
Q: we have a Norway maple in full sun in our back yard. the yard slopes off to the south about 30 ...
A: Normally, twenty percent of the tree's roots can be cut before any signs of stress will appear, ...
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| japanese maple | 3/29/2009 |
Q: I have these green things that look like a cocoon hanging from my tree limbs and then they turn ...
A: Sounds like an insect called a bagworm. The common bagworm, Thyridopteryx ephemeraeformis ...
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| Split bark on maple trees | 3/29/2009 |
Q: We discovered verticle splits on the bark of two maple trees. Location is central ohio. Diameter of ...
A: Cracks and splits in tree trunks are fairly common and may occur for various reasons, but are ...
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| Morus albus | 3/29/2009 |
Q: I purchased two Morus alba trees for our school parkway in Redondo Beach, CA. The trees are suppose ...
A: The roots of fruitless mulberry are not a problem with adjacent walkways or drives. The roots will ...
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| Laurel Oak | 3/29/2009 |
Q: We have a laurel oak it bloomed out an got leaves on it but they seam to be drooping off again an ...
A: If you are talking about the mature leaves that are brown and dropping off in the early spring, this ...
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| Norfolk Pine | 3/29/2009 |
Q: I have a Norfolk Pine that was given to me when it was in a tiny pot and about 4" high. It has done ...
A: Do not remove the branches for awhile. They may leaf back out. If they do you should see the buds ...
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| moss in pecan trees | 3/29/2009 |
Q: We have 4 huge pecan trees covered in moss. I believe the moss is killing the trees but my husband ...
A: Sounds like Spanish moss. see picture. ...
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| Will roots continue to grow after tree removed? | 3/29/2009 |
Q: I had a 7 foot philodendron (I think, but see photo). I removed the tree, cutting its roots, ...
A: The leaves do look like a palm. Since the tree is cut and the stump removed there is no need to ...
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| Disease or insects on pine tree | 3/28/2009 |
Q: I live in Eastern Tn. The evergreens, I think MAY BE A TYPE OF CYPRESS have a cocoon like thing on ...
A: This is cedar apple rust. During warm rainy days in late April and early May, cedar trees infected ...
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| septic | 3/28/2009 |
Q: I must lay a septic pipe between two spruce trees which are approximately 60 feet high, 6 feet in ...
A: The roots of spruce usually spread about 1 1/2 times the width of the foliage. The roots beyond the ...
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| Will roots continue to grow after tree removed? | 3/28/2009 |
Q: I had a 7 foot philodendron (I think, but see photo). I removed the tree, cutting its roots, ...
A: Looks like a palm not a philodendron. Palm type trees do not have an extensive root system. Palms ...
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| River Birch and Septic Tank | 3/28/2009 |
Q: A river birch has been suggested for my back yard to provide shade for my deck. The location is on ...
A: They will not necessarily "tear up" the septic tank but the river birch as the name says likes water ...
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| Norfolk Pine | 3/28/2009 |
Q: I have a Norfolk Pine that was given to me when it was in a tiny pot and about 4" high. It has done ...
A: The ideal indoor climate for this species is cool and bright, responding well to daytime ...
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| norfolk pine | 3/28/2009 |
Q: I live 30 miles northwest of Baton Rouge, La. Do you think a Norfolk Pine can be grown outdoors in ...
A: USDA Zones 10 - 11. Norfolk Island pine is very tender and will begin to sustain damage at ...
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| small oak trees | 3/28/2009 |
Q: What are some good choices for short oak trees for the southeast that have the largest acorn? I have ...
A: Dwarf Chestnut Oak (Quercus prinoides) The Dwarf Chestnut Oak is a small deciduous tree native to ...
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| oak tree fungus | 3/28/2009 |
Q: I live in NC and see orange fungus growing on the bark of my large oak trees. It seems to be on dead ...
A: I am going to guess that it is close to Tremella mesenterica, the Yellow Brain Fungus. These are ...
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| Maple tree leaf color | 3/28/2009 |
Q: We have four different types of maples; October glory, red maple, Japanese red, Japanese green(can't ...
A: It could be the difference in the amount of sunlight they are getting. Maples in semi shade will ...
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| dogwood trees | 3/27/2009 |
Q: I have 3 mature dogwood trees in my back yard. About 5 years ago they were producing many ...
A: There are many possible reasons for a lack of flowering in plants, including age, light, excess ...
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| brown horned sacks on evergreen tree | 3/27/2009 |
Q: what are the brown horned sacks on my evergreen tree. How do I get rid of them?
A: Sounds like an insect called a bagworm. The bags are last years insects. They will contain eggs that ...
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| Japanese dogwoods | 3/27/2009 |
Q: We have 2- 30yr old Japanese dogwoods, planted in the same area. They are shedding their lower bark ...
A: Dogwoods do shed their bark as they get older. The green is more than likely lichens and will not ...
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| pin oak trees | 3/26/2009 |
Q: i planted two pin oak and two red maple trees in my about 5 years ago they were all about the same ...
A: Sounds like a soil problem causing iron chlorosis. This will also have a great effect on the growth ...
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| trees | 3/26/2009 |
Q: I have shallow roots in a 10ft.diameter around my 10 yr. old live oak tree, making it difficult to ...
A: Fill dirt frequently is added around existing mature trees so that a level or more visually ...
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| Wildfires before firetrucks? | 3/26/2009 |
Q: In Oregon we have alot of wildfires and there's alot of arguments about it. So my question is are ...
A: Most of the wildfires out West are caused by lightning storms. And in that sense they are natural. ...
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| Birch tree and sewer line | 3/26/2009 |
Q: I Live in western washington st. I am considering planting some Birch trees in my yard. However, ...
A: As long as there is not leak in the sewer line the roots will not be a problem. Roots will seek out ...
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| Dwarf Tree recommendations? | 3/26/2009 |
Q: You're my last resort.I have spent thousands of dollars on my yard. Now VA Dominion is going to ...
A: Here is a list of ornamental trees of different sizes some are small. ...
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| squirrel damage to silk floss trees | 3/25/2009 |
Q: I have 2 large silk floss (mimosa) trees here in Southern California. The bark is being striped from ...
A: The living cells of a tree are just under the bark and if these cells are girdles all the way around ...
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| mulching around trees | 3/25/2009 |
Q: I live on a ridge on the western side of the Shenandoah Valley in Virginia. I've got a patch of ...
A: No mature trees do not need a mulch around them. The mulch serves a couple of purposes--as a newly ...
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| oak trees loosing bark | 3/25/2009 |
Q: I live in central texas and the land is covered with oak trees. I have recently noticed several ...
A: It is drought related and the tree are under stress and more than likely has be infected by a ...
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| Birch tree and sewer line | 3/25/2009 |
Q: I Live in western washington st. I am considering planting some Birch trees in my yard. However, ...
A: Birches and sewer lines do not mix well. Trees and shrubs are much riskier choices for the drainage ...
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| transplat of leyland trees | 3/25/2009 |
Q: I live in North Georgia. I need to transplant 5 Leyland trees that are about 6 to 7 ft tall. How do ...
A: Evergreens should be moved earlier in the fall than deciduous plants so they have time to form new ...
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| Root removal after tree and stump removed | 3/25/2009 |
Q: We bought a house with a diseased pine tree that we had removed by a tree removal company three ...
A: Yoo can treat it like it was a stunp. The organisms that rot or decay wood are called fungi. Fungi ...
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| japanese maple dying? | 3/25/2009 |
Q: I recently used a Safer brand insect soap on the maple, it was covered in tiny bugs. It didn't say ...
A: They should recover. I think what happened is it was sprayed on the tender newly opening leaf buds ...
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| My Cherry Tree... | 3/24/2009 |
Q: Last year I had a shed / art studio built in my garden. Behind my fence is a beautifull pink cherry ...
A: Not much that can be done except wait and see if it leafs out. Fertilizer will help the blooming for ...
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| Dwarf Tree recommendations? | 3/24/2009 |
Q: You're my last resort.I have spent thousands of dollars on my yard. Now VA Dominion is going to ...
A: I would check with the Virginia Cooperative Extension Service and ask one of their specialist to ...
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| Transplanting a Redbud Tree | 3/24/2009 |
Q: I want to transplant a small redbud tree from an area that is about to be under construction. The ...
A: If you can it would be much better to wait and not move the tree twice. Each time you transplant a ...
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| silver maple bark and bores | 3/24/2009 |
Q: We have a silver maple that is peeling bark and one huge limb appears to have been killed by bores. ...
A: It sounds like a decay fungi. More than likely came in as a result of the borer wounds. There is not ...
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| Red Maple Tree Damage | 3/24/2009 |
Q: My neighbor came by the other day concerned about a subject tree with damage and belief of it's ...
A: Carpenter ant nests are very common inside trees, especially older trees that are hollow or have a ...
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| Is my tree dead | 3/24/2009 |
Q: Jim: My wife and I have just purchased a repo home here in Northern Cal. The property has sat for ...
A: That means the root system is still alive and the tree may sprout back from the roots. About all ...
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| Weeping trees for a Florida yard. | 3/24/2009 |
Q: Can you recommend a weeping tree for a yard in Florida? (no lake or pond on land)
A: Weeping Willow is a beautiful, graceful tree when placed out in the open with adequate water and ...
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| Pruning Junipers | 3/23/2009 |
Q: Our house near Atlanta was landscaped with 2 juniper trees at the edges of the garage. They are both ...
A: Topping tree is not usually a good thing for them. Height reduction works best on small trees by ...
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| Moss or Lichen on Red Oak trees | 3/23/2009 |
Q: I was told I had lichen on my red oak trees and that I could control it organically by spraying it ...
A: Lichens are an example of a symbiotic relationship between algae and certain fungi. They are capable ...
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| spraying herbicide on pine seedlings | 3/23/2009 |
Q: What type herbicide can I spray on newly planted loblolly pine seedlings, planted in a field to kill ...
A: This is not a easy question with out knowing the type of weeds, grasses and brush that needs ...
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| repair of a split branch | 3/23/2009 |
Q: I have a young tree that has a split branch as a result of heavy winds. I do not want to prune it, ...
A: You can try it but it is a slight chance that it will work. Some species do well while other fail. ...
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| Cyprus Knees | 3/23/2009 |
Q: I have a 30 foot Cyprus tree in my back yard that has so many knees that it's almost impossible to ...
A: The "cypress knees" usually only develop when grown in or near water for most of the year. In wet ...
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| silver maple bark and bores | 3/23/2009 |
Q: We have a silver maple that is peeling bark and one huge limb appears to have been killed by bores. ...
A: Spray the wound area and the trunk near it with an insecticide called Merit. This will kill the ...
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| So. Cal. pruning of while birches | 3/23/2009 |
Q: I understand that certain borers can infest white birches during/around pruning. Is this true, and ...
A: Prune only when the tree is dormant if possible. This puts less stress on the tree. It can also ...
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| Prunne a B&B Live Oak | 3/22/2009 |
Q: I got 26 B&B Live Oak from Dallas TX area to El Paso TX back in October 2008, The drop 100% of the ...
A: I assume B&B is Bagged and Burlap a method of shipping trees so the roots will not dry out. If your ...
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| Spanish moss removal | 3/22/2009 |
Q: How do we remove this moss other than picking it out? Is there a solution mixture we could use? If ...
A: The following materials are licensed for control of Spanish moss and/or ball moss: Chemical control ...
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| snow fountain weeping cherry | 3/22/2009 |
Q: I panted my snow fountain weeping cherry tree last year. It is in a wind protected area, mulched ...
A: Are other cherry trees in your area blooming now? If so then you need to check to see if your tree ...
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| cedar tree fertilization | 3/22/2009 |
Q: I have a two hundered foot cedar hedge, three trees deep, spaced about three feet apart. The ...
A: These are trees and as such as they grow taller the lower branches will be shed. To keep them as a ...
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| red lace leaf Japanese maple drawf | 3/22/2009 |
Q: A Beaver got to our beautiful 4' tall 6' wide Japanese maple all the way around and up some, can I ...
A: If it cut all the way around the trunk the part above the cut more than likely will die. The living ...
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| caring for bradford pear trees | 3/22/2009 |
Q: We love the Flowering Bradford Pear Trees and purchased 10 to put along our driveway last year. We ...
A: The sprouts coming on the lower part of the tree should be pruned off--they will make the tree look ...
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| nails in cedar tree | 3/22/2009 |
Q: We have a huge cedar tree in our back yard that I would like to build a tree house in using small 1 ...
A: The nails will not kill the tree. In most species of trees the nail hole could allow decay fungi to ...
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| Maple tree bark | 3/22/2009 |
Q: I have some pictures attached. I am concerned about the bark peeling from my Maple tree. Should I be ...
A: Looks like decay fungi more than likely from a wound maybe from an insect called a borer. There is ...
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| Is my tree dead | 3/22/2009 |
Q: Jim: My wife and I have just purchased a repo home here in Northern Cal. The property has sat for ...
A: Check the upper out limbs--start near the end of the branch and scrape a small bit of bark off and ...
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| live oak tree | 3/22/2009 |
Q: I just moved to my new house the builder planted to big live oak trees its been 2 months and the ...
A: Sometimes when a tree is planted the shock of the planting will cause the tree to lose leaves. Oaks ...
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| tree with seed pods | 3/21/2009 |
Q: My friend and I were walking through and old cemetery and I noticed these pods that had fallen from ...
A: There are several trees that have pods. Honey Locust, Black Locust and Kentucky Coffee tree are the ...
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| starting trees & shrubs from clippings | 3/21/2009 |
Q: Can you start trees and shrubs from clippings? How? what time of year is best to do this? What site ...
A: Yes some species of trees can be started (propagated) by cuttings. Here is a web link that will give ...
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| black rot/ or some kind of fungus | 3/20/2009 |
Q: I have an ornamental plum tree which for the past 6 years has been producing plums. Now it has a ...
A: Black knot can be managed by pruning out and destroying all galls infecting the tree. Prune trees ...
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| Live oak tree planting distances | 3/20/2009 |
Q: What is minimum distance live oak trees may be planted from each other?
A: It depends on what you want the planting to look like when mature. If you want open grown trees that ...
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| Oak Tree Roots | 3/20/2009 |
Q: Our large Oak in front of our Florida home has a lot of it's root exposed. Should we cover with dirt ...
A: You can add as much as 3 inches deep of top soil over the roots without causing any damage from ...
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| birch tree seep holes | 3/20/2009 |
Q: I found two small holes in one limb on my birch. I had to move back some bark, when I did the holes ...
A: Sounds like the birch borer. One of the ways to control the borer is to use something to dig it out ...
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| Pruning leland cypress | 3/20/2009 |
Q: I live in North Carolina ( gaston county) and I would like to know the best time of year to prune ...
A: Pruning: Little and often is the key, that way it doesn't get carried away and give you a massive ...
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| tree roots | 3/20/2009 |
Q: in a drought situation would an old tree, extend and enlarge its roots to an abundant water source, ...
A: Tree roots seek out water. This will vary by species--species like willow, river birch are more ...
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| Hemlock trimming | 3/19/2009 |
Q: I have a "fence" of hedge grade hemlock (they are more like trees than shrubs) and are much too ...
A: Hemlocks are trees and not hedges. Topping tree can kill them or on the very least cause them to ...
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| topping off hemlocks | 3/18/2009 |
Q: I live in upstate New York and have some hemlocks which were planted several years ago. Is it OK to ...
A: By all means let it grow. Topping tree can kill them or on the very least cause them to become ...
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| to kill a Meliluka tree | 3/18/2009 |
Q: How and when is the best time to kill a Meliluka tree? We live in Florida and the trees are on the ...
A: There are a couple of ways to kill melaleuca, both involve the use of a herbicide. One is using what ...
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| replant a river brich | 3/18/2009 |
Q: I have a river brich tree in my yard that is not growing ,its in a bad location i've had it{tree}for ...
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
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| Effects of pruning on other branches | 3/18/2009 |
Q: I have a fruitless mulberry and I was wondering if the removal of some of its branches would at all ...
A: Trees such as maple, elm, birch, and fruitless mulberry often experience sap flow or “bleeding” from ...
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| How to prune my Weeping Willow Tree | 3/17/2009 |
Q: My husband and I just moved into a new home and there is a 6 foot Weeping Willow tree in the front ...
A: A weeping willow tree is one of those trees that you can prune if you wish and don't have to if ...
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| Globe Willow pruning | 3/17/2009 |
Q: I live in near Tulsa, OK. This globe willow was planted early last spring. The fork in it is at ...
A: A young tree is the time to remove fork making a single trunk tree. I would go ahead and prune off ...
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| granny smith apple tree | 3/17/2009 |
Q: Jim, my 50 year old granny smith apple tree is in poor shape. I inherited it 3 years ago. There is a ...
A: This question is to complex to answer without seeing the tree. Sounds like the tree needs a good bit ...
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| White Rot? | 3/17/2009 |
Q: We purchased about 16 acres in northern Tennessee about 6 years ago. Neither my husband or myself ...
A: Yes it is a free service no matter how many questions. There are other experts on plants I deal with ...
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| White Rot? | 3/17/2009 |
Q: We purchased about 16 acres in northern Tennessee about 6 years ago. Neither my husband or myself ...
A: The mushroom is from a decay fungi that is in the wood of the tree. The mushroom is the fruiting ...
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| locust trees | 3/16/2009 |
Q: For the past two years, my mom's locusts trees have been infested with green worms, about one inch ...
A: There are a least two caterpillars that will feed on locust trees. The most common is Clouded ...
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| White Rot? | 3/16/2009 |
Q: We purchased about 16 acres in northern Tennessee about 6 years ago. Neither my husband or myself ...
A: Sounds like lichens. When lichen is wet from rain or dew, it grows actively. It also likes sunshine, ...
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| Leaking tree root | 3/16/2009 |
Q: Last year we had our silver birch trimmed in our garden, this year we have recently just replanted ...
A: This is normal. Do not worry about it the tree will heal over the wound by itself. In the spring the ...
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| Tree anchors | 3/16/2009 |
Q: I want to install a zip line in my backyard for my granddaughters. Can I install eye bolt anchors to ...
A: Use steel bolts and run them through the tree trunk and fastened with a large washer. Tighten the ...
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| sugar maple tree | 3/16/2009 |
Q: Our tree had some branches cut off last week, due to Detroit Edison. We live in Michigan and spring ...
A: This is normal for maples that are pruned in the spring. But do not worry about it the leaking will ...
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| dwarf blue spruce trimming | 3/15/2009 |
Q: I have about a 5.5ft blue spruce in the front of my house and has grown to almost completely cover ...
A: It will create a bush, not a tree. The leader is something that provides the vertical growth to the ...
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| Effects of pruning on other branches | 3/15/2009 |
Q: I have a fruitless mulberry and I was wondering if the removal of some of its branches would at all ...
A: Yes in general the growth of a tree is spread out over the folaige and the limbs and if there is ...
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| Pruning/trimming | 3/15/2009 |
Q: 5 yr and you can sey that they are mature trees(25ft)Do you tink we need to prune them on the top so ...
A: Yes you can use the 10-10-10 for any of the tree species but I would use only the spring application ...
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| dead crown in aspen tree | 3/15/2009 |
Q: I have a 30-40ft aspen tree that has been neglected for some time. It has a ten foot section in the ...
A: Sounds like either the top was damaged by a storm or maybe a borer insect infested the top and ...
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| Historis Japanese Cut Leaf Maple | 3/15/2009 |
Q: Recent snow damaged a main branch of this historic 150yr tree. Altough the majority of the tree is ...
A: No the branch can not be reattached. The best thing to do is where the branch broke off at the ...
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| Cherry trees | 3/14/2009 |
Q: Mirella
A: Cherry trees grow at about a normal rate BUT this all depends on the soil they are planted in, the ...
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| Pruning/trimming | 3/14/2009 |
Q: 5 yr and you can sey that they are mature trees(25ft)Do you tink we need to prune them on the top so ...
A: Pruning will not help in adding foliage to the crown. I would fertilize the trees with 10-10-10 ...
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| crimson maple tree | 3/14/2009 |
Q: My crimson maple tree has two limbs that have a split and sap is leaking down the trunk. Do i have ...
A: It sounds like an insect called a borer. These will bore into the trunk and the tree will exude sap. ...
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| Momosa with Fusarium Wilt | 3/14/2009 |
Q: Can I use a dead Momosa with fusarium wilt for firewood indoors?
A: Mimosa wood burns clean and will have no problems with sparking and residue buildup. It is a fairly ...
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| tree pruning | 3/13/2009 |
Q: What will happen and can anything be done if a young maple was topped off. I guess you'd say the ...
A: It is never a good idea to top a tree. The most common reason given for topping is to reduce the ...
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| tree damage | 3/13/2009 |
Q: You mention a host of products for borer protection..and thank you for that. But where do I buy ...
A: It will depend on what borer and/or tree species you are protecting. Most trees do not come under ...
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| eastern red cedar replanting | 3/12/2009 |
Q: When is the best time to replant eastern red cedar? How big can they be when digging them up from ...
A: Evergreens should be moved earlier in the fall than deciduous plants so they have time to form new ...
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| leaking tree! | 3/12/2009 |
Q: I live in upstate SC and have a river birch in my front yard that is about 10 years old. We had ...
A: This is normal. River birch transpire a great amount of water-this is especially true in the spring ...
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| Texas Red Oak Tree | 3/12/2009 |
Q: I have three Texas Red Oaks...one has the trunk peeling with whitish mushroom looking spores or ...
A: Sounds like a decay fungus. The mushrooms are the fruiting part of the fungi. When a tree is wounded ...
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| what does Tree Gall contains? | 3/11/2009 |
Q: i am doing a little school project research on tree gall...what does the gall grow on the tree bark ...
A: An oak gall is a curious ball-like tumor, about the size of a small marble, that grows mainly on the ...
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| Jacarunda | 3/10/2009 |
Q: did anyone find out where one can be purchased in FL? Heard about this tree but where can we find ...
A: I am not from that area so I have no experience with nurseries in Jacksonville. Here is a web link ...
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| leaking water from cut river birch | 3/10/2009 |
Q: Due to recent storms in our area we had to have our river birch tree trimmed back. It stands higher ...
A: This is normal for river birch. They produce a large amount of sap during the spring and if there is ...
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| weeping willow damaged | 3/10/2009 |
Q: I noticed a woodpecker on our weeping willow and went to look at the tree. It looks bad. There are a ...
A: Sounds like sap sucker damage. These are wood pecker type birds that make the holes and when insects ...
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| Trees for inside porch | 3/10/2009 |
Q: Good morning. I live in Medford, MA (I think zone 7a), and I would like to put 2-3 trees on my ...
A: I think you will find that a tree is not the plant for inside. They get too large. By definition a ...
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| Magnolia Tree removal | 3/9/2009 |
Q: We are trying to remove a Magnolia tree that was planted approximately 15 to 20 years ago because we ...
A: Magnolias have a very unusual root system. It has tap-roots, but their feeder roots are soft and ...
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| pine tree's needles all brown | 3/9/2009 |
Q: We just noticed our large pine tree's needles all are brown. Has the tree died over the winter or is ...
A: If all the needles are dead and no needles are green then I am sorry the tree is dead and will not ...
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| Raywood Ash Tree problem | 3/7/2009 |
Q: I planted a Raywood Ash tree last June and it has been growing well until recently. I noticed that ...
A: This is the damage of an insect called a borer. This looks like the ash clearwinged borer. The first ...
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| Exposed tree roots........ | 3/7/2009 |
Q: I have an approximately 35-year-old Chinese Elm in my front yard. It is probably 50-60 feet tall, ...
A: "Shaving" the roots will cause fungi to enter and may cause die back of the tree's foliage and/or ...
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| Will our cherry blossom tree re-grow | 3/7/2009 |
Q: our cherry blossom tree has been accidentally cut right down to stumps (ie. main stump and about 5 ...
A: It should go sprouts from the stump like most hardwood trees. By mid may you should have sprouts. If ...
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| locust tree | 3/7/2009 |
Q: I live in southwest Nebraska and have a mature locust tree (50ft. at least). Two years ago there ...
A: There are a least two caterpillars that will feed on locust trees. The most common is Clouded ...
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| What type of seed to grow rootstock for maples for grafting? | 3/6/2009 |
Q: I would like to know which type of maple seed can be used to grow rootstock to graft maples. I have ...
A: Rootstock is the rooted part of the graft to which the scion is grafted. The scion and the rootstock ...
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| direction | 3/5/2009 |
Q: on which side of a tree does moss grow
A: Most people would say the North side of the tree. It’s not exactly true that moss only grows on the ...
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| Bore Worms | 3/5/2009 |
Q: I've lost 2 plum trees and 1 young peach tree due to bore worms. I want to replant. How do I treat ...
A: The soil is not where these insects spend a good deal of their lifecycle. The entire life cycle of ...
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| live oak trees | 3/5/2009 |
Q: something is makeing small holes around the trunk and limbs.They are about one quarter of an inch ...
A: If these holes are in a line around the trunk they are caused by a wood pecker called a sap sucker. ...
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| "sucker" removal without damaging the tree | 3/5/2009 |
Q: I have a beautiful non-fruit bearing tree (cherry?) that has many suckers sprouting from around the ...
A: Sucker or sprout from the lower part of the tree can be remove without harming the tree . In fact ...
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| Catalpa Tree | 3/4/2009 |
Q: I have a "very large" Catalpa tree in the yard of our rental property which is protruding into the ...
A: Spring flowering trees are usually pruned after they bloom, but in reality you may prune catalpa ...
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| wild cherry trees | 3/4/2009 |
Q: What can I do to keep my wild cherry tree from having cherries on it?I read some where to spray it ...
A: Thiram is a fungicide. Registered for control of scab, rust, and summer diseases of apples. A ...
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| Globe Willow Tree | 3/4/2009 |
Q: Will the Globe Willow Tree grown in southern Texas. We are real close to the Mexican border and it ...
A: They aren't really Texas friendly trees. Willows like plenty of water and that would be the limiting ...
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| New Growth on Blue Spruce Dying | 3/4/2009 |
Q: I have read quite a few of the questions you have answered online. You certainly know far more than ...
A: I would try Bayer Advanced Tree and Shrub Insect Control insecticide. This is used for sucking type ...
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| New Growth on Blue Spruce Dying | 3/4/2009 |
Q: I have read quite a few of the questions you have answered online. You certainly know far more than ...
A: I think the problem is the manure. A concentration of fresh manure can also burn the tree causing ...
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| newly planted ponderosa pine trees | 3/4/2009 |
Q: I have had planted a number of Ponderosa pines here in CO and don't know how much to water them. ...
A: Newly planted trees need about 1 inch of water per week. Place a pan under the tree and turn the ...
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| Triple Birch vs.Driveway | 3/4/2009 |
Q: We have a triple birch,15 yrs. old,next to the driveway.It has caused cracking and shifting.We plan ...
A: You did not say how close the tree is too the driveway. Root barriers can be installed along the ...
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| plugging a hole in a tree knot | 3/3/2009 |
Q: I have a mid sized oak tree that had a large limb at the bottom removed some time in the past ...
A: Do nothing and let nature take its course. Some folks have sprayed instillation foam in the hole to ...
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| lilac tree | 3/3/2009 |
Q: I need to move a lilac tree now or else it will be moved and ruined this summer. is it still a good ...
A: Early spring until late spring, from when the lilacs develop buds until they actually have small ...
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| plugging a hole in a tree knot | 3/2/2009 |
Q: I have a mid sized oak tree that had a large limb at the bottom removed some time in the past ...
A: A tree cavity is similar to a cavity in your tooth. Without proper treatment, the situation will ...
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| Identification of trees | 3/2/2009 |
Q: I recently returned from australia and while their saw many evergreen trees that looked like a pine ...
A: Sounds like Norfolk island pine. Araucaria heterophylla or Norfolk Island Pine or Australian Pine is ...
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| Aspen tree trimming | 3/2/2009 |
Q: We recently had our Aspen trees trimmed. They trimmed some branches right up to the trunk (cut into ...
A: Aspens tend to bleed if done in the winter or early spring. Pruning cuts should be made just outside ...
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| GLOBE WILLOW'S STARTING FROM A BRANCH | 3/1/2009 |
Q: I LOVE THE LOOK OF GLOBES. I KNOW PEOPLE HAVE TOLD ME THEY CAN BE STARTED FROM A BRANCH. CAN YOU ...
A: Yes willows root easily. Take a cutting from second year twigs about 12 inches long. Dip the ends ...
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| copper sufate | 3/1/2009 |
Q: Where can I buy copper sulfate?
A: Any nursery should have it check with your local nursery. Copper sulfate is also called Agritox, ...
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| Leylan Cypress Trees | 3/1/2009 |
Q: I planted 22 leylan cypres trees in the fall of 2007. All trees have survived but my anticipated ...
A: Leyland cypress has what is classified as a fast growth rate. “Rate of growth refers to the ...
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| Tree hit by car | 3/1/2009 |
Q: We have a 20 year old red maple with a diameter of 1.5 feet. A car hit it last night and took all ...
A: I would remove any loose bark from around the wound and if the "split chuck" is sticking up try to ...
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| Liquid Amber Tree | 3/1/2009 |
Q: The top roots of my Liquid Amber are growing up to (thru, under?) the foundation of my house. Do I ...
A: This tree is too large a species to be 1- feet from the house. At maturity it can reach 60-75 feet ...
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| Pine Stumps | 2/28/2009 |
Q: will putting pine stumps for cover into a small fish pond be harmful to the fish?
A: No nothing in the wood of pines will cause fish any problems. Christmas trees )a conifer like pine) ...
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| Mulberry tree in AZ | 2/28/2009 |
Q: How do I get rid of a mulberry tree? It's about 8" in diameter at the base and I've removed 3/4th ...
A: You can either cut it down and paint the fresh stump with a herbicide called Roundup OR make cuts in ...
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| Holly trees | 2/28/2009 |
Q: I would like to transplant a 2 foot high Holly tree. What type of soil is best and is it better in ...
A: A holly bush needs a lot of sunlight to grow. It can be planted in the direct, full sunlight and ...
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| southern live oak trees | 2/27/2009 |
Q: this is now the end of Feb. i live in south al. i would like to know if i can transplant souther ...
A: Yes. Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until ...
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| Princeton elm | 2/27/2009 |
Q: Last year we had two Princeton elms planted in our back yard (Central Pa). Insects were a problem ...
A: It will depend on what type insects are infesting your elm. Those that eat leaves or suck the plant ...
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| Tulip Poplar Flowering - prevent it ? | 2/27/2009 |
Q: Afternoon, Is there anything I can spread/spray on my mature tulip poplar to prevent it from ...
A: There are chemicals but timing is the thing--usually the flowers will be formed as the new leaves ...
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| Oak tree/Ft. Worth TX | 2/27/2009 |
Q: I have an oak tree in my front yard that I assume is about 10-12 years old. In August 2008, I was ...
A: Most hardwood trees will drop their old leaves before they put on new ones. some oaks wait until the ...
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| Maple Tree Leaking Water | 2/26/2009 |
Q: I have two rather old maple trees 60+ years. Lately I have noticed that the trees are wet on the ...
A: Sounds like slime flux or wetwood. The foul smelling liquid that oozes from wounds in the bark or ...
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| Apple Tree | 2/26/2009 |
Q: My neighbour has a small Apple tree in her garden which is diseased, she has tried for many years to ...
A: The root system will sprout back so you will need to paint the freshly cut stump with a herbicide ...
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| magnolia bush/tree | 2/26/2009 |
Q: I have a magnolia bush made to look like a tree. Last fall I moved and transplanted it. All winter ...
A: Since I do not have a crystal ball and also do not know the details of the transplanting--type of ...
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| Trees | 2/26/2009 |
Q: I like cottonwood trees for their beautiful shape and fast growth. I am concerned that the roots ...
A: Cottonwood trees are not a problem IF they are male trees or cottonless trees. This species has a ...
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| Persimmon tree reaching into pool | 2/26/2009 |
Q: My neighbor has a persimmon tree planted about 5-6 feet from my pool. Would the tree roots reach ...
A: A tree planted that close to a pool is asking for problems. The roots will spread about 1 1/2 times ...
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| paper bark maples | 2/26/2009 |
Q: does the bark of the paper bark maple defoliate in late winter? the bark on the main truck is ...
A: This is normal. Under the peeling bark will be smooth. Actually the only the outer layer is peeling ...
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| Planting a Tree | 2/26/2009 |
Q: I recently helped out in planting (4) Chanticleer Callery Pear trees in a nearby cemetery and am not ...
A: It does matter. The wire and the burlap can cause the trees roots to not grow out into the adjacent ...
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| TREE ROT | 2/25/2009 |
Q: I have a large oak tree in my back yard. There are two places where limbs have been removed and it ...
A: A tree cavity is similar to a cavity in your tooth. Without proper treatment, the situation will ...
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| Popular trees | 2/25/2009 |
Q: I have popular trees about two years old growing at my house (12 FEET from house) and a neighbour ...
A: The roots will turn when they reach a foundation, and if the foundation is not broken and leaking ...
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| maple tree leaking clear liquid | 2/25/2009 |
Q: We have a 20+year old "healthy" maple tree (actually multi-branched sucker from original tree that ...
A: The bark of maple tree is very thin and the woodpecker (sap sucker) makes the holes into the cambium ...
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| English Oak | 2/24/2009 |
Q: I live in the SF Bay area, about 1/2 mile from the bay. I have a 22 year old English oak in the ...
A: Sounds like a disease called Hypoxylon Canker. This disease attacks trees under stress and the ...
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| orange tree weeds | 2/24/2009 |
Q: I was told a orange tree should be weed free from the trunk to the drip line. One nursery said I ...
A: According to the U of Florida extension Service Roundup is and can be used to control weeds and ...
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| Mulberry pruning | 2/23/2009 |
Q: when is the best time to prune mulberry trees is march to late my tree is starting to bud and i do ...
A: Deciduous trees like mulberry trees are best pruned when the leaves are dormant. Late fall or early ...
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| Crooked Willow | 2/23/2009 |
Q: A florist gave us some rooted crooked willow branches that are about two feet tall. When and where ...
A: Yes they are sometimes used in floral arrangements and can be rooted and planted in the yard. ...
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| Willow tree damage | 2/22/2009 |
Q: My wife and I planted a young weeping willow tree recently. After returning home from work one day ...
A: Willow trees will sprout very easily. Just remove the broken branches and the tree should sprout ...
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| Gamble Oak Trees | 2/22/2009 |
Q: I have many gamble oak trees that surround my property that produces loads of dropped leaves. I ...
A: Oak leaves, whole, have tannic acid a preservative in them so they do take time to start getting ...
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| Sand Cherry | 2/22/2009 |
Q: I'm new at this tree/bush planting and have a question regarding our Sandy Cherry bushes. we live on ...
A: Yes. There are generally two types--those growing from seed and those sprouting from the root system ...
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| Japanese maple | 2/22/2009 |
Q: I have a problem w/ japanese beetles getting on my japanese maple. I sprayed tree, which kept ...
A: there is anew product that is applied to the soil around the tree and this protects the tree from ...
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| White Spruce pruning | 2/21/2009 |
Q: Ok, I read your entry saying that I shouldn't trim off those lower branches of my spruce, but it is ...
A: If the limbs are low and near a walkway they should be pruned. The best time is before spring so ...
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| Cherry Laurel doesn't bloom | 2/21/2009 |
Q: I purchased a Cherry Laurel 2 years ago that had suffered wind damage at its nursery. It also had ...
A: Sounds like it needs fertilizer but not a nitrogen type fertilizer. Whenever you see a fertilizer ...
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| Silver Hybrid Maple | 2/21/2009 |
Q: Just this Winter we had a bad Ice storm that split one of our maples. The tree seems to be healthy ...
A: In the past, part of the standard recommendation has been to apply a generous coating of an approved ...
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| Diseased Tree | 2/19/2009 |
Q: I have a tree in my garden which I think is a cherry blossom tree. It flowers with beautiful pink ...
A: Sounds like Cherry -- Leaf Spot. Cause: Blumeriella jaapii (formerly Coccomyces hiemalis), a ...
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| pine tree health | 2/19/2009 |
Q: We just bought a foreclosed home in phx az and it was probably vacant for a couple months and not ...
A: A tree needs about 1 inch of water per week. The best way to measure this would be put a pan under ...
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| Tree | 2/17/2009 |
Q: I have a tree in my front yard the person who lived here before me planted it from the woods. No one ...
A: The "green stuff" growing on the bark is a lichen and will not cause any health problems to the ...
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| Norfolk Pine | 2/6/2009 |
Q: Our office has a community Norfolk Pine, the branches have begun to curl under. What is causing the ...
A: I suspect a watering problem. Perhaps the heat vent dried out the soil to a point that even when you ...
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| Damaged Magnolia w large | 2/5/2009 |
Q: I bought a house recently in Kentucky with a large healthy magnolia in the front yard (NW exposure). ...
A: No tar never should be used but the pruning paint could. But I think it best to trim the loose bark ...
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| Crimson King Maple Tree | 2/5/2009 |
Q: I have a 16 year old crimson king maple tree and the bark is coming off near the bottom of the tree ...
A: Sounds like sun scald. Sunscald and bark cracks occur mostly on the south and southwest sides of ...
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| Damaged Magnolia w large "peel" area | 2/5/2009 |
Q: I bought a house recently in Kentucky with a large healthy magnolia in the front yard (NW exposure). ...
A: I would just remove any loose bark from around the wound and prune any broken branches and not use ...
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| root system of oak trees | 2/4/2009 |
Q: Does an oak tree have a fibrous or tap root system? How deep do the roots usually grow?
A: It is generally a rather shallow root system that is composed of many smaller fibrous roots. The ...
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| Valley Oak Decay Column Treatment | 2/4/2009 |
Q: I have a large old Valley Oak that just had the end of a lower branch removed because it appeared ...
A: IF I am reading this right you cut the end off a dead branch and now see dead decaying material on ...
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| Magnolia or Bay tree | 2/3/2009 |
Q: What is the difference between a Magnolia Tree and a Bay Tree?
A: There is always problems when we use common names. Some folks call Magnolias Bay. Example: Magnolia ...
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| oak tree | 2/2/2009 |
Q: What type of root system does a Oak Tree have? What is the depth of the roots?
A: It is generally a rather shallow root system that is composed of many smaller fibrous roots. The ...
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| Ponderosa Pine yellow tops | 2/2/2009 |
Q: We have several large ponderosa pine trees that are showing decline at the top of the tree. The ...
A: There are a couple of root diseases that will damage and kill the root system and the damage will ...
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| black bark on crepe myrtles after infestation with aphids and resulting black sooty mold | 2/2/2009 |
Q: Late last season my 3 crepe mrytles - Tonto reds - became infested with aphids and the foliage ...
A: First the aphids. The aphids suck the plant juices from the leave and twigs and secrete a substance ...
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| Jacaranda Tree | 1/27/2009 |
Q: I am desparately trying to find WHERE in the Jacksonville, Florida area can I buy a Jacaranda Tree.
A: I am not from that area so I have no experience with nurseries in Jacksonville. Here is a web link ...
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| Cottonwood trees | 1/27/2009 |
Q: I have a large cottonwood tree in my back yard in Dallas Texas. It puts out large quantities of ...
A: 1 Will it work--yes and no-Wipeout is a herbicide that contains Glyphosate the same chemical in ...
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| Fig tree pesticides? | 1/26/2009 |
Q: i just stumbled on your site with a question in mind and forgive me, you probably already have the ...
A: Neem is a source of environment-friendly biopesticides. The unique feature of neem products is that ...
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| spraying time | 1/26/2009 |
Q: when is the proper time and how often should I spray chemical( as a preventive against bugs,etc.)on ...
A: This is not an easy question to answer since applying pesticides will depend on the size of the ...
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| bark beetles in African sumac? | 1/25/2009 |
Q: We live in the desert of Tucson, Arizona, and have a large, mature, African sumac tree. We recently ...
A: The bark beetles in the conifers do not attack any other tree species. There maybe a bark beetle on ...
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| Fig tree pesticides? | 1/25/2009 |
Q: i just stumbled on your site with a question in mind and forgive me, you probably already have the ...
A: Fig trees are generally insect and disease free. From time to time caterpillar type insects could ...
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| woodpecker damage, tree losing sap | 1/25/2009 |
Q: I just noticed alot of sap on the bark of my 30 year old maple leaking out. Checked it over and ...
A: Merit is safe around dogs. The active ingredient is Imidacloprid is relatively non-toxic to ...
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| Live Oak | 1/24/2009 |
Q: I went out this morning and there was a little sapsucker on the tree and in the light of day I could ...
A: This woodpecker makes holes in the bark and when insects come to feed on the sap the bird returns ...
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| Live oak borer | 1/24/2009 |
Q: I planted 150 2" Live Oaks in 98 which are now 15" to 22" trees in Lee Co., Ga. One of my trees has ...
A: Since there are several holes I would think it is sap sucker damage. This is a woodpecker that makes ...
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| Live oak and foundation problems | 1/23/2009 |
Q: I have bought a new house. On one side of the house, there is a live oak tree (newly installed) ...
A: No the live oak will not cause any problems with the foundation. Dying limbs and their falling on ...
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| woodpecker damage, tree losing sap | 1/23/2009 |
Q: I just noticed alot of sap on the bark of my 30 year old maple leaking out. Checked it over and ...
A: The bark of maple is thinner than most trees and the woodpeckers could damage the tree if numerous. ...
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| pruning peach and pecan trees | 1/22/2009 |
Q: Can you tell me the correct time of year and correct way to prune a peach tree and a pecan tree? ...
A: Here is a web site on pruning peach trees http://www.ext.vt.edu/pubs/treefruit/422-020/422-020.html ...
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| thuja | 1/22/2009 |
Q: I have 4 large ( 10 ft. tall & 8 ft diameter) which are probably about 20 years old. They no longer ...
A: They can be moved but this maybe a large job. Evergreens should be moved earlier in the fall than ...
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| holes | 1/21/2009 |
Q: i have found rows of holes around the trunk and some branches on my 2 bradford pears havent seen ...
A: It sounds like a woodpecker called a sap sucker. These birds make the holes in the bark and sap will ...
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| Willow tree branches and roots | 1/21/2009 |
Q: My neighbor sugested i take a couple of his weeping willow tree branches that fell to the ground ...
A: Branches and twigs that fall off trees are usually dead and they break off. These can not be rooted. ...
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| Birch trees | 1/20/2009 |
Q: Is it OK to prune trees as long as it isn't between May 1 thru August 1
A: The pruning of birch trees should be avoided unless absolutely necessary. Pruning of birch trees ...
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| Italian Cypress Tree | 1/19/2009 |
Q: I have 4 Italian Cypress trees in front of my house in Missouri City, Texas. I have no problem and ...
A: It may survive but will only be a bush since the terminal was cut. Almost any conifer can be used ...
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| conifers | 1/19/2009 |
Q: thanks with your help on this matter
A: I would add fertilizer around the trees. Conifers are not heavy feeders and need only an annual ...
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| Oak balls | 1/19/2009 |
Q: We know that the acorn is the seed of oak trees, so what is the function of "oak balls"?
A: These are the same type gall insects. Some are on the leaf which are soft but some are on the twig ...
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| Topping Redwood Trees | 1/17/2009 |
Q: I have three redwood trees that I planted for privacy between my house and the neighbors house. I ...
A: It will depend on how tall the trees are now whether you can cut them to eye level. It is never good ...
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| Pruning | 1/17/2009 |
Q: I lost two large limbs from my tree during heavy snow and freezing rain here in the northwest. My ...
A: It will depend on the species of tree and the extent of the breakage. If you are saying the top of ...
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| Citrus tree damage | 1/16/2009 |
Q: Wind took a large limb off my citrus tree. Can I put Copper Sulfate on the wound area to protect it ...
A: Do not use anything on the wound. next spring watch for any signs of boring dust and IF you see the ...
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| weeping cherry tree | 1/14/2009 |
Q: I purchased a weeping cherry tree last weekend and have not had the time to plant it. It was 28 ...
A: Deciduous may be planted either in the spring or the fall. Deciduous plants may be moved in the ...
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| japanese acer tree | 1/14/2009 |
Q: i have a Japanese maple acer in my lawn and it has been there for 10 years. I need to move it ...
A: It all depends on the size--a ten tear old tree is more than likely too large to move without ...
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| Oak tree roots | 1/11/2009 |
Q: Our house was built on a slab in 1957 -- we purchased it in 2003. In the back yard are 2 90-foot ...
A: My gut feeling is the tree being that old has done all it will do to the slab. In fact it sounds ...
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| Japanese Lace Leaf Maple | 1/11/2009 |
Q: we bought a house that had a nicely established lace leaf maple...but the dogs have nearly destroyed ...
A: I would prune any broken branches back to good wood. Prune just the part of the branch to smooth the ...
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| pesty silver oak suckers | 1/10/2009 |
Q: We have property in Florida that has silver oak suckers that come up every year and looks like a ...
A: There are several herbicide that can be used to kill this tree but all need to be applied to the ...
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| Tree | 1/10/2009 |
Q: We were on vacation in San Diego, and the kids picked something off of a tree that looked like a ...
A: Without seeing the leaves it is very difficult to ID this tree. I would make a guess that it was ...
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| Scrub Oak Soil and Reclaimation | 1/10/2009 |
Q: I am removing a group of scrub oak from the east side of my house in Boise, Idaho. I would like to ...
A: I think you are concerned about something that does not exist/ It is true that the oak wood contains ...
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| Planting | 1/9/2009 |
Q: a pinus radiata stand had been removed approx 7 years ago, the stumps are now completely decomposed ...
A: There is no reason to wait to plant after a stand of trees is cut. There is no acidic from the pines ...
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| propagating Norfolk pine | 1/8/2009 |
Q: We have a 6' Norfolk pine. Is there anyway to start a new tree from a branch or the top part of the ...
A: Take 6-8 in (15.2-20.3 cm) cuttings of the terminal leader in summer and treat with rooting hormone. ...
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| blue spruce tree roots | 1/7/2009 |
Q: 1.The home we purchased has a blue spruce tree planted next to the fence. One side of the fence is ...
A: No there will be NO problem with the roots from the blue spruce. At maturity the tree will have a ...
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| planting cypress in water | 1/6/2009 |
Q: we live lakeside,Burnet County near Austin TX. Normal wateredge depth of 3-4 feet. The lake level ...
A: You will have very good sucess with Bald Cypress. Bald-cypress likes an acidic soil and will ...
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| JAPANESE MAPLE TREE | 1/6/2009 |
Q: I PLANTED A JAPANESE MAPLE TREE IN THE WRONG SEASON, MATTER OF FACT I MOVED IT FROM ANOTHER LOCATION ...
A: Lay off the water and the plant food. They need about 1 inch of water per week and no plant food for ...
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| redwood tree root systems | 1/5/2009 |
Q: Did you ever get an answer to your question about the large redwood tree in the yard next door to ...
A: Redwoods have a fibrous root system and spread about 1 1/2 times the width of the branches. 30-40 ...
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| flowering almond | 12/16/2008 |
Q: How do I prune a flowering almond?
A: Prune the flowering almond immediately after it finishes blooming. Pruning will encourage more ...
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| Survivability of Transplanted trees | 12/16/2008 |
Q: In western Wake Cnty (NC), for trees (oak and maples, 2.5" to 3" caliper) that have been ...
A: Assuming the transplanting was done properly the survial rate shoul be as high a any planting. ...
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| Tree root barrier | 12/15/2008 |
Q: When building a new subdivision road and planting new trees in the tree belt, Planning Boards ask ...
A: Here is web link to one of these type. http://www.biobarrier.com/biobinfo.html This material is a ...
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| Tree replacement | 12/14/2008 |
Q: I am a board member of a town house association in Dublin, Ca. We are replacing 58 Plum trees ...
A: I would go with crept myrtle the red variety. Selections of crape myrtle (Lagerstroemia spp.) with ...
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| Can a Maple handle a major cutting? | 12/14/2008 |
Q: We have a Silver Maple that is about 40' tall and 6'+ in circumference. Due to tornado damage that ...
A: I would just prune the damaged part of the tree and not cut it back from the top. If you cut the ...
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| Ideas to Reduce/Stop Magnolia Droppings | 12/14/2008 |
Q: 12-14: Dear Jim, Here's a differentI live in a condo community in southern CA. Just outside my ...
A: A magnolia is an evergreen or non-deciduous tree. All plants and I mean all plants drop leaves ...
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| Aspens/birches | 12/13/2008 |
Q: I want to know if it would be possible to grow Aspen and Birch trees in Southern California. (High ...
A: The climate in locations will dictate which tree species will do well in areas. That does not mean ...
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| Root bound | 12/12/2008 |
Q: I planted the above crabapple in April of 2006. It has grown approx 3 feet since, flowers ...
A: It will not necessarily die soon but what happens a normal growth will add roots and then add ...
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| sides of trees-sugar maple? black | 12/11/2008 |
Q: as a volunteer tree person I have been asked to check out a number of "street" trees with blackened ...
A: My guess would be sooty bark disease. Sooty bark disease, caused by Cryptostroma species, can kill ...
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| bark problem on western sycamore | 12/10/2008 |
Q: Will vertical 4" cracks all around the bark at the base of the trunk kill the tree? This is tree ...
A: Sycamore tree tend to shed their bark as they get older so it sounds like the "cracks" are just the ...
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| Willow Tree | 12/9/2008 |
Q: My grandfather has a willow tree at his cabin in Minnesota which was started from a piece cut from a ...
A: Select a healthy branch that measures about 1/2 to 1 inch in diameter, and approximately 10 to 15 ...
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| acorn production | 12/9/2008 |
Q: Is the Oak tree the only one that produces acorns. From what I've read Oak trees produce acorns at ...
A: The acorn, or oak nut, is the nut of the oak tree (genera Quercus, Lithocarpus and Cyclobalanopsis, ...
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| "Sugar Tyme" flowering crabapple | 12/9/2008 |
Q: I planted the above crabapple in April of 2006. It has grown approx 3 feet since, flowers ...
A: Sounds like it is maybe root bound. Since I do not know how it was planted I can only give the ...
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| tree transplant | 12/8/2008 |
Q: Sir; my parents have jm tree in a large pot, want to put in ground, can this be done now in dec. ...
A: Since I do not know where the tree is located and the climate there I can not give a month that is ...
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| honey locust thorn poison | 12/7/2008 |
Q: I just read your assertion that there is no poison in honey locust thorns. I am a 59 year old ...
A: There is not really a poison in the thorn but being stuck by any number of thorns (rose. locust ...
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| planting trees | 12/7/2008 |
Q: When is the best time to plant a Bradford Pear in my area? I live in West Memphis, AR
A: In the spring as soon after the leave buds on the native hardwood trees start to swell or as they ...
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| Locus thorns | 12/7/2008 |
Q: My nephew was clearing some property and incountered a locus tree. The thorns are in both of his ...
A: There is not really a poison in the thorn but being stuck by any number of thorns (rose. locust ...
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| Root Structure Size - Italian Cypress trees | 12/6/2008 |
Q: I have an easement next to my home managed by the SF - PUC(Public Utilities Commission) - or I ...
A: The roots will not be a problem unless there is a broken water or sewer pipe and then the root of ...
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| Hershey kiss gall | 12/5/2008 |
Q: I too have an infestation of hershey kiss galls on my Quercus lobata that I planted in my back yard ...
A: Gall insects are difficult to control because usually controls are aimed at the adult insects. ...
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| Blue Spruce | 12/5/2008 |
Q: I just bought a live blue spruce for a Christmas tree. When I go to plant it I was thinking of ...
A: It will do fine there. Make the hole twice the size of the root ball and as deep and fill with good ...
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| monkey puzzle | 12/5/2008 |
Q: i was hoping you would be able to give me some advice on my monkey puzzle tree. at the base of the ...
A: These are bacteria burls. Burl - an unusual growth on a tree that may be caused by a virus or ...
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| CUTTING BANANA TREES IN WINTER | 12/5/2008 |
Q: SHOULD I CUT THE TREES IN THE WINTER. IF SO HOW FAR ABOVE THE GROUND SHOULD I CUT THEM? THANKS
A: Cut the plants down to the ground and cover the area with a thick layer of mulch. Top off the mulch ...
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| young trees outside | 12/5/2008 |
Q: I have some young trees that have been outside since last fall. I am in Alabama so if you're in the ...
A: The maple will be ok without any thing done --I would mulch around the tree with not more than 3 ...
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| live oak - yellowing leaves | 12/4/2008 |
Q: We have a young (7 in. dia. trunk) live oak in our yard (Florida) and have noticed it's leaves are ...
A: Yellow leaves and green veins are often the result of a common problem called iron chlorosis. This ...
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| spanish moss in my pecan tree | 12/2/2008 |
Q: How can I kill off the Spanish Moss in my Pecan tree? It is full of moss, I have tried pulling some ...
A: The following materials are licensed for control of Spanish moss and/or ball moss: TC Tribasic ...
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| tri color beech | 12/2/2008 |
Q: I read another past post about a similar problem I'm having with my tri-color beech (purpurea ...
A: Best grown in deep, rich, moist but well-drained soils in part shade. Plants do not perform well in ...
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| Scrub Oak Trees | 12/2/2008 |
Q: I moved into a new home that had been professionally landscaped,with mature scrub oak trees that ...
A: The sprouts coming up in the yard can be cut as they come up anytime during the year. The tree ...
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| Scrub Oak Trees | 12/2/2008 |
Q: I moved into a new home that had been professionally landscaped,with mature scrub oak trees that ...
A: The sprout are coming from the parent tree's root system and feeding off this system. The foliage ...
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| River Birch root system | 12/1/2008 |
Q: I have a mature river birch appox. 30 -40 ft tall in a small yard. I need to run an 18 inch deep ...
A: You should be ok with staying 15 feet from the tree with the trench. You will damage some roots but ...
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| Falling needles on blue spruce tree | 11/30/2008 |
Q: In July it was necessary for me to have a Blue Spruce moved due to it being planted on the property ...
A: I think it was over watered--trees need about 1 inch of water per week. This can be done by putting ...
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| Bark Damage from Rabbits | 11/29/2008 |
Q: I have a young pear tree, about 2" in diameter, that rabbits chewed off the bark from the ground up ...
A: The most effective way to prevent rabbit damage to trees and shrubs in the home landscape is to ...
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| holly tree move | 11/29/2008 |
Q: my mother has two holly berry trees about 8ft tall she has asked me to move them to another part of ...
A: Deciduous trees may be planted either in the spring or the fall. Deciduous plants may be moved in ...
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| Fertilizing Italian Cypress trees | 11/12/2008 |
Q: I have a question of when and what to use for fertilizing Italian Cypress trees. The site is in ...
A: I would not use tree spikes since they tend to concentrate the fertilizer in spots and could harm ...
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| black walnut and camelias | 11/12/2008 |
Q: I have an enormous black walnut in my yard. I've planted camelias under it, they have all died. ...
A: There are very few plants that will grow under a black walnut tree. A chemical, juglans, secreted by ...
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| trees | 11/11/2008 |
Q: what are trees called when there leaves fall off in autumn
A: Deciduous trees are trees that shed their leaves for a part of every year. Unlike evergreens, ...
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| pecan tree limbs | 11/11/2008 |
Q: I noticed some limbs falling out of my pecan tree. First I thought maybe the wind blowing, was ...
A: Sounds like an insect called a twig girdler or twig pruner. Small branches accumulating on the ...
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| watering transplanted trees | 11/10/2008 |
Q: I have recently had several crimson king maples and blue spruces transplanted. Should I continue to ...
A: No do not water during the winter when the ground is frozen. This can freeze the root system. Next ...
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| Green growth on my tree trunks | 11/10/2008 |
Q: I have patches of green stuff growing on my tree trunks. At times, it looks like it growing on the ...
A: Sounds like lichens. These are common and are not a problem to the health of the tree. Lichens are ...
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| Transplant a Bartlett pear tree | 11/10/2008 |
Q: I read your advice about transplanting a pear tree, and want to know if it would also work for an ...
A: Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the ...
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| Weeping Mulberry | 11/9/2008 |
Q: I am doing a painting and am looking for some information on the root system of a Weeping Mulberry.
A: The root system is generally in the first 2 feet of the soil and is about 1 1/2 times as wide as the ...
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| Fertilizing Italian Cypress trees | 11/9/2008 |
Q: I have a question of when and what to use for fertilizing Italian Cypress trees. The site is in ...
A: Soil Preference: Average to slightly acidic - well drained. Mulching recommended. Sun Exposure: Full ...
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| Pine needles | 11/9/2008 |
Q: What type of pine trees have the needles that are in bunches of 5.
A: Soft pines have these features: needles usually in bundles of 5, sometimes 4. Example (great ...
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| dig up & replant pine tree | 11/9/2008 |
Q: Please help. We have a pine tree approx. 20 ft tall & 6ish feet wide. We would like to give to my ...
A: Evergreens should be moved earlier in the fall than deciduous plants so they have time to form new ...
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| live oak roots | 11/8/2008 |
Q: I am building a patio under a live oak. It is going to have a sand base and pea gravel and pea ...
A: Removing roots will cause damage to the tree. The major damage maybe from the weight of the fill. IF ...
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| Spanish Moss / Dogwood trees | 11/8/2008 |
Q: We live in a wooded area in North Central Florida. Most of the tree's are so high, they can only ...
A: The following materials are licensed for control of Spanish moss and/or ball moss: TC Tribasic ...
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| Best time to plant Oak Trees in Austin, TX | 11/7/2008 |
Q: When should I plant an Oak Tree in Austin, TX? Size range from med. to large.
A: Any time from when the leaves fall off the hardwood trees until the leaves bud back out in the ...
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| hemlock for fire wood | 11/7/2008 |
Q: You have already stated it is middle of the road BTU for indoor woodstoves. Do we have a high ...
A: Hemlock gives off relative low heat, throws off many sparks when burned, is generally rated for ...
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| Live Oak and foundation problems | 11/6/2008 |
Q: I have two very large (40 feet tall) oak tree in front of the house. The tree trunks are about 15 ...
A: No the live oak will not cause any problems with the foundation. Since this tree has been there 40 ...
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| tree fertilization | 11/6/2008 |
Q: how do i fertilize trees in the forest for better acorn production
A: Acorn crops can vary greatly from year to year. During “heavy” years, acorns can rain down from the ...
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| trees | 11/6/2008 |
Q: how do i fertilize the trees in the forest for a better acorn crop
A: Acorn crops can vary greatly from year to year. During “heavy” years, acorns can rain down from the ...
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| Austrian Pines, 2 questions | 11/6/2008 |
Q: I planted two Austrian pines in my front yard in 1971, they were about 4' tall after planting them, ...
A: There has ben a problem with a pine wilt in that area of the country. Here is a web link to ...
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| Colorado Blue Spruce | 11/5/2008 |
Q: We are planning to plant some trees on our property in the Rocky Mountains (Florissant, Colorado) ...
A: Dig the hole for the new tree 2-3 times the width and as deep as the rootball and fill with good ...
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| Blue Spruce Tree | 11/5/2008 |
Q: Recently, my tree is showing yellow needles and becoming bare. I have used ChemLawn for years, and ...
A: Needles may turn brown and drop on spruce trees for several reasons. Before you become alarmed or ...
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| USE OF SPIKES IN TREE TRIMMING | 11/4/2008 |
Q: I HAVE FOUR QUESTIONS: I RECENTLY (10/27/08) HAD MY OAK TREES TRIMMED AND THE CREW USED CLIMBING ...
A: It is never good to use spikes on a tree no matter what time of the year. The climber digs the ...
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| willow tree roots | 11/4/2008 |
Q: How far will the roots of a willow tree go in dry wheather to get water. I have a willow tree ...
A: Willows (roots and all) can grow extremely fast if given the proper nutrients and conditions for ...
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| tree roots | 11/4/2008 |
Q: I have a big tree in my backyard. It was planted to close to the house and the roots are growing ...
A: The best thing would be installing root barriers along the foundation near the tree side. This will ...
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| Dog Urinating on my new trees | 11/4/2008 |
Q: I have a small pug that keeps going to my new trees that I just had planted this past weekend to go ...
A: The urine is high in salt content and will damage or kill the trees. More than likely the wilting ...
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| COLORADO BLUE SPRUCE | 11/3/2008 |
Q: I LIVE IN NORTHERN NEVADA, IN A VALLEY, ABOUT 30 MILES SOUTH OF RENO. ABOUT 4 YEARS AGO I PLANTED A ...
A: Needles may turn brown and drop on spruce trees for several reasons. Before you become alarmed or ...
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| the globe willow | 11/3/2008 |
Q: how and when to prune this is a mature tree that is quite tall and full. any advice?
A: The best times to prune willows trees are in the late summer or early fall. This variety bleeds sap, ...
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| pruning Bradford Pear trees | 11/3/2008 |
Q: Please advise correct way to prune Bradford Pear Trees. I have been told to "Thin out some of the ...
A: Generally trees that bloom in early spring are pruned after they finish blooming--bradford pear fits ...
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| Fire Ant Infestation Inside Pecan Tree | 11/3/2008 |
Q: The trunk of an old large pecan tree is infested with fire ants. How do I get rid of the ants ...
A: Apply ant bait aroudn the tree. Baits take advantage of the foraging habits of the fire ants and ...
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| LELAND EVERGREENS | 11/2/2008 |
Q: DO THESE TREES GROW ALL YEAR. HOW MUCH SHOULD I WATER YOUNG 18 INCH TREES
A: Evergreen trees do not drop their nedles all at once hence they can produce growht all year round. ...
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| asian lady beetles | 11/2/2008 |
Q: We are INFESTED every year by Asian lady beetles. They get into our siding, windows, trim edging, ...
A: In the fall of the year, multi-colored Asian lady beetles begin to seek out cavities where they will ...
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| Bradford Pear pruning | 11/1/2008 |
Q: I just read your answer to a question about pruning Bradford Pears. They line the street in the ...
A: Tree topping is super harmful to trees on several levels. Aside from looking ghastly and creepy, it ...
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| Apple Tree Care | 11/1/2008 |
Q: I have a two years old apple tree. It was cut off the bark around the trunk ( by a grass trimmer ...
A: If it is still green it is not dying. Normally you can girdle the tree if the bark is cut down to ...
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| Mimosa | 10/31/2008 |
Q: I have a mimosa tree that has a lot of white bugs on it. I thought they were flies, but they do not ...
A: Sounds like Cottony scale- an insect. The cottony scale is a highly modified insect pest that ...
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| big white fungus at the base of mulbery tree | 10/31/2008 |
Q: I have a sickly looking ( about 2/3 dead) Mulberry tree with a large rather fast growing thing at ...
A: This is the fruiting body of a decay fungus. The fungus enters the tree through a wound and will ...
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| Japaneese Maple | 10/31/2008 |
Q: When is the best time to trim a Japaneese Maple and how far back can you trim it?
A: Major pruning should be done during the dormant season after the leave have fallen, from late ...
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| Sunset maple not turning red | 10/31/2008 |
Q: I have a sunset maple in my backyard that I planted about 7 years ago. The leaves on the tree have ...
A: Anthocyanin pigments are responsible for the pink, red, and purple leaves of sugar and red maple, ...
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| Cedar eater | 10/30/2008 |
Q: I purchased a load of cedar posts from the Texas hill country last year. I have them stockpiled on ...
A: Looks like the galleries of a Cerambycid beetle, longhorn beetle. These will infest cut logs. I ...
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| Wasp all over the globe willow tree | 10/29/2008 |
Q: I have a lot of wasp and some bees around my globe willow tree. There is something dripping lightly ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| Science:Plant Growth | 10/28/2008 |
Q: how can a plant grow under an artificial light when the light does not have the same minerals and ...
A: The sun, a torch, and a light bulb all emit energy in the form of particles called photons. The ...
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| appropriate trees | 10/28/2008 |
Q: I am the director of a small museum in the Pacific NW. I want to plant a tree that would be ...
A: Without knowing the site the tree will be planted in or the climate there it would be difficult to ...
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| maple tree | 10/27/2008 |
Q: I LIVE IN NORTHEAST OHIO AND WOULD LIKE SOME ADVICE ON HOW TO ENCOURAGE THE GROWTH A MAPLE TREE. IT ...
A: Next spring fertilize it with 10-10-10 fertilizer at the rate of 1 lb per inch of trunk diameter ...
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| Hackberry Tree Sap | 10/27/2008 |
Q: Beginning recently, I have to park my truck under a rather large hackberry tree at our home in ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| bed around tree | 10/26/2008 |
Q: is it an o.k. idea or dangerous to the health of an oak tree or pine tree to build a flower bed with ...
A: Tree roots can not stand more than a couple of inches of added soil around the tree. More than this ...
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| relocating a semi-draft moonglow pear tree in my yard | 10/26/2008 |
Q: I NEED TO RELOCATE A SEMI-DRAFT MOONGLOW PEAR TREE NOW, IS IT SAFE TO DO SO FIRST, AND SECOND ARE ...
A: Deciduous trees may be planted either in the spring or the fall. Deciduous plants may be moved in ...
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| Drainage pipe | 10/26/2008 |
Q: The water drainage pipe from my home needs to be replaced since it is clogged. The pipe runs about ...
A: This tree does not seem to have much growing space as is so you want to damage as little of the ...
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| Weeping cherry tree | 10/26/2008 |
Q: When is the best time of year to prune and do I have to thin out the inside, or just remove the wild ...
A: Remove any water sprouts or suckers. If the long weeping branches get long enough to touch the ...
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| Leyland Cypress | 10/25/2008 |
Q: My 5 yr old leyland cypress (until now healthy) are browning from bottom to top and dying. Already ...
A: To minimize water loss and water competition with other plant species such as turf, mulch an area ...
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| Leyland Cypress | 10/25/2008 |
Q: I have many of these trees and also arborvitae. One of the cypress trees has started turning yellow ...
A: Leland cypress trees are subject to a couple of canker type diseases that effect the foliage. ...
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| squirrels denuding tree in back yard | 10/25/2008 |
Q: We have a chinese (japanese ??) elm in our back yard and squirrels have been biting off the ends of ...
A: Sounds like an insect called a twig girdler or twig pruner. Small branches accumulating on the ...
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| Help Identify Tree | 10/24/2008 |
Q: I found a tree behind our house in Greenville SC. It has rough bark, simple oval leaves about 3-4" ...
A: Black Tupelo, Blackgum (Nyssa sylvatica) would be my guess. It may not be sylvatica but may be ...
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| Leyland Cypress | 10/24/2008 |
Q: My 5 yr old leyland cypress (until now healthy) are browning from bottom to top and dying. Already ...
A: Leland cypress trees are subject to a couple of canker type diseases that effect the foliage. ...
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| Help Identify Tree | 10/24/2008 |
Q: I found a tree behind our house in Greenville SC. It has rough bark, simple oval leaves about 3-4" ...
A: It sounds like a black cherry but other tree can fit this description. Without a picture it is hard ...
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| planting willow tree | 10/23/2008 |
Q: We recenlty purchased a golden weeping willow tree and are trying to decide where to plant it. I ...
A: Do not plant a willow any where near a septic line. This tree loves water and will seek out the ...
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| mountain ash | 10/23/2008 |
Q: I have a 5 year old mountain ash that a neighbor accidently lopped off about 3 inches from the ...
A: Hardwoods have the capability to sprout from a stump if they are cut. The smaller the stump diameter ...
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| cypress stump | 10/22/2008 |
Q: my neighbor has a large cypress tree on the other side of our fence, the tree stump are appearing in ...
A: These are called cypress knees and are part of the root system. Yes they can damage foundations and ...
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| maple tree | 10/22/2008 |
Q: I have a small maple that I moved from my garden last year it is doin well however I was wondering ...
A: No I would not prune the tree. Pruning is done to remove lower limbs that may be in the way. I would ...
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| berries on oak trees? | 10/22/2008 |
Q: I live in Central Texas and have several trees on our property that I think are some type of scrub ...
A: These are leaf galls caused by a small insect. The insect lays its eggs on the leaf and secretes a ...
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| transplant frazier fur trees | 10/22/2008 |
Q: I just moved 12 medium size furs on oct 18 should I be concerned?
A: No they should be fine. Evergreens are best moved earlier in the Fal than hardwoods and before the ...
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| privacy trees | 10/21/2008 |
Q: I just bought a house and am lookin for a fast growing tolerant privacy tree. Our property is ...
A: You should not have any problem with Thuja Green Giant in the sandy loam soil. Grows in almost any ...
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| newly found pear tree with ants/rotten bark | 10/21/2008 |
Q: I found a pear tree in my yard in Gloucester, Virginia, in the midst of a lot of bushes and plant ...
A: I would leave the bark alone. Over time it will grow back to normal,. The vines caused the weakening ...
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| ash tree aphids | 10/21/2008 |
Q: Jim, I have 5 10-12 ft ash trees which I treated in summer of 2007 for wooly aphids. I used a ...
A: Systemic insecticides depending on the type and application method will last about 6-9 months or ...
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| hawthorn tree | 10/21/2008 |
Q: My wife and I are planning to plant a Hawthorn tree and would like to know if it is a center tapped ...
A: The root system is more fibrous but will not cause any problems with the patio. The spread of the ...
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| pruning?saving Sand Cherry Purple Leaf Trees | 10/21/2008 |
Q: I need help! I have just now planted 2 SAND CHERRY PURPLE LEAF TREES. the challenge was they had ...
A: To determine if a tree or branch is still alive start near the end if an upper branch and scrape a ...
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| Topping of aspens | 10/21/2008 |
Q: Today, our city came to top our 14 aspens which were getting too tall and heading toward a power ...
A: Topping trees is not recommended. It results in weak, unnatural-looking growth that sprouts up and ...
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| newly found pear tree with ants/rotten bark | 10/20/2008 |
Q: I found a pear tree in my yard in Gloucester, Virginia, in the midst of a lot of bushes and plant ...
A: The vines needed to be gotten off the trunk. Over time they would have choked out the foliage and ...
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| Cypress Knee between foundation | 10/20/2008 |
Q: I am looking at a house to purchase. I noticed a very small cypress knee coming up between the ...
A: I would not be too concerned but I would watch for these. The Roundup should kill most of the root ...
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| Elm Trees | 10/20/2008 |
Q: Our elm trees are dropping small branches. The end of the branch that was once attached to the tree ...
A: Sounds like twig girdlers. Small branches accumulating on the ground and the presence of clean-cut ...
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| Suckers | 10/20/2008 |
Q: I have a maple tree that has suckers (little off shoots with leaves all over the trunk) and it looks ...
A: Hardwood tree will grow suckers from the trunk when the trunk has sunlight on it. These do really no ...
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| cutting pine trees & replanting another tree | 10/20/2008 |
Q: We recently cut down two pine trees in our front yard. First, we would like to know the best way to ...
A: You can get the stump ground below the ground level and this will remove it from site. The roots ...
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| oak tree with partially hollowed trunk | 10/20/2008 |
Q: I have just been told by my association that an oak tree at the top of my property at the edge of ...
A: The hollow is caused by a decay fungi that has entered the woody part of the tree by way of a wound. ...
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| Norfolk pine tree care | 10/20/2008 |
Q: I have a potted Norfolk pine tree that I move outdoors, to the deck, for the summer season. The ...
A: The problem may come in the pot freezing and killing the roots. The tree will grow and survive in ...
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| Bartlett Pear Tree | 10/20/2008 |
Q: We live in Birmingham, AL. We had a very large Bartlett pear tree in our front yard which was ...
A: Yes it will survive. The fruit production may be greatly reduce for a few years with this drastic ...
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| pruning?saving Sand Cherry Purple Leaf Trees | 10/20/2008 |
Q: I need help! I have just now planted 2 SAND CHERRY PURPLE LEAF TREES. the challenge was they had ...
A: I would not prune them until they get a good established crown of foliage. The foliage is needed to ...
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| cork screw willow | 10/20/2008 |
Q: When is best time to start branch is water, spring or fall. And how to care for it at 1st planting? ...
A: The spring is best. After the cutting has a good bit of roots on it you can genteelly move it to ...
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| Oak Fungus on Post Oak Trees in the Austin, Tx Area | 10/19/2008 |
Q: Near Austin, Texas a large post oak had a white growth that looked look a brain coral growing on a ...
A: These are fruiting bodies of a decay fungi. The fungi itself lives in the woody and some tine during ...
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| leyland cypress | 10/19/2008 |
Q: I have about 6 leylands about 15 to 20 ft high and when planted they were about 15 to 20 ft apart. ...
A: Just cut them off and paint the fresh cuts with a herbicide called Roundup. This will kill the root ...
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| trees | 10/19/2008 |
Q: How do I plant an apple tree from a seed in sw Florida?
A: The 'yes' is because you can plant an apple tree seed and there is probably a 30% chance of it ...
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| Cypress Knee between foundation | 10/18/2008 |
Q: I am looking at a house to purchase. I noticed a very small cypress knee coming up between the ...
A: You can cut the knee off and paint a herbicide called Roundup on the cut surface. This will kill the ...
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| fruitless plum tree | 10/18/2008 |
Q: Is there any kind of spray to keep fruitless trees from bearing fruit. The Plums on mine were about ...
A: The GOOD NEWS is that there are a couple of products designed specifically for preventig fruit ...
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| juglone toxicity in dogs | 10/18/2008 |
Q: We live in the Easteren Panhandle of WV, have alot of walnut trees in back yard. My dog, age 11 ...
A: It does sound like juglone poisoning. Poisoning in dogs is reported occasionally when the seed hulls ...
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| Japanese Maple bark damage | 10/18/2008 |
Q: I recently purchased a healthy 3 year old Acer Japonicum "Green Cascade", about 4 foot tall, and ...
A: Sounds like you have done everything I would recommend -removing the loose bark. The wound will heal ...
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| Sugar Maple Tree sugar production | 10/18/2008 |
Q: For my Biology class, I need to know how much sugar a maple tree produces. I've looked a lot on the ...
A: Approximately forty years are required to grow a maple tree large enough to tap. A tree ten inches ...
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| dying trees | 10/17/2008 |
Q: I have a large flower bed with 3 oak trees,(I am not sure what type, but they have long thin leaves) ...
A: Yes adding 6 inches of soil and mulch compacted the air spaces of the soil and damaged the root ...
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| Magnolia Tree Deer Damage | 10/17/2008 |
Q: Jim, We planted a young Saucer Magnolia in the spring. Two days ago the local deer had a field day ...
A: If the bark was not removed all the way around the trunk it should survive. I would remove any loose ...
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| I have a 8-10 Red Sunset Maple | 10/17/2008 |
Q: The Red Sunset is in the ground, and i would like to move it to a new location. I am in southeastern ...
A: Deciduous trees may be transplanted either in the spring or the fall. Deciduous plants may be ...
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| sugar | 10/17/2008 |
Q: What is rock cane sugar, how is it processed and is molassas made from it, or is it made from ...
A: Rock sugar is a form of sugar composed of very large sugar crystals. You may also hear rock sugar ...
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| pine tree | 10/16/2008 |
Q: I have a pine tree that is dying from the top down. I can email you pictures. It is about a 40-50 ...
A: The first thing this is not a pine but is a conifer--looks to be maybe a cedar or fir, hard to tell ...
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| pine tree | 10/16/2008 |
Q: I have a pine tree that is dying from the top down. I can email you pictures. It is about a 40-50 ...
A: The first thing this is not a pine but is a conifer--looks to be maybe a cedar or fir, hard to tell ...
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| red maple tree | 10/16/2008 |
Q: of the leaves on one side of the tree have tiny black spots on the leaves.....the leaves seem to be ...
A: Sounds like leaf spot form a fungi. These do not cause any morality problems but may make the leaves ...
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| river birch tree roots | 10/16/2008 |
Q: Will the roots of a river birch tree affect the foundation of my house if planted to closely. If so ...
A: No. As far as the root system the root may not give you problems with the house foundation. River ...
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| Arbovitae Trees with brown, dying patches | 10/15/2008 |
Q: We have an eighteen year old privacy stand of Arbovitae trees that are turning brown or dying in ...
A: Here are a few of the foliage diseases of arbovitae. Phomopsis Blight of Juniper Many gymnosperms ...
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| borers in chinese elm | 10/15/2008 |
Q: Is there any way to get rid of borers in trees other than using chemicals. We have kept our garden ...
A: Non-chemical control for infested plants Once trees and shrubs are infested, non chemical options ...
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| weeping cherries | 10/15/2008 |
Q: 2 questions: 1) when do I prune weeping cherries and how? 2)I've allowed a sucker limb growing ...
A: I hope this is what you are asking. When you prune the weeping cherry you need to have a strong, ...
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| buyingshrubs | 10/15/2008 |
Q: i was wondering if this time of year is good for planting cedars shrubs? if so i do i maintain them ...
A: The problem is the winter temperature and the frozen soil. It is best to wait until the spring to do ...
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| leeland cypress | 10/15/2008 |
Q: I have 5 leeland cypress trees (6ft) they were lush and beautiful, planted 4-08. I live 30 miles ...
A: It sounds like wind burn that could have some salt burn. Since it sounds like it is still alive I ...
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| transplanting maple and elm | 10/14/2008 |
Q: we would like to transplant some small maple and elm from are woods,there only maybe 1 to 3 feet ...
A: I would plant where you want them not in a pot. Deciduous plants may be moved in the spring as soon ...
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| dwarf cherry tree planting depth | 10/14/2008 |
Q: Can a "white gold dwarf cherry" survive in a location where bedrock is 18 inches below the soil ...
A: It should -the root system is generally in the first 18-24 inches of soil. The problem would be ...
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| Sassafrass tree | 10/14/2008 |
Q: How do we stop a sassafrass tree stump from sending out shoots all over our lawn. The tree was cut ...
A: You will need to treat the foliage of the sprouts with a herbicide that will kill the roots system. ...
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| pine tree | 10/14/2008 |
Q: I have a pine tree that is dying from the top down. I can email you pictures. It is about a 40-50 ...
A: You can attach a picture to the question and this would help to see the problem. In general there is ...
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| plant parasites | 10/14/2008 |
Q: please tell me the plant parasites that grow on a live oak besides mistletoe.
A: Mistletoes is about the only true plant parasite on live oak. Spanish moss, Ball moss and lichens ...
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| willows and sun | 9/30/2008 |
Q: I have reasons for wanting to plant a small willow tree (either a weeping willow or a weeping pussy ...
A: Yes it should work. The problem maybe water IF the willows are under larger trees. Willows need more ...
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| Large green "fruit" tree | 9/30/2008 |
Q: We have a tree in our back yard in Covington, GA which has baseball size green "fruit" which looks ...
A: These are osage orange a member of the mulberry family. Osage-orange (Maclura pomifera) produces ...
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| Oak Tree | 9/30/2008 |
Q: My son and his wife are about to become fist time homeowners. The house sits on a very small city ...
A: I would try replacing the sidewalk. Try not cut any of the roots just add to the surface over the ...
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| flowering dogwood | 9/30/2008 |
Q: Jim, I have some dogwoods that are large and about 30 years old. They were damaged by the drought ...
A: Dogwoods require little pruning. Dead and diseased branches should be removed as soon as they are ...
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| Thuja Green Giant) | 9/30/2008 |
Q: Is it possible to for a green giant to grow in a decorative pot (if so, how large of a pot). I ...
A: Not really possible for the long run. These will grow at maturity about 30 feet tall and 15-20 feet ...
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| Catepillar infestation | 9/30/2008 |
Q: I have a mature 25 yr old liquid amber. I live in Bakersfield, Ca. This tree has a severe ...
A: The caterpillars will not kill the tree --they may reduce the growth for this year. Pruning will ...
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| Tree identification | 9/29/2008 |
Q: The attached photo is of a branch from small tree/shrub on our property. It has purplish/red pods ...
A: Yep you are right. How about Euonymus americanus, hearts-a-bursting I asked one of my Nursery ...
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| Planting a dwarf flowering plum tree | 9/29/2008 |
Q: I would like to plant a purple dwarf flowering plum in a particular location in my garden. As I ...
A: The roots will not damage the pipes since they are sealed. Tree roots can not enter an sealed pipe ...
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| deck by oak tree | 9/28/2008 |
Q: We have an enormous live coast oak tree covering our entire backyard and have been warned not to ...
A: If you are talking about a deck made of wood and on beams off the ground it should be ok. The weight ...
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| How to kill a willow tree and evergreen tree | 9/28/2008 |
Q: I would like to know the fastest way to kill large willow and evergreen trees without having to cut ...
A: Two methods that are less noticeable are basal spray and hack and squirt. Basal sprays are applied ...
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| "Southern Magnolia, "Edith Bogue/Brown Velvet" Follow -- Up.. | 9/28/2008 |
Q: To whom can answer my questions, it is greatly appreciated as I searched far and wide with no ...
A: The buds you see are the leaf buds and yes they will stay all minter opening when the temperature is ...
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| Tree identification | 9/28/2008 |
Q: The attached photo is of a branch from small tree/shrub on our property. It has purplish/red pods ...
A: Dogwood. Dogwood trees are members of the genus Cornus which includes numerous species of flowering ...
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| fugus on oak | 9/27/2008 |
Q: I have an oak tree that is about 3 feet in diameter and this summer it has developed a fungus around ...
A: These are decay fungi and fungicide treatment will not help. About the only thing that can be done ...
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| leaf compost mulch | 9/27/2008 |
Q: I live on a property in Bucks County, Pennsylavania that has limited, exposed top soil. The ground ...
A: The addition of nitrogen is to help break down the leaves not to improve the nutrition although it ...
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| large fungus at the base of my pecan tree | 9/27/2008 |
Q: We have a mature pecan tree with a large (18" in diameter) mushroom like fungus at the base of the ...
A: No not unless there are large limbs that are breaking off that are hollow. This is the fruiting body ...
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| Pruning Columnar swedish aspens | 9/26/2008 |
Q: We planted three columnar aspens last year. This year each tree has one or two leaders that have ...
A: A leader to me is the top branches and these should not be pruned since this is where the height ...
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| maple tree | 9/26/2008 |
Q: the remaining leaves look healthy and green. I had an arborist look at it and he said it was ...
A: I would wait until next spring to fertilize the tree. Then use 10-10-10 fertilizer at the rate of 1 ...
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| kill a tree and it's roots | 9/26/2008 |
Q: tree roots blocked the sewage drain and caused sewage to back up into my basement - how can i kill ...
A: Unfortunately, if the flow through the sewer has been completely stopped by roots growing in your ...
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| maple tree | 9/26/2008 |
Q: the remaining leaves look healthy and green. I had an arborist look at it and he said it was ...
A: The weight of the rock pushed the air spaces from the soil and is killing th root system. The mulch ...
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| weeping cherry | 9/26/2008 |
Q: We planted 3 weeping cherry trees about 4-5 years ago, they are growing but have not flowered at ...
A: I would suggest you fertilize the tree with a fertilizer low in nitrogen for flowering similar to ...
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| Locust Trees | 9/25/2008 |
Q: I have two (used to be) beautiful full locust trees. They have a coating of green mold/fungus on ...
A: It is hard to tell from the picture it is either a lichen or a canker called Hypoxylon. Lichens are ...
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| Oak Tree Leaf Clusters | 9/25/2008 |
Q: Hundreds of green oak leaf clusters with acorns attached are falling everywhere. They appear to ...
A: Sounds like an insect called a twig girdler or pruner. There are two insects that cut off twigs of ...
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| sap from oak tree | 9/24/2008 |
Q: I have a huge old oak tree, we had it fertilized last Fall, there are some dead branches & did not ...
A: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and ...
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| Pruning a Kusa Dogwood | 9/24/2008 |
Q: I have a Kusa Dogwood that is about 8 feet in diameter. I need to move it. When is the best time to ...
A: Deciduous may be planted either in the spring or the fall. Deciduous plants may be moved in the ...
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| transplanting | 9/24/2008 |
Q: I have a weeping mulberry tree (genetically altered) that I would like to transplant. It is at ...
A: Deciduous trees may be planted either in the spring or the fall. Deciduous plants may be moved in ...
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| oak tree infestation | 9/24/2008 |
Q: The leaves of our California Valley Oak trees are covered with a white powder and the leaves are ...
A: Sounds like cottony aphids, an insect. These are insects that suck the plant juices from the plant ...
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| Red Oak Roots destroying sidewalk | 9/23/2008 |
Q: How much, if any, of a root system can we remove from a Red Oak that is tearing up our sidewalks. ...
A: It depends on how close the tree is to the sidewalk. Generally the tree will be ok if not more than ...
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| Pine Tree ID | 9/23/2008 |
Q: I just sent the same question to Tom Alonzo and realized you were the one I had communicated with ...
A: Yes it does look from a distance like Virginia pine. This tree will not sprout form a cutting but ...
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| Abovr ground roots & fungus | 9/23/2008 |
Q: When I moved into my home 8 years ago, there is this big cottonwood. The roots are growing as much ...
A: Shaving the roots will kill them. I would cover the roots so they do not stick up above the ground ...
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| Bees in Oak tree | 9/23/2008 |
Q: I have a very large oak tree that has an incredible amount of bees that appear to be feeding. I live ...
A: Sounds like the problem is a scale insect. Scale insects are so prolific that they quite often cover ...
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| holes in oak tree | 9/23/2008 |
Q: I have two holes in a large oak tree on a hill behind my cabin. the holes are about 4 inches in ...
A: As long as the foliage is full and healthy looking the tree is healthy. IT sounds like it does have ...
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| killing china berry tree and all the babies | 9/23/2008 |
Q: We had to cut down a China Berry tree due to insect infestation. Now it won't stop growing out of ...
A: Some tree due to their waxy leaf surface are not killed with Roundup. Try a herbicide called Garlon ...
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| Dawn Redwood help | 9/22/2008 |
Q: We have two 7 yr old Dawn Redwoods. One is robust, green and healthy while the other has minimal ...
A: The grass is taking the moisture that the tree will need . I would mulch around the tree with not ...
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| Willow Tree | 9/22/2008 |
Q: I have a white fungus that is growing on the trunk of a 5 year old Willow. This tree also seemed to ...
A: Sounds like it could be powdery mildew, Spray the fungus with a copper fungicide. The damage due to ...
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| Washington Hawthorne | 9/22/2008 |
Q: In regards to your response on the cedar rust fungus on Washington Hawthornes - if your tree is ...
A: The rust fungus on the hawthorne is on the leaves. If cedar apple rust is a continuing problem, ...
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| Need advice to cut dogwood tree | 9/22/2008 |
Q: I am our church property chair person. Last fall someone trimmed our dogwood. This year about 1/3 ...
A: You can prune the dead branches of dogwood trees anytime of the year without causing any problem. ...
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| I don't see my answer | 9/22/2008 |
Q: Yesterday I asked a question about a cottonwood problem. You sent an email saying you answered my ...
A: Two questions were sent so I answered the last one. Here is the answer. The gall is a very common ...
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| Reply: (BrownVelvet/Edith Bogue) | 9/21/2008 |
Q: To whom can answer my questions, it is greatly appreciated as I searched far and wide with no ...
A: Since the major variety is Edith Bogue the tree will be about 30 feet tall at maturity and 15-20 ...
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| "Brown Velvet, Edith Bogue Strand" Southern Magnolia (Evergreen) | 9/21/2008 |
Q: To whom can answer my questions, it is greatly appreciated as I searched far and wide with no ...
A: This is a cross between Magnolia grandifloria brown Velvet and Magnolia grandifloria Edith Bogue. I ...
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| Tree | 9/20/2008 |
Q: A very old very large tree next to our home that had a very old separation of roots as the tree grew ...
A: This is the fruiting body of a decay fungi. Decay fungi live on the wood inside a tree trunk and ...
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| live oak too big?? | 9/20/2008 |
Q: We live in Orlando, FL and have a live oak in our front yard. I LOVE the shade, but the front patio ...
A: Without seeing the distance from the tree to the house and the type of foundation it is hard to give ...
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| very sick cherry tree | 9/20/2008 |
Q: I rent. About five years ago, my landlord planted a sour cherry tree. I do not know what variety ...
A: A plant needs nutrients to survive. Most of these are provided by the soil, but soil varies ...
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| Mold on tree bark | 9/20/2008 |
Q: We have an older Japanese Maple tree that gets full sun yet for this year and last, has a green mold ...
A: These sounds like lichens and are not a health problem for the tree. Lichens are unusual creatures. ...
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| 2nd time about cottonwoods, I have photos! | 9/20/2008 |
Q: I told my husband about writing you and he wanted me to attach photos. So he found another leaf ...
A: The gall is a very common one on cottonwood trees. It's the Poplar Petiole Gall, caused by the ...
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| repairing damage on japanese maple tree trunk | 9/20/2008 |
Q: we recently purchased a piece of property and had to transplant a 4' japanese maple...in the process ...
A: I would cut any loose bark from around the wound and put grafting wax on the wound to help seal the ...
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| Crypt Myrtle Tree in Michigan | 9/20/2008 |
Q: My mom bought a crypt myrtle tree in Arkansas and brought it to Michigan. She put it in a pot and ...
A: The problem is the number of hours of sunlight over the year. And it does need the change of ...
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| Cedar trees dropping excesive sap | 9/20/2008 |
Q: I live outside Placerville, CA. We have many cedar trees, (10 or so), and some of the needles are ...
A: The problem with winter and breakage is ice forming on the foliage. Snow usually will nor break the ...
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| very sick cherry tree | 9/20/2008 |
Q: I rent. About five years ago, my landlord planted a sour cherry tree. I do not know what variety ...
A: Since the problem started on one side toward where the herbicide was applied it does sound like this ...
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| Cedar trees dropping excesive sap | 9/19/2008 |
Q: I live outside Placerville, CA. We have many cedar trees, (10 or so), and some of the needles are ...
A: Sounds like an insect called aphids. Aphids are small (1/16-1/8 inch long), soft bodied insects ...
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| under a magnolia tree | 9/19/2008 |
Q: Aloha, Jim! My mother lives in Columbia, SC and has two large magnolia trees in the small front ...
A: If you add more than 3 inches of soil over the roots the trees will die. The roots do not need to be ...
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| Black Walnuts | 9/19/2008 |
Q: When I hull the walnuts, and some are really black, there are these maggot looking worms inside - ...
A: WALNUT HUSK MAGGOT,RHAGOLETIS SUAVIS (LOEW) AND WALNUT HUSK FLY,RHAGOLETIS COMPLETA CRESSON The ...
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| using wood chips as mulch | 9/19/2008 |
Q: I'm having a dead 60 ft. cottonless cottonwood tree taken down and wonder if it's okay to use the ...
A: There's been some research from Virginia Tech and University of Maryland that fresh wood chips can ...
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| Pin Oak Anemia | 9/19/2008 |
Q: I read your Subject: Oak Tree yellow leaves, and wondered "Is it possible to put too much ...
A: I think I would check with the local Agriculture Extension Service and ask about getting a soil ...
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| bugs on my blue spruce | 9/19/2008 |
Q: I have a row of pine trees at the front of my property I noticed what looked like a dead branch ...
A: This is a an insect called the bagworm. The common bagworm, Thyridopteryx ephemeraeformis (Haworth), ...
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| Miniature dogwood tree | 9/18/2008 |
Q: I would like to know if there is such a thing as a miniature dogwood tree. I live in New Jersey and ...
A: There is a couple of dwarf dogwoods. (Cornus florida Little Princess and (Cornus cadensis) a.k.a. ...
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| oak tree question | 9/17/2008 |
Q: A friend with a neighbor's white oak overhanging her roof has noticed lots of small twigs with ...
A: Small branches accumulating on the ground and the presence of clean-cut twigs, and in some cases ...
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| root damage | 9/17/2008 |
Q: i am building a two houses about 5 meters away from a row of lime trees about 50 ft high.the ...
A: The footing should not cause any damage to the root system. Most of the roots are within the ...
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| our 12 beautiful ficus trees | 9/17/2008 |
Q: The previous owner's of our home planted 12 ficus trees along the perimeter of our backyard (which ...
A: I would not worry about the roots of the trees. The roots will grow about 1 1/2 times the width of ...
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| mushroom growth on pecan tree trunk | 9/16/2008 |
Q: I have a problem with a very large pecan tree. apparently a limb had been cut by a previous owner ...
A: The mushroom is the fruiting body of a decay fungi that has entered the wound where the branch was ...
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| saving a fallen white pine tree | 9/16/2008 |
Q: Two days ago our 20 year old, 20 foot white pine tree was blown down by 75 mile an hour wind storm ...
A: Young trees planted within the past few years are sometimes blown over by high winds. If they are ...
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| Liquid Amber Tree (Sweet Gum?) | 9/16/2008 |
Q: I am looking for a tree of this variety that does not have the pods. I have been led to believe ...
A: The tree you are seeking is called Liquidambar styraciflua 'Rotundiloba' Easily grown in average, ...
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| Cork screw willow | 9/16/2008 |
Q: My tree bark has peeled back at the base on 2 sides of 2 large (2" dia) roots starting to grow above ...
A: This sounds like borer damage. Borers are insects that will enter the tree trunk and cause the bark ...
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| Black bugs on my weeping willow | 9/15/2008 |
Q: I have a willow on my yard that is 50 years old,about 100 ft tall and 6ft wide. The past 10yrs I ...
A: Sounds like willow flea beetles. Spray the foliage with an insecticide. Garden insecticides ...
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| acer bark | 9/15/2008 |
Q: i live in spain and i have an acer in the garden,a few months ago i noticed the leafs starting to ...
A: It looks like scale insects. These insects suck the plant juices from the plant and live under a ...
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| cottonwood tree | 9/15/2008 |
Q: My brother has a tree that has almost a maple leaf shape. It has always been called a cottonwood ...
A: This is white poplar,Populus alba. The leaves resemble maple leaves, but the topside of leaves are ...
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| locus tree | 9/14/2008 |
Q: How do the locus trees root underground? Do they root toward the foundation of the home?
A: Tree roots will grow toward a water source. locust roots are in generally small and fibrous. ...
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| elm tree branch tips dropping | 9/13/2008 |
Q: The very tips of the branches of our elm trees are suddenly dropping off- - it's never happened ...
A: Small branches accumulating on the ground and the presence of clean-cut twigs, and in some cases ...
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| tree roots | 9/13/2008 |
Q: My husband and I live in Albuquerque, NM and are in the process of planting a few trees. I would ...
A: Aspen has an aggressive root system and the 5 feet and 8-10 feet from the wall and walkway are too ...
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| tree watering in drought | 9/13/2008 |
Q: We have been experiencing drought conditions in part of Marylands Eastern Shore. I have a fairly ...
A: The majority of the root system is located in the outer area of the width of a tree. Watering this ...
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| Black residue | 9/12/2008 |
Q: We have lived in our home 20 years and the last two years have had a problem with a black residue ...
A: Sounds like sooty mold. Sooty mold will grow on a substance called honeydew. Honeydew is a substance ...
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| Tree cavity | 9/12/2008 |
Q: I bought a home with an outdoor deck built around a lovely mature shade tree. I am not sure of the ...
A: If a trees bark is wounded fungi can enter and start to 'eat away" the woody part of the tree. These ...
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| Leland Cypress | 9/12/2008 |
Q: We have several Cypress' in our front and back yard. They are dying off one after another. We were ...
A: I doubt it is beetles. Leyland cypress (x Cupressocyparis leylandii) has become increasingly ...
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| Hemlock Trees | 9/12/2008 |
Q: Some of the Eastern Hemlock trees around our cottage are dying. I have noticed a series of uniform ...
A: The holes are form a wood pecker called a sap sucker. These birds make these holes and the tree will ...
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| Sunburst Honey Locust Tree | 9/12/2008 |
Q: I have a beautiful and full Sunburst Honey Locust Tree that is about 25 years old. Just today, the ...
A: If the branch stubs are not over 4 inches in diameter there is not need to put anything on them. If ...
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| Oak Tree Fungus??? | 9/11/2008 |
Q: We have a very large and very old oak tree. It has one formation of an orange mushroom like growth ...
A: Fungi growths on the tree trunk are a sign of the fungi growing on the inside of the tree. The ...
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| Paper Birch | 9/11/2008 |
Q: We have had this tree for about 5yrs it now seems to be dying we have not changed anything. The ...
A: The peeling of the trunk is normal as the birch grows older. The browning leaves sounds like a ...
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| Planting around redwood trees | 9/11/2008 |
Q: I would like to make a small flower bed around a group of redwoods in my yard. I would like to build ...
A: Generally I would say do not add soil around trees in a bed. This will cause the soil around the ...
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| linden tree | 9/10/2008 |
Q: We have three linden trees that are currently infested with wasps, yellow jackets, and flies. There ...
A: The wasps are coming after something. Two things usually draw wasps and bees to trees--honeydew from ...
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| cottony mass on Live oaks in Florida | 9/10/2008 |
Q: I have a white cottony mass on the underneath portion of the leaves of my Live Oak. It also gets all ...
A: Sounds like cottony aphids, an insect. Check and see if there is movement when you touch the cottony ...
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| Oak Tree yellow leaves | 9/10/2008 |
Q: I planted a weeping oak about 3 years ago. It grew about 6 feet taller (its probably about 30 feet ...
A: Part of the problem will be the root ball still closely held by the wire and burlap. There is very ...
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| effect of new sewer line on tree life | 9/10/2008 |
Q: My neighbor is considering replacing the sewer line from her house to the street (main) pipe as she ...
A: Trenching 15 feet from a tree should not damage the tree. I would however make sure the equipment is ...
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| oak tree leaves | 9/9/2008 |
Q: I have a very large Oak tree in my yard. I have no Idea what kind it is. I live in Northern ...
A: These are insect galls A tiny gall wasp lays its eggs on the leaf surface and the chemical reaction ...
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| Aspen Trees | 9/9/2008 |
Q: We have several Aspen trees in our neighborhood that have leaves dripping with what seems to be sap. ...
A: Sounds like an insect called aphids. These soft bodied insects suck the plant juices from the plant ...
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| Pine tree in Michigan | 9/8/2008 |
Q: The underside of numerous needles are black. They have the look of being "burned" or scorched. In ...
A: Sounds like aphids. These are small soft bodied insects that suck the plant juices from the plant ...
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| Uprooted purple plum tree | 9/8/2008 |
Q: what chances does my large purple plum tree have of surviving after tropical storm toppled it over ...
A: The smaller the tree the better chance that the tree will be ok. The problem may not be that the ...
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| trees and worms | 9/8/2008 |
Q: WE have had all of our redbud trees covered with bright green fuzzy worm like things this season and ...
A: All caterpillars can be controlled with an insecticide treatment. I would use a contact ...
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| european ash tree | 9/8/2008 |
Q: My neighbor's mom has a European Ash tree in her yard and we noticed the bark on the tree is peeling ...
A: It is not normal usually ash has a tight bark. I would think there is some type of wound associated ...
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| giant oak near house | 9/7/2008 |
Q: A large, beautiful willow oak grows about five feet from our sunporch. The tree is about sixty ...
A: The tree has withstood "60" years of weather and it is healthy there is no reason to believe that ...
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| Cottonwood Tree Roots | 9/7/2008 |
Q: Jim, I live on a river in Durango, Co where the river bank has lots of cottonwood trees. I have ...
A: IF you only cut the roots outside the overhang of the branches (drip line) you should not have any ...
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| carpenter ant | 9/7/2008 |
Q: I have an old weeping willow. I saw ant carpenter inside of the trunk. right now there is lots of ...
A: The inside part of a tree is dead and if there is an opening fungi get into the tree and over time ...
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| increased number of acorns | 9/7/2008 |
Q: I live in Austin, Texas. Have this very large tree in my back yard. This year, starting around the ...
A: Oaks produce acorns at varying populations. large crops usually occur every 3-5 years. This is ...
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| copper beach tree | 9/7/2008 |
Q: i have been told i need to find out about this tree for homework. I have got a little bit about it ...
A: Fagus sylvatica purpurea n 1: variety of European beech with shining purple or copper- ...
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| TRANSPLANTING RED JAP MAPLE | 9/7/2008 |
Q: We are moving in about a month. I have a six year old red Japanese maple that is about 6' tall with ...
A: The ideal time to move maples is in the spring as soon as the frost is out of the ground, up until ...
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| gr ft tree and ants | 9/7/2008 |
Q: Ants climbing up and down my grape fruit tree and crawling inside it and back out. Its an old tree, ...
A: I would spray the trunk with an insecticide called Malathion. It is a contact insecticide and can be ...
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| trees | 9/7/2008 |
Q: The entire trunk of my maple tree is covered with green mold, leaves didm not get as big as in the ...
A: Sounds like lichens on the trunk. Lichens are formed by two organisms - a fungus and an alga. The ...
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| Oak Tree | 9/7/2008 |
Q: I have an oak tree in my backyard that is producing large balls on the branches. Sometimes the balls ...
A: Sounds like an insect called a gall wasp. Twig and Stem Galls Twig and stem galls, such as the gouty ...
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| Aspen Trees | 9/6/2008 |
Q: I live in a suburb northeast of Denver, CO. This summer several of my Aspen trees have started ...
A: Sounds like leaf scorch. Leaf scorch is a problem caused by insufficient soil moisture. In aspens ...
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| columnar aspen root system | 9/6/2008 |
Q: We are thinking of planing a columnar aspen in a rock wall bed. It is a good size bed. Just ...
A: These trees have about a branch width of 10 feet. The roots will grow about 1 1/2 times the width of ...
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| gr ft tree and ants | 9/6/2008 |
Q: Ants climbing up and down my grape fruit tree and crawling inside it and back out. Its an old tree, ...
A: There are several types of ant that will crawl on trees. Some are just gathering honeydew from ...
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| Blue Spruce | 8/12/2008 |
Q: My mother has a bluespruce in her yard on the west side. It is about 6 ft tall and was planted ...
A: This is an insect called a bagworm. They are really not killing the plants but eating the foliage, ...
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| Crimson King Maple Tree | 8/12/2008 |
Q: I have a Crimson King Maple tree aprox. 7 years old. This year I noticed some of the leaves are ...
A: If it is slim flux it is not active. Slime flux will have a smell of vinegar or a strong smell and ...
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| web-worms or caterpillars in ornamental cherry tree | 8/12/2008 |
Q: My mother-in-law has 4-5 webs in her fairly young weeping cherry tree and would like to know 1) best ...
A: These are called Fall webworms. The fall webworm, Hyphantria cunea (Drury), is most often ...
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| weeping cherry willow tree with curled leaves | 8/12/2008 |
Q: I have a dwarf weeping cherry willow tree in my front yard that I planted in March or April. ...
A: As long as you are seeing new growth the tree is ok. Water is the main concern in newly planted tree ...
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| Silver Maple trunk and main branch splitting | 8/12/2008 |
Q: Live in Raleigh, NC. To inaugurate our new house, 17 years ago, we (the family all together) hand ...
A: Without seeing the tree and its condition it would be almost impossible to give a definite answer as ...
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| Crimson King Maple Tree | 8/12/2008 |
Q: I have a Crimson King Maple tree aprox. 7 years old. This year I noticed some of the leaves are ...
A: The holes in the leaves I would not be concerned about. Form time to time insects will feed on the ...
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| Hanging a hammock from LInden Trees | 8/12/2008 |
Q: I have two nice Lindens - probably 20 years old or more - and would like to string a hammock ...
A: Sounds like it could be an insect called a borer. These beetles will bore into the trunk and the ...
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| Just planted a tree | 8/12/2008 |
Q: Hyland, I have a question. We just planted a baby Fruitless Mulberry tree yesterday in our yard. I ...
A: Sounds like you planted it correctly BUT forgot about the time of the season. Hot dry summer weather ...
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| Killing Mesquite Trees with Remedy. | 8/12/2008 |
Q: I want to drill a hole into my Mesquite trees and kill them. I do not want to spray them. How big of ...
A: The living cells of a tree are just under the bark so drill holes into the wood will do nothing to ...
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| Hanging a hammock from LInden Trees | 8/11/2008 |
Q: I have two nice Lindens - probably 20 years old or more - and would like to string a hammock ...
A: The weight will not be the problem but drilling into a thin barked tree like the Linden will cause ...
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| Gamble oak - red wart like thing on spines of leaves | 8/11/2008 |
Q: I have several Gamble oak on my property and there are these wart like things on the spines of the ...
A: Thes are called leaf galls. These are oak leaf galls made by an insect a small wasp usually. The ...
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| Globe Willow dropping leaves | 8/11/2008 |
Q: I leave in West Texas and I have a globe Willow in my front yard approximately 8 years old, it had ...
A: Willow trees need a great deal of water. I would think the dry, hot weather is the problem. I would ...
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| red oak tree | 8/11/2008 |
Q: I live in S. MS. I had my yard landscaped in May by a certified landscaper. He put large flower beds ...
A: The roots of a tree are with in the first 12- 24 inches of the soil and any digging in these area ...
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| 2 Oak Trees | 8/11/2008 |
Q: Trees are on each side of a gravel driveway. Fresh gravel was put on the driveway and filled also ...
A: Fill dirt is frequently added around existing mature trees so that a level or more visually ...
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| Transplanting a Blue Spruce | 8/10/2008 |
Q: Jim, I read your prior response regarding transplanting small blue spruce trees. I have a blue ...
A: Although all trees and shrubs can be moved in either spring or fall, there are some which establish ...
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| catawba tree and their worms | 8/10/2008 |
Q: Mr. Hyland, A friend of mine purchased a beautiful late 1800s industrial mansion in the piedmont of ...
A: THE CATALPA SPHINX is a common hawk or sphinx moth, but it is the caterpillar stage, that is most ...
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| Leland Spruce | 8/10/2008 |
Q: Is the Leland Spruce and the Leland Cypress the same tree? How far apart do you recomend planting ...
A: Yes sort of- the real name is Leyland cypress. It is sometimes called spruce. Due to its being ...
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| OLD weeping mulberry tree | 8/10/2008 |
Q: I bought a house about three years ago. It had this HUGE weird tree in the backyard - we didn't know ...
A: Really the only part that may need pruning will be the limbs that reach the ground. How short to ...
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| Oak tree dying | 8/10/2008 |
Q: I reside in central Texas. The oak tree in my front yard is dying. The bark, especially at the ...
A: Sounds like it maybe hypoxylon canker. IF so it more than likley will kill the tree. If the leaves ...
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| globe willow peeling bark | 8/10/2008 |
Q: I have several globe willows 3-5 years old. one started to lose its bark 2-3 years ago and now the ...
A: The borers are causing the bark peeling and this should stop when they are controlled. As a willow ...
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| dogwood tree roots | 8/10/2008 |
Q: We have several dogwood trees on west side of house next to a sidewalk. It appears that the ...
A: I would not think so but if either tree is close (3-5 feet) to the sidewalk they maybe the cause of ...
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| Red bud tree | 8/10/2008 |
Q: Jim, due to a recent storm I returned home from vacation only to find that a significant limb on my ...
A: I would try wrapping the area with tree wrap to hold the wound together. Before you wrap try ...
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| bores in red oaks | 8/9/2008 |
Q: Organic way to treat red oaks for bores
A: Here are some that have been reported BUT I do not know how well they work. 1. Take some stiff wire ...
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| Ponderosa Pines - dead branches and moss | 8/9/2008 |
Q: My husband and I are building a house south of Spokane, WA, which is zone 5. We have lots of ...
A: Lower limbs of pines will die and shed due to shading from sunlight. This is normal and these dead ...
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| Tree Fungus? | 8/9/2008 |
Q: I had a a very large maple tree taken down and the stump grinded about 5 years ago and the last ...
A: These are decay fungi that are breaking down the woody stump still left in the ground. The time it ...
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| baby live oak | 8/9/2008 |
Q: My mom has a huge live oak in her yard that drops a ton of acorns, the ones that don't get mowed ...
A: The biggest mistake is moving the tree in the summer. This the worst time to try and transplant a ...
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| Bugs Eating My Pine Needles on My Tree | 8/8/2008 |
Q: There are these bugss that are in bag like sacks eating the pine needles on my pine tree in the ...
A: Sounds like Bagworms. If you use Bt insecticide this is used early in the life of the caterpillar ...
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| maple tree | 8/8/2008 |
Q: Our maple tree looked healthy in June. Then most of the leaves turned to a copper color. They did ...
A: Scotts turf builder plus does contain a herbicide that could damage trees. I would suspect that is ...
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| dogwood tree roots | 8/8/2008 |
Q: We have several dogwood trees on west side of house next to a sidewalk. It appears that the ...
A: Dogwood trees are not known to damage sidewalks. Any tree if planted too close to the sidewalk could ...
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| My trees are dying | 8/8/2008 |
Q: My trees in my front yard are dying. I don't know what is wrong and I am a complete idiot when it ...
A: With out knowing the species of the trees it is almost impossible to ID a problem. Insects and ...
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| lions head maple | 8/8/2008 |
Q: We purchased a beautiful lion's head maple tree last spring. Lately, it has developed a greenish ...
A: Sounds like a lichen. These are combination of algae and fungi and live on the bark of trees. They ...
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| Tree root system | 8/7/2008 |
Q: We own a house which we purchased in 2002, and was built in 1996. There are 3 large (over 20') trees ...
A: You should be able to attach pictures to the bottom of the question. If you have problems send ...
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| LEYLAND CYPRESS | 8/7/2008 |
Q: MY TREES ARE TEN YEARS OLD . PROBABLY PLANTED TOO CLOSE AND MY PROBLEM IS THEY ARE SHEDDING THEIR ...
A: Although relatively free of serious disease problems, several diseases are becoming more common. ...
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| Crypt Myrtle tree: how to kill root system ? | 8/7/2008 |
Q: I cut down a Crypt Myrtle tree with appx 4-6" trunk last year. The stump was ground down at the ...
A: You need to treat the sprouts with a herbicide called Roundup. The Roundup will be taken up by the ...
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| Cottonwood leaves falling | 8/7/2008 |
Q: Is there a good reason why one of my cottonwoods has leaves that are turning yellow and falling this ...
A: More than likely the weather. Cottonwoods are one of the first trees that will drop their leaves in ...
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| Willow tree roots | 8/7/2008 |
Q: I had a willow in my back yard that destroyed my septic system.We replaced the system in April and ...
A: The Roundup should have killed the root system. If you are not getting any sprouts coming up from ...
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| Planting of River Birches | 8/7/2008 |
| Q: How far away from a building should river birches be planted and why? |
