| Subject | Date Asked |
|
| peas | 11/15/2009 |
Q: I have a small hydroponic garden using auto-pot technology.My snow peas were producing really well ...
A: Wayne: The leaves look a bit hungry, however this symptom can be caused by several things- usually ...
|
| sick Yucca plant | 11/14/2009 |
Q: This is a follow up to my previous questions about my Yucca. I'm in the middle of looking at the ...
A: Alissa: Good Morning! It's Sunday morning here. House calls? WOW. I wish, however I am in Arkansas. ...
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| sick Yucca plant | 11/13/2009 |
Q: I've had a Yucca plant for years, but about 3 years ago it started to get sick. It had a bad case of ...
A: Alissa: Thanks for your patience. I do not think that the "film" is a disease, but probably young ...
|
| sick Yucca plant | 11/13/2009 |
Q: I've had a Yucca plant for years, but about 3 years ago it started to get sick. It had a bad case of ...
A: Alissa: Is the "film" cover the entire leaf or is it in splotches or patches? I cannot see the ...
|
| sick Yucca plant | 11/13/2009 |
Q: I've had a Yucca plant for years, but about 3 years ago it started to get sick. It had a bad case of ...
A: Alissa: Can you send a closeup photo of the film? If so, review photo on your computer first to be ...
|
| Japanese Maple infested by borer | 11/12/2009 |
Q: I have discovered my maple tree arrox 30 yrs old has a disease on the bark which has killed one limb ...
A: Ruth: Once in the tree, borers are difficult if not impossible to kill inside the tree. If you ...
|
| lemon infestation | 11/12/2009 |
Q: Dr Vann, my lemon tree has an infestation of black, semi circular growths all along the branches. ...
A: Madeleine: I do not recognize any sort of plant disease from your photo, however these structures ...
|
| Apple tree | 11/12/2009 |
Q: I moved in this new place and there's an apple tree in the yard. The apples are quite small and ...
A: Filip: I do not recognize a disease from your image, however there appears to be some possible ...
|
| white spots on maple leaves & holes on trunk of tulip tree | 11/11/2009 |
Q: What are the white spots on maple leaves? Can this be spread to other trees? There are small round ...
A: Jane: The holes in the tree are from a sapsucker (type of woodpecker)-maybe a yellow bellied ...
|
| Palm Tree | 11/10/2009 |
Q: Do you know what is causing this on this filifera. Can anything be done for it? Thank you very much ...
A: John: Thanks for the followup information. I am not familiar with the effects of cold temperatures ...
|
| Weeping Willow | 11/8/2009 |
Q: I have a weeping willow in my back yard. It was here when I bought my home in 1998. It has always ...
A: Patti: Look for any evidences of bark damage or loosening, especially near the base and up on the ...
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| Palm Tree | 11/8/2009 |
Q: Do you know what is causing this on this filifera. Can anything be done for it? Thank you very much ...
A: John: I was unable to locate the images that you mentioned. Can you send the specific link and I ...
|
| white rice looking things on all leaves of gardenia plant | 11/4/2009 |
Q: I brought the plant for the winter and it has developed in a short period of time this white rice ...
A: It's getting about that time of the year to bring the plants in off the deck or porch. We have ...
|
| junipers & boxwoods | 11/3/2009 |
Q: I will try to explain as best as possible; firstly we recently moved into a new home that already ...
A: Eileen: Good Morning! A bit too cold for me where you are. Tonight here- 40's w/clear skies. Highs ...
|
| emerald arbovitaes disease? | 11/2/2009 |
Q: Dr. Van We have 19 emeralds I am very concerned about.Much like Trish we have a golden/orange ...
A: Jim: Just keep an eye on them. Browning/bronzing foliage on the inside is a normal event this time ...
|
| boxwood problems | 11/1/2009 |
Q: I planted three boxwoods about 2 months ago. Purchased from a very reputable nursery. The leaves on ...
A: Ellen: From your description, this doesn't sound like a normal thing. This discoloration may be ...
|
| junipers & boxwoods | 10/31/2009 |
Q: I will try to explain as best as possible; firstly we recently moved into a new home that already ...
A: Eileen: I'd suggest not replacing the junipers until you can determine their health status- maybe ...
|
| junipers & boxwoods | 10/30/2009 |
Q: I will try to explain as best as possible; firstly we recently moved into a new home that already ...
A: Eileen: Junipers prefer well drained soils. Excessive soil moisture can lead to comlicated root ...
|
| emerald arbovitaes disease? | 10/29/2009 |
Q: Dr. Van We have 19 emeralds I am very concerned about.Much like Trish we have a golden/orange ...
A: Jim: I suspect that the change in color, especially if it is occuring on many of these plants is ...
|
| Winterberry | 10/28/2009 |
Q: Steve here are some pictures of that winterberry with those black spots. thanks again Mike
A: Mike: Thanks for the photo. This photo may suggest some type of fungus disease. There are a few ...
|
| Fox Tail Palm Diease? | 10/28/2009 |
Q: We have some foxtail palms that we planted 3 years ago. This year, we noticed that several of the ...
A: Lois: I don't think this is an infectious/contagious situation. It may be related to a potential ...
|
| New Bradford Pear tree dying? | 10/26/2009 |
Q: I recently purchased 2 Bradford Pear Tree's. They are still in their plastic 20 gal. containers. ...
A: Mary: Leaf browning may be due to root related stress. This can be, among other things lack of or ...
|
| Ivy | 10/26/2009 |
Q: Over the past few months the ivy outside my walk way has lost it's leaves and the vines are exposed. ...
A: Judy: In most cases, the "root rots" are associated with the soil remaining wet or saturated for ...
|
| Oak tree damage | 10/26/2009 |
Q: I live in the panhandle of FL and have a young pin oak whose leaves are looking awful. They have ...
A: Annette: Congratulations! It came through in flying colors. This is a very common fungus disease ...
|
| Fruitless Mullberry | 10/26/2009 |
Q: We have a fruitless mullberry tree that is 65 to 70 years old. It is beginning decay. Do you have ...
A: Kathy: Unfortunately, there is not a magic bullet. The decay is often a slow, yet progressive ...
|
| pin oak tree | 10/25/2009 |
Q: We have a mature pin oak tree in our front year. This year, the bark has started to fall off, the ...
A: Jeff: From your description, I would suspect that your tree may have some level of decay inside. If ...
|
| Honey Locust Tree | 10/25/2009 |
Q: For the first time ever, 20+ years, our two side-by-side honey locust trees have no seed pods. ...
A: Michelle: If the tree seems and looks healthy otherwise, I'd sit tight and relax. Weather conditions ...
|
| Blue Plum Tree | 10/25/2009 |
Q: This Blue Plum tree is approx 15-20 years old. Blossoms and sets fruit then fruit seems to shrivel ...
A: Phyllis: If the fruit seems to rot on the tree before it shrivels, this may be a disease called ...
|
| yellowwood tree | 10/25/2009 |
Q: We have a yellow wood tree we planted about 5 years ago, I believe it was about 10-15 years at that ...
A: Angela: This may be some sort of insect. Can you take and send a closeup photo of this white stuff? ...
|
| Magnolia Tree Leaves Wilting | 10/24/2009 |
Q: We transplanted a 10 foot magnolia tree in March of this year. The leaves yellowed and spotted at ...
A: Cath: Some occasional leaf drop isn't of too much concern, especially inner leaves. If you have ...
|
| Oak tree damage | 10/24/2009 |
Q: I live in the panhandle of FL and have a young pin oak whose leaves are looking awful. They have ...
A: Annette: Can you send along a closeup photo of one or two leaves with the raised areas/spots? I have ...
|
| Jacaranda tree weeping | 10/24/2009 |
Q: I have two young jacaranda trees which were taken indoors before the frosts started. I forgot to ...
A: Bob: The tree may have been stressed by (1) heated air currents and (2) light changes. Leaf drop can ...
|
| Ivy | 10/22/2009 |
Q: Over the past few months the ivy outside my walk way has lost it's leaves and the vines are exposed. ...
A: Judy: What type of ivy do you have? Did the leaves have any spots before dropping? Was anything ...
|
| Algae Growth | 10/20/2009 |
Q: I am doing a science project for school and was wondering if you could help me. If you can, please ...
A: Charlie: Very good questions, unfortunately my background is primarily plant diseases and I don't ...
|
| Lilac Tree | 10/20/2009 |
Q: My tree is losing it's leaves at a fast pace. The leaves have spots and look dead on the tree. ...
A: Leaf drop can be a common response to stress, especially when it originates in the roots. Your tree ...
|
| Lilac Tree | 10/20/2009 |
Q: My tree is losing it's leaves at a fast pace. The leaves have spots and look dead on the tree. ...
A: Judy: Can you take and send a closeup photo of a leaf or two with the spots? Review photo on your ...
|
| lemon tree from seed | 10/19/2009 |
Q: I have grown a lemon tree from a seed. It is now about 5 years old and over 2 feet. Over the last ...
A: I don't recognize anything in particular that is associated with the spots. If they begin to spread, ...
|
| lemon tree from seed | 10/19/2009 |
Q: I have grown a lemon tree from a seed. It is now about 5 years old and over 2 feet. Over the last ...
A: Charlotte: Glad to hear you've been successful at getting a lemon tree from seed- wow , you must be ...
|
| Black Jack Fig | 10/18/2009 |
Q: Vann, We planted a 5 Gallon Black Jack Fig in Palos Verdes, Ca on June 15, 2008. I put 2 0-10 ...
A: Bob: I believe this tree is a deciduous tree and will drop its leaves for the season. They usually ...
|
| Hibiscus | 10/18/2009 |
Q: I live on Long Island, and just tried replanting my Hibiscus to bring in for the winter, one was ...
A: Chrissy: If the gnats are very small and black, they may be fungus gnats. If so, these things are a ...
|
| miniature rose | 10/18/2009 |
Q: The leaves are wilting and there is a white pasty substance coating many leaves and even stems. What ...
A: Joan: This waxy stuff doesn't sound like a disease, but possible insect. Can you send a closeup ...
|
| tiny orange worms | 10/17/2009 |
Q: I was looking at acorns one day and I found two little orange worms eating the acorn.I would like to ...
A: Tiara: These insects are probably considered parasites, but I suspect they will have minimal overall ...
|
| emerald arbs | 10/17/2009 |
Q: we planted 20 4' emerald arborvitae trees in August. They seemed to have done fine. Until about 1 ...
A: Trish: I do not suspect an infectious disease, rather an environmental stress- perhaps the period of ...
|
| key lime tree | 10/17/2009 |
Q: my key lime has white film on the leaves,thank you Cheryl
A: Cheryl: Check to see if this film will wipe off by using a wet paper towel and rubbing the leaf. If ...
|
| emerald arbs | 10/16/2009 |
Q: we planted 20 4' emerald arborvitae trees in August. They seemed to have done fine. Until about 1 ...
A: Trish: Thanks for your inquiry. Are all of these plants becoming discolored? What state do you ...
|
| Worms on lemon tree | 10/14/2009 |
Q: I have noticed some very ugly ugly looking worms on my leaves on my lemon trees that I have planted ...
A: Sandra: These are the orangedog caterpillar. It is the immature form of a swallowtail butterfly. On ...
|
| moss on trees | 10/13/2009 |
Q: there is a lot of moss on the tree stump and branches.kindly let me know what i should apply to kill ...
A: Vcsrajan: Moss occurs frequently in environments that are consistently moist or wet. Consider ...
|
| Eugenia problems | 10/13/2009 |
Q: I have a row of 10 Syzygium paniculatum (Eugenia) hedges that I planted about 6 months ago. They ...
A: Mark; Based on your description, I'd probably be leaning toward an environmental issue. There may ...
|
| White powdery substance on branches | 10/13/2009 |
Q: Have a tree in the yard but not sure what it is (not a typical oak, maple...poss. a fruitless, ...
A: Michael: One option for you to think about is snipping off one of these twigs with the white stuff ...
|
| bugs in my tree | 10/12/2009 |
Q: I have this white web on some of my trees. There are black pepper like things inside the web. The ...
A: Victoria: This looks like an insect pest called fall webworm. Check out fall webworm under "Google ...
|
| redbud tree | 10/12/2009 |
Q: The bark of my ten year old redbud seems to be shedding right at the base of the tree. I don't like ...
A: Paul: This may indicate possible insect or disease activity. You might consider scratching around ...
|
| Dark colored bugs on our white birch tree | 10/12/2009 |
Q: Over the last few years we have had bugs on the limbs of our tree. They are clustered together on ...
A: Rick: Can you send a photo of these critters? Take a closeup photo of a few of these. Be sure to ...
|
| risk of tree falling | 10/11/2009 |
Q: In July a 100 foot linden tree fell on my house. Now I look at my other trees differently. I have a ...
A: Howard: I would suggest getting an assessment by a certified arborist. These folks are trained to ...
|
| Pear tree leaf problems | 10/11/2009 |
Q: I have inherited two wall splayed pear trees each of a different variety but both of whom suffer ...
A: Beverly: You are very welcome- glad I could help!! I am in Arkansas. Many of the these rust ...
|
| Arbovitae | 10/11/2009 |
Q: I did not notice it earlier because they look nice and green on the surface. I also have another in ...
A: Julia: Some browning is expected from the inside, especially if it is of mature size. If you can, ...
|
| Spotty Sage Cutting | 10/11/2009 |
Q: I've recently obtained a sage cutting that was a bit wilty when I got it, but I attributed to stress ...
A: Kasey: The browning and wilt can be due indeed to a root related stress. Just give it some TLC and ...
|
| fruitless mulberry tree | 10/9/2009 |
Q: What is the average life span of a fruitless mulberry tree that has been pollarded yearly?
A: Susann: Difficult to say. Depends on overall health and cultural care and if any decay is within ...
|
| Peach Tree | 10/9/2009 |
Q: There are strange balls that look like sap at the base of my peach tree. Why?
A: Sarah: This exudate is "sap" from the tree that is expressed through an opening in the bark. It ...
|
| dying bogenvillas | 10/8/2009 |
Q: We live in Cabo San Lucas, Mexico where bogenvillas are abundant. Four years ago we planted four ...
A: Lin: Check a couple of things first. Take a close look at the main stem near the soil line and ...
|
| Mini rose bush disease and it's effect on people.. | 10/8/2009 |
Q: I wanted to ask about the powdery mildew fungus that I found on my mini red rose bush. I brought it ...
A: Sharon: I am not aware of any documented allergies or other ill effects that PM has on people. ...
|
| fat albert spruces | 10/8/2009 |
Q: We had an incredibly damp summer for Kansas and my beautiful spruces' needles are turning yellow ...
A: Lori: I am assuming the tree has been planted for some time. I did not recognize any infectious ...
|
| Pine Tree Fungus | 10/8/2009 |
Q: I have an alpine fir that is about 5 years old. This fall it has developed a bizarre white speckled ...
A: Nicole: This may be an insect rather than a fungus. Using your computer, go to "Google Images" and ...
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| Flowers on Magnolia Trees | 10/7/2009 |
Q: I planted a small magnolia tree. It is growing fine and has begun to have flowers. The flowers when ...
A: W.R. Thanks for your question. From your description, it sounds as if the outer parts of the ...
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| Weeping Mulberry | 10/7/2009 |
Q: I am a novice gardener (your average new home owner). We built a new house last July and I planted ...
A: Ash: Your question may be better suited for an insect person. You may wish to consider collecting ...
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| sick fruitless mulberry | 10/7/2009 |
Q: We have several fruitless mulberries in our yard in East Contra Costa County, CA. We lost one a few ...
A: Denise: Thanks for the information. From your description, there may be some low level of internal ...
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| Palm tree pest spreads! | 10/6/2009 |
Q: I have a somewhat bizarre situation. I live in Toronto (Canada) and got an indoor palm tree a few ...
A: Emma: I am not aware of these things causing an allergy- just a nusiance when they are unsightly. ...
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| Palm tree pest spreads! | 10/6/2009 |
Q: I have a somewhat bizarre situation. I live in Toronto (Canada) and got an indoor palm tree a few ...
A: Emma: Did these objects move AFTER they were seen stuck to the wall? If not, these things may be ...
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| oak trees | 10/6/2009 |
Q: I have these brown fuzzy things all over my oaks. And also some kind of worm eating all the leaves. ...
A: Rhonda: It would be necessary to know the insect identity first. Can you send a photo of the insect ...
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| magnolia diseases | 10/5/2009 |
Q: my magnolia's are 45 yrs. old. one tree is in good condition but the other one has dead limbs all ...
A: Dudley: This papery growth may be Lichens. Have a look at this article I wrote and let me know if ...
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| Oleander Health and Transplanting | 10/5/2009 |
Q: Vann: I live in Southern California where, for many years, as other residents do, I've lined the ...
A: David: Your theory does indeed has some merit. It is difficult to say how much, because these ...
|
| Asparagus | 10/4/2009 |
Q: My plants have a white sticky substance on some of the ferns. This is the first year we got any ...
A: Elsie: Can you send a closeup photo of this stuff on the leaves? It may help me to see it. It may ...
|
| sick fruitless mulberry | 10/4/2009 |
Q: We have several fruitless mulberries in our yard in East Contra Costa County, CA. We lost one a few ...
A: Denise: You might give the trunk a look. Check for areas where the bark may have been damaged or ...
|
| orange tree problems | 10/4/2009 |
Q: My new orange tree (2 years) has black specks covering the under side of most of the leave. What is ...
A: Gene: Can you take a closeup photo of a leaf or two and send for me to see? Review your image on ...
|
| Grapefruit tree | 10/3/2009 |
Q: I have a 5 year old grapefruit and it is now shooting out new growth. The leaves get a white almost ...
A: Mark: This white covering may be a fungus disease called powdery mildew. Using Google Images on ...
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| Red Tips in Trouble | 10/2/2009 |
Q: Please see the attached photo. Several of our red tip shrubs have this at the base of the plant and ...
A: Tommy: This white stuff is a fungus that is fruiting on the base of the shrub. There is a good ...
|
| Brown arborvitaes | 10/2/2009 |
Q: this is my follow up question on the arborvitaes (the old converse 'Dying Garden" doesn't except ...
A: Olga: If the browning in your photo is quite representative of the overall condition of the trees, I ...
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| pine trees | 10/2/2009 |
Q: I planted several pine trees last year. This summer in the Alabama gulf shores area we had a very ...
A: Mike: Take a look at this brief article that may help answer "sooty mold" questions. You will need ...
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| pine trees | 10/2/2009 |
Q: I planted several pine trees last year. This summer in the Alabama gulf shores area we had a very ...
A: Mike: Check to see if the black coloring on the needles will rub off with a wet finger or a wet ...
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| deseases in orange plants | 10/1/2009 |
Q: sir, we have orange garden. these days some oranges in orange crop r turning orange in colour ...
A: Vishal: You may have an insect infestation based on your description. Correct ID is necessary to ...
|
| oak trees | 10/1/2009 |
Q: I have these brown fuzzy things all over my oaks. And also some kind of worm eating all the leaves. ...
A: Rhonda: If these fuzzy brown things look like fuzzy balls often stuck to the leaves, then these are ...
|
| house plants | 10/1/2009 |
Q: Ive been finding little balls on the floor under a few house plants, which i picked them up and ...
A: Joe: Thanks for your question. What houseplants are you finding these objects under? And can you ...
|
| Pine tree disease | 10/1/2009 |
Q: Good day. I am in the Northeastern US and noted that several of my pine trees have round spotty ...
A: Good Morning. Based on your description, suggest taking a look at "Lichens" using Google Images on ...
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| Ligustrum disease | 10/1/2009 |
Q: Dr. Vann, I have a Ligustrum tree that appears to have some type of disorder. It looks like spider ...
A: Bill: Have a look at "Tent Caterpillars" and also "Fall Webworm" using Google Images on your ...
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| Willow weavils | 9/30/2009 |
Q: I saw your answer about the black bugs that eat willow tree leaves as the situation you described is ...
A: Laura: It is best to the insect ID'd correctly. This will be useful to select the most appropriate ...
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| arborvitae`s | 9/30/2009 |
Q: Pictures are attached pleas e help @@@@@IMAGE:35432:Plant-Diseases-715/2009/09/tree_3.jpg##### ...
A: Paul: I contacted the Extension service in your state just a few minutes ago and was told that there ...
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| A Disease is Killing My Trees in Southern California | 9/30/2009 |
Q: Vann: I live in Southern California in the "Inland Empire" about 70 miles east of Los Angeles, and ...
A: David: I expect the black substance can be any number of fungal organisms that have become ...
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| Crape Myrtle | 9/30/2009 |
Q: I have about 20 crape myrtle and 2 of them planted two years ago have white scales on their trunks ...
A: Mark: This black stuff may be sooty mold, the result of an insect infestation. It can discolor the ...
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| arborvitae`s | 9/29/2009 |
Q: Pictures are attached pleas e help @@@@@IMAGE:35432:Plant-Diseases-715/2009/09/tree_3.jpg##### ...
A: Paul: I would probably hold off on any fertilizer right now since fall and winter are just around ...
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| Aspen trees with aphid problem in the Fall | 9/29/2009 |
Q: We have had an aphid problem with our aspen trees. Do you think we should get 3 treatments ...
A: Nicole: At this time of year, I think you would be wasting your time and money. Here in my part of ...
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| Black Spots on Trees | 9/29/2009 |
Q: I live in an area that has a spring running through the whole development. My side yard gets very ...
A: Good Morning! I took a look at your photo, but unfortunately, it is not in focus. Can you resend? ...
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| arborvitae`s | 9/29/2009 |
Q: Pictures are attached pleas e help
A: Paul: Thanks for the photo. I would suspect that the yellowing is probably related to a root or soil ...
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| Crape Myrtle - leaves turned black | 9/28/2009 |
Q: Recently our otherwise healty crepe myrtle seems to have turned black with some type of ...
A: Don: See this publication about Sooty ...
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| white gummy stuff under basil leaves | 9/27/2009 |
Q: We noticed a white gummy, almost looks like spit, on the underside of a basil plant. Couldn't see ...
A: Sam: If this stuff looks like spit, it may be an insect called Spittle Bug. Check out Google Images ...
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| white measels on Sago palm | 9/27/2009 |
Q: One of my Sago palms has developed what I can best describe as white measles on the fronds. The ...
A: Can you take and send a closeup photo of these white things? These may be a type of insect (possible ...
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| emerald green arborvitae | 9/25/2009 |
Q: I live in central Illinois and in spring 2008 planted 20 emerald green arborvitae. They budded like ...
A: Rick: Thanks for the photos. These structures are normal -- the Male and female reproductive ...
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| pecan trees | 9/24/2009 |
Q: my husband dies 8 months ago and he was the tree and landscaping person, i have no idea what to do ...
A: Becki: I suspect that the black spots on the leaves may be a disease called Pecan Scab- a very ...
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| pomegranate tree | 9/24/2009 |
Q: old and it beared a few fruit that was not edible.Now with fruit still on the tree. half of the tree ...
A: Joyce: First, I'd look around at the tree for any evidence of injury/damage to the trunk, especially ...
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| Eugenia shrubs | 9/23/2009 |
Q: I have about 20 Eugenia shrubs that were planted back in mid-June of this year. None showed any ...
A: Laura: I do not suspect a bona fide infectious disease here because of the pattern. I would lean ...
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| king palm trunk is dying | 9/22/2009 |
Q: Two years ago I planted a large 36 inch boxed triple trunk King palm in my yard in coastal southern ...
A: Chris: This might be a root rot that has slowly developed or possibly insects that may have moved ...
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| Stinkhorn Fungi(carrot like fungis around my maple tree) | 9/22/2009 |
Q: I have discovered this fungus in a few places around my yard, especially around my maple tree and in ...
A: Ashley: This stinkhorn fungi (several types)are not harmful to plants. It may seem to "pop" up ...
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| emerald green arborvitae | 9/21/2009 |
Q: I live in central Illinois and in spring 2008 planted 20 emerald green arborvitae. They budded like ...
A: Rick: Please send a closeup of these structures as they appear attached on the twigs. Review your ...
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| Privet dying | 9/21/2009 |
Q: Our privet hedges have a whitish-greem mold of fungus growing on the stems. Some leaves have a ...
A: Joanne: Beyond appropriate fertilization (based on a recent soil test) and watering -especially ...
|
| Euonymous Scale | 9/20/2009 |
Q: I got nervous when I read that Scale should be treated in May and June, its now October and I've had ...
A: Sherrie: In my part of the world, this euonymous scale insect is the worst insect pest on this ...
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| japanese beetles | 9/19/2009 |
Q: Northern Indiana I plan to use milky spore in order to control the Japanese beetles in my lawn. ...
A: Sam: Based on your information, probably best in Mid to late July. Since the climate will affect ...
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| Privet dying | 9/19/2009 |
Q: Our privet hedges have a whitish-greem mold of fungus growing on the stems. Some leaves have a ...
A: Joanne: The gray-green leafy circular patches on the stems are lichens. Google images of the things ...
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| Privet dying | 9/19/2009 |
Q: Our privet hedges have a whitish-greem mold of fungus growing on the stems. Some leaves have a ...
A: Joanne: The mold that you mentioned may be a couple of things. Can you submit a closeup photo? The ...
|
| What is causing very fine saw dust and sticky drops under Mimosa tree | 9/17/2009 |
Q: I have a Mimosa tree over my driveway. Every day there is a fine sawdust like substance on my car ...
A: Joseph: I would be very suspicious of an insect associated with the sawdust material and sticky ...
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| Live oak tree | 9/17/2009 |
Q: I have noticed a spider web like cocoon engulfing my tree. I live in the southern part of Texas. I ...
A: Alice: Can you describe the size and location of the web on the tree? If possible, can you send a ...
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| meyer lemon losing leaves | 9/16/2009 |
Q: My lemon tree is 3 years old, and it summers outdoors and I bring it in mid September. This year ...
A: Laina: Mites can debilitate a plant if the numbers are large enough- causing the leaves to yellow. ...
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| dying roses | 9/16/2009 |
Q: We have a Bit of a dilemma, my girlfriend is in a bit of a quandary as to why her precious Rose ...
A: Jenny: Thanks for your inquiry. I agree that the shears/pruning are probably not the cause, unless ...
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| tomato blight | 9/16/2009 |
Q: Is there any way to get blight out of the soil after it has been introduced? Our garden is organic, ...
A: Lynda: Many plant problems can lead to a wilt- it is one of the most common symptoms of bonafde ...
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| meyer lemon losing leaves | 9/15/2009 |
Q: My lemon tree is 3 years old, and it summers outdoors and I bring it in mid September. This year ...
A: Laina: The yellowing leaves w/greer veins sounds very suspicious of a soil related problem. This ...
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| fungus?? | 9/15/2009 |
Q: I live in southeast NC. I & my neighbors have some kind of reddish/purple powder like substance on ...
A: James: See this bulletin I have prepared on Sooty Mold. You will need to have a free program on ...
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| pine tree dying | 9/15/2009 |
Q: I have 3 pine trees in my back yard that are dying. The needles are turning brown and falling off ...
A: Mike: Check the trunks and root zone area for evidence of physical damage (e.g. bark damage or ...
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| tomato blight | 9/15/2009 |
Q: Is there any way to get blight out of the soil after it has been introduced? Our garden is organic, ...
A: Lynda: The most common blights that we might see here in Arkansas are Early Blight or Late Blight. ...
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| fungus?? | 9/14/2009 |
Q: I live in southeast NC. I & my neighbors have some kind of reddish/purple powder like substance on ...
A: James: Since this is occurring on several unrelated plants, I would be inclined to think it was not ...
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| Lilac Disease | 9/14/2009 |
Q: I was having curling brown leaves on half my lilac bush but was able to get flowers on the other ...
A: Joy: Sounds like the lilac may be in a terminal condition from your description and removal may be ...
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| indoor ficus | 9/13/2009 |
Q: My ficus has a white ball on the under part of the leaf where the leaf comes out from the branch. ...
A: Shelia: This may be an insect such as a wooly aphid or mealybugs. Google "images" of these two ...
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| Lilac Disease | 9/13/2009 |
Q: I was having curling brown leaves on half my lilac bush but was able to get flowers on the other ...
A: Joy: If this fungus is growing directly on the bark, then it may represent some level of decay that ...
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| jade houseplant | 9/13/2009 |
Q: I've cut off many branches but can't seem to control it. Should I give it all new soil?
A: Julie: Can you take a closeup (get as close as you can)photo of this gray stuff on the stem/leaf and ...
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| sago palm white scales treatment | 9/11/2009 |
Q: i was told to use Volck oil spray and malathion to kill the white scales disease on my sago palm is ...
A: Theresa: Both of these products can be used for the scale insects. Test them on a small portion ...
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| Emeral Arborvitae | 9/11/2009 |
Q: I bought three arborvitae that are approximately 4 ft. high. One has been transplanted into another ...
A: Betty: On the fern, again I suspect a soil issue. The Miracle Gro products are usually quite good ...
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| mulberry tree disease | 9/10/2009 |
Q: My large mulberry tree has a whitish mold growing on several branches. This year I noticed that ...
A: Nick: If the tree is "mature", and the mold seems associated with the bare branches, I suspect it is ...
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| dieffenbachia leaf fall | 9/10/2009 |
Q: i had this dieffenbacia since april and it was all bushy and brilleint with color, and now i dont ...
A: Mohammad: These symptoms often result from a root related stress. For example, if the soil is too ...
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| Pomegranate with twisted leaves | 9/10/2009 |
Q: You guys always have the answers, so here's my problem: I recently purchased a dwarf pomegranate ...
A: Maegan: That is one "weird" looking plant- but it sounds cool though. Since you volunteered (be ...
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| Maple Tree | 9/9/2009 |
Q: We are sorry, but kathy crowley wasn't able to answer yourWe have an older maple tree. I don't know ...
A: Leslie: This can indeed happen, especially if the roots are extensive enough to have entered the ...
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| Blue Girl Holly | 9/9/2009 |
Q: Any idea what would make my previously healthy (planted this summer, 24 inches high) suddenly drop ...
A: Pam: Leaf drop can be a result of a root and/or soil related stress. Things to consider: Be sure it ...
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| italian cypress | 9/8/2009 |
Q: I have 32 yr old Ital cypress and 2 seem to have large dead patches in the upper 1/3 of tree. I ...
A: Madeline: The dead patches could be several possibilities such as a twig blight plant disease or ...
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| tree care | 9/8/2009 |
Q: I have a combination of dwarf alberta spruce, cypress-(eastern red cedar and aborvitae) in the yard. ...
A: Mike: It would be to your advantage to have a soil sample evaluated first. By having an analysis ...
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| Schefflera arboricola | 9/8/2009 |
Q: Vann My schefflera arboricola has many problems: 1. Some of the leaves are turning into brownish ...
A: Yara: My first thought would be a root/soil problem. Check the soil and be sure it is moist and has ...
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| Maple Tree | 9/8/2009 |
Q: We are sorry, but kathy crowley wasn't able to answer yourWe have an older maple tree. I don't know ...
A: Leslie: I suspect that the leaf drop may be a result of an environmental stress rather than a bona ...
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| yellow leaves on crepe myrtle tree | 9/8/2009 |
Q: My crepe myrtle tree which is about 12 years old has shedding a lot of yellow leaves this summer and ...
A: Judi: A nutrient imbalance is possible, however the soil moisture issue may still be a possibility. ...
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| house plant infestation | 9/7/2009 |
Q: I have a hibiscus (inside variety) which looks like it has been peppered with a pepper shaker. I ...
A: Pat: See if these black specks wipe off with a wet paper towel or wet finger. If so, it may be ...
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| pin oak "pellets" | 9/7/2009 |
Q: We have a mature pin oak hanging over our deck (North Carolina). We have lived here 10 years and ...
A: Jan: I suspect these structures may be insect related- perhaps "poop". If you want to, you are ...
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| Rose of Sharon | 9/7/2009 |
Q: My Rose of Sharon never really took off this spring, it grew some but the leaves were very sparse, ...
A: Karen: Several things may have caused this. Sometime insects can tunnel into the stems and lead to a ...
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| Cedar Tree with brown nodules | 9/6/2009 |
Q: My windbreak is all cedar trees that are over 50 feet tall, I was out checking my one apple tree ...
A: Terrilyn: Crabapple can develop cedar apple rust also. I do not know how sensitive your variety is ...
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| Japanese Maple problem | 9/5/2009 |
Q: I have grown Japanese Maples for years and on an occasion I have found that the stems turn black and ...
A: Brad: The black stems may be a result of "sooty mold" a condition caused by an insect infestation. ...
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| poplar trees | 9/5/2009 |
Q: We have a farm yard with a lot of poplar trees. This year, for the first time in the 41 years we ...
A: Claire: This sticky spray may actually be "honeydew", a clear deposit produced from insects that are ...
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| apple plants Diseases | 9/5/2009 |
Q: sir my plot situated in 5000 to 6000mt. height.there are some problem in apple tree: 1.Root warm ...
A: Prashant: The insect borers sounds as if they are causing significant problems. These insects can ...
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| Cedar Tree with brown nodules | 9/5/2009 |
Q: My windbreak is all cedar trees that are over 50 feet tall, I was out checking my one apple tree ...
A: Terilyn: These nodules are probably the older structures of a fungus disease called Cedar Apple ...
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| golden jade | 9/5/2009 |
Q: i bought a jade about two and a half months ago, that had a red bordered leaf, and i potted and ...
A: Thelma: I suspect that the plant may have got too hot or dry leading to the leaf loss. Check into ...
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| Sago Palms | 9/4/2009 |
Q: I live in southern Ca. next to the ocean. I have several Sago Palms in my yard that are 15 years ...
A: Don: I'd be inclined to focus my attention to the soil conditions. I suggest a soil test. You can ...
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| Quaking Aspen | 9/4/2009 |
Q: somehow i ended up growing a quaking aspen in a pot on my deck.Anyhow now i've noticed it has little ...
A: Carmella: Can you take and send me a closeup photograph of these bumps? It will help me to see some ...
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| Quaking Aspen Problem | 9/4/2009 |
Q: I have a bad case of black leak fungi on my Quaking Aspen tree and am currently treating it with a ...
A: Mike: As mentioned, rake up and burn (if your community allows it) fallen leaves and twigs sometime ...
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| Autumn Blaze Maple Aphid Infestation | 9/3/2009 |
Q: I have a autumn blaze maple that is about 4 years old and 30 ft tall by 20 ft wide. I’ve been ...
A: Pat: It is usually not feasible nor practical for homeowners to spray this size of a tree for ...
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| beetle looking insect feeding on spider plant | 9/2/2009 |
Q: I see a beetle type insect crawling on my indoor spider plant. It seems to leave small spots which ...
A: Linda: In order to pick the best insecticide for these critters, it is best to get them identified ...
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| waxleaf ligustrum | 9/2/2009 |
Q: My plant is 8' tall, over six years old. This year it has been plagued with leafrollers, but the ...
A: Richard: These plants are quite durable. If the leafrollers have become one of the issues that you ...
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| plum tree disease | 9/2/2009 |
Q: I planted a plum tree last year and it was growing nicely. However for the last 3/4 months the ...
A: Serap: The sticky appearance is usually a good indicator of an insect presence, either on that plant ...
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| Powdery mildew. | 9/2/2009 |
Q: I have what appears to be powdery mildew on a rosemary plant. The plant is in afternoon/evening ...
A: Thomas: Powdery mildew on a plant resembles a dusting of baby powder. Some organic controls include ...
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| viburnum problem | 9/2/2009 |
Q: We have a Pink Dawn Viburnum that we planted about 4 years ago. It is around 7 feet high and gets at ...
A: Michelle: I don't think there is a insect/disease issue with your flowering question. There is a ...
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| Flowering Cherry Tree problem | 9/1/2009 |
Q: We live on the NE side of Houston, TX. We have sandy soil that drains well. Planted a flowering ...
A: Richard: If this tree was recently planted as it sounds, it may be experiencing transplant shock. I ...
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| Chinese/Lacebark Elm | 9/1/2009 |
Q: 2 years ago I purchased a Chinese elm. It had grown and really was quite healthy until about 2 days ...
A: Plant Guy: These trees (Ulmus parvifolia) are very durable trees with a hardiness from zones 4 to 9. ...
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| viburnum problem | 9/1/2009 |
Q: We have a Pink Dawn Viburnum that we planted about 4 years ago. It is around 7 feet high and gets at ...
A: Michelle: Since many leaf spots can look alike, it would be advisable to have someone look at an ...
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| Conifers | 8/31/2009 |
Q: Steve, thanks for all your help with my questions about the conifers and the browning of the inner ...
A: Paul: I've had a chance to visit with a horticulture person whom is far more knowledgeable than I on ...
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| Conifers | 8/30/2009 |
Q: I have about 25 conifer trees planted around the outer perimeter of my garden, and we have just ...
A: Paul: Thnx for the pics. You have a variety of evergreens in this row, including a few that appear ...
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| Conifers | 8/30/2009 |
Q: I have about 25 conifer trees planted around the outer perimeter of my garden, and we have just ...
A: Paul: Again, I don't see anything that stands out to me as a true biotic disease. But, be on the ...
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| willow tree losing leaves | 8/30/2009 |
Q: We have a large willow that has started losing leaves at a daily rate. they turn yellow and on a hot ...
A: Kevin: Check for any damage to the bark near the base of the tree. Check also for any apparent root ...
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| Snow blossom Weeping Cherry Tree | 8/29/2009 |
Q: I noticed some ants crawling on the leaves of my tree. The tree is young and I do not know if it is ...
A: Ellen: Ants, by themselves should not cause any damage. I expect they are there for some other ...
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| Trembling Aspen | 8/29/2009 |
Q: Vann, I have a mature trembling aspen on my front lawn. I am estimating it's age at 25 - 30 years, ...
A: Carol3: These swellings may be an insect borer inside the branch or perhaps a canker caused from a ...
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| aspen tree disease | 8/29/2009 |
Q: my aspen tree has leaves that have pea shaped things that are on the back of the leaf along the main ...
A: Judy: These structures may be an insect gall called Phylloxera. Google this word for pictures to ...
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| boxwoods | 8/29/2009 |
Q: I have two boxwoods that have been in planters for about 3 months. Patches of leaves have begun to ...
A: Frank: Boxwood is prone to a couple of root problems. Too much water can lead to big problems. Be ...
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| Conifers | 8/28/2009 |
Q: I have about 25 conifer trees planted around the outer perimeter of my garden, and we have just ...
A: Paul: An image or two may be in order for me to have a better idea of your problem. Please note: ...
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| monkey puzzle tree | 8/28/2009 |
Q: I have just moved into my new house and have inherited a stunning 30 feet monkey puzzle tree. I have ...
A: Tahera: The "ooze" maybe an indication of a resin or sap flow from an opening in the bark. This ...
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| euonymus | 8/28/2009 |
Q: the leaves are falling off,limbs and foliage have a small white tiny looking thing on them, all I ...
A: Len: In my part of the world, scale insects are the big issue. Small white "specks" usually on the ...
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| Vinca | 8/27/2009 |
Q: Our vinca has dead leaves throughout the growth. Started two years ago along the edges. We thought ...
A: Andrea: Are you referring to annual vinca (Catharanthus)? If so, there is a disease called branch ...
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| honeysuckle plant disease | 8/27/2009 |
Q: plant has vined vigorously but never bloomed due to infestation of what looks like house flies. ...
A: Peter: I am not a good "bug person", and am unable to make a determination of identification of the ...
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| Red Top Ligustrum | 8/27/2009 |
Q: We have just noticed a thick white growth starting on the exposed roots of our Red Top Legustrum and ...
A: Dorothy: This growth may be a type of mushroom or other fungus on the roots. It may or may not be ...
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| Kwanson Cherry Tree is dying! | 8/27/2009 |
Q: I need help. I have a Kwanson Cherry tree in my front yard. I have lived there for 14 yrs and it ...
A: Becky: I suspect something other than this insect. Look at the trunk and larger branches for ...
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| Conifers | 8/27/2009 |
Q: I have about 25 conifer trees planted around the outer perimeter of my garden, and we have just ...
A: Paul: Some pines drop their inner needles during the year, so this alone is not an indication of a ...
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| Ficus Tree - shriveled leaves | 8/26/2009 |
Q: I have a ficus tree that is about 6 feet tall and has been very healthy. Recently I noticed some ...
A: Leslie: It would be helpful to get an ID on the insect that you found. Some critters can cause ...
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| Red Emperor Japanese Maple Dying? | 8/26/2009 |
Q: I planted an 8 foot tall Red Emperor JP this spring. It has now lost all of the red color to the ...
A: Carrie: I don't think your tree is dying. Some JMs have different colored foliage during the spring ...
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| Jade Tree | 8/25/2009 |
Q: I have a 12 yr old jade tree - that I thought was doing great - it had lots of branches, some ...
A: Mary Ann: Good Morning. If the stem fell over as a result of the mushy area, then there may be a ...
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| Cleveland and Bradford Pear tree | 8/25/2009 |
Q: I have both trees the Bradford Tree had a web on end of branch which I was able to cut off and ...
A: Elaine: These are probably fall web worms. They are very common on sweetgum, pecans, and sometimes ...
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| pine tree | 8/25/2009 |
Q: "I have a Pine Tree that has a few branches that look like they are covered in black oil. Even the ...
A: Mary: The black coating stuff may be sooty mold. We see this on crapemyrtle alot! Leaves/stems get ...
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| crepe myrtles | 8/25/2009 |
Q: We have had 4 crepe myrtles for 3 years and only 1 bloomed during the first. They all look green and ...
A: Joyce: Your growing season may be shorter compared to other areas. In your area, these plants may ...
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| tree planting | 8/24/2009 |
Q: we live in NJ and we planted 7 2" caliber october glory maples august 19th. the weather happened to ...
A: Jeff: At this time of year, watering frequency is important. I usually "flood the hole" as soon as ...
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| weeping cherry bloosom | 8/24/2009 |
Q: My weeping cherry bloosom is sick! My husband and I purchased this tree last summer it bloomed ...
A: Lynette: Wet/poorly drained soil can create a serious stress condition than can lead to root rots ...
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| Rose of Sharon disease | 8/24/2009 |
Q: I have 2 Rose of Sharon trees with cluster of small greenish-brown nodules growing on them. They ...
A: Laura: These nodules appear as adventitious root initials from your photo, this can occur especially ...
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| small tan beetles on black locust | 8/24/2009 |
Q: I have a black locust that has started to get leaves that are yellowing and dropping at a rapid ...
A: Amanda: Best to get these "critters" identified so as to (1) find out if they are harming your tree ...
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| poplars | 8/24/2009 |
Q: I live in Southern Alberta , Canada and my question is.... The leaves on my poplars are turning ...
A: Ilona: The reference I have here doesn't indicate powdery mildew occurring on Caragana, despite the ...
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| Plum Tree Mould | 8/23/2009 |
Q: our plum tree is covered in fruit but some of the plums have a creamy circular type mould growing on ...
A: Shaz: Take a look at "Brown Rot" on Google Images and see if this looks similar to your situation. ...
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| hedges disease ? | 8/22/2009 |
Q: WHILE PRUNING i notice powdery mildew on leaves also a thick white substance on main branches that ...
A: John: Can you send a photo of this stuff? It may be an insect infestation, but would need to see ...
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| Emeral Arborvitae | 8/22/2009 |
Q: I bought three arborvitae that are approximately 4 ft. high. One has been transplanted into another ...
A: Betty: That's a tough one. Not being able to see and examine the plant makes it a head scratcher. ...
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| Jasmine problem | 8/21/2009 |
Q: I have a jasmine in my London garden which has been happily in situ for 12 years. It flowers ...
A: Rachel: Hello and good morning from Arkansas. I am glad to hear from a visitor from afar! Bark ...
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| crepe myrtle | 8/21/2009 |
Q: I have two crepe myrtles that are 9 years old. They are in a flower bed about 10 feet apart. They ...
A: Steve: The black stuff (sooty mold)is a result of the aphids. There are a few insecticides out ...
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| Tulip Tree shedding limb bark | 8/21/2009 |
Q: I have several tulip trees (North Central Indiana) and every summer several large and small limbs ...
A: Brian: I am not aware of an infectious disease that may causes these symptoms. This may occur as a ...
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| holly bushes | 8/21/2009 |
Q: I have a male and female holly bush that I have planted in our landscape. Over the summer, both ...
A: Janice: If you have clay in the soil, this may create a stress condition for the shrubs. If the ...
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| majestic oak tree with a problem? | 8/21/2009 |
Q: I have a majestic oak tree in my yard in Maryland. Recently I have noticed a series of dark ...
A: Bob: Difficult to say the origin of these "blotches", but these areas may be a direct result of ...
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| Wax Myrtle | 8/20/2009 |
Q: We planted wax myrtles in February 09. Shortly after, we had a frost and some of the tender new ...
A: Rachel: May be best to see if there is someone who can make a "house call". It is difficult for me ...
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| southern magnolia tree | 8/20/2009 |
Q: I have a three year old southern magnolia tree.I live in Devine Tx I have never had any problems ...
A: Dawn: Magnolia is a hardy tree. If the leaves changed overnight, I would probably be suspicious of ...
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| Honey Locust tree | 8/20/2009 |
Q: We have a locust tree in our yard about 12 years old. This year there are very few pods on it, and ...
A: Lisa: These mushrooms may represent the presence of an internal disease problem if they are growing ...
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| Evergreen is dying | 8/19/2009 |
Q: I have an evergreen that has been doing just fine for about 10 years. I recently noticed that a lot ...
A: Erica: Those things that you mentioned are all good. I have not heard of dogs doing this type of ...
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| Evergreen is dying | 8/19/2009 |
Q: I have an evergreen that has been doing just fine for about 10 years. I recently noticed that a lot ...
A: Erica: Good Morning- Hello Again. This Branch Canker disease mentioned in my earlier reply affects ...
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| Evergreen is dying | 8/19/2009 |
Q: I have an evergreen that has been doing just fine for about 10 years. I recently noticed that a lot ...
A: Erica: This tree looks like a Leyland Cypress. This tree is quite susceptible to a branch disease ...
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| New Wisteria plant dying | 8/19/2009 |
Q: I just planted a new Wisteria plant this summer. I love the blooms and I had heard they are a very ...
A: Lori: Good Morning! If the bark has been chewed away on the lower stem, and leaves and twigs are ...
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| boxwood die back | 8/19/2009 |
Q: I live in Iowa on boarder of area 4,5. 2 years ago I planted boxwood from Chicago land. 5 did not ...
A: Richard: Replacement following removal of the diseased plant is the best. Try to get out the entire ...
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| sticky leaves | 8/18/2009 |
Q: Vann, I have a zebra plant for 3 years and recently it started losing leaves and I find a sticky ...
A: Carolyn: Very nice plant you have! One of my favorites. The sticky stuff is probably "honeydew", ...
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| Japanese Red Maple | 8/18/2009 |
Q: We have a 30+ years Japanese red maple that is absolutely beautiful. Yesterday, we found the bottom ...
A: June: I'm not very sure on this one. If possible, can you send a photo in a separate email? Take a ...
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| Locust tree problem? | 8/17/2009 |
Q: We have 3 honey locust trees in our backyard in New Haven County CT. I estimate them to be slightly ...
A: Fran: The jelly stuff is probably a fungus that is strictly saphrophytic (growing on dead ...
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| White Birch | 8/17/2009 |
Q: We live in MN and we have a White Birch that is loosing it's leaves and the limbs look dead on 1 ...
A: Deb: This situation ("weeping") does sound like a normal reaction for birch when pruning is done. ...
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| Our flowering cherry tree has growths on the bottom of its leaves | 8/17/2009 |
Q: My dad showed me his flowering cherry tree in our backyard. He said it has been there for 30 or more ...
A: Joseph: These are leaf galls caused by a very small Eriophyid mite (not a true insect- it has 8 ...
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| boxwood die back | 8/16/2009 |
Q: I live in Iowa on boarder of area 4,5. 2 years ago I planted boxwood from Chicago land. 5 did not ...
A: Richard: Boxwood can develop a few root diseases, including a Phytophthora root rot that is assoc./ ...
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| Forsythia Disease? | 8/15/2009 |
Q: I have 3 dwarf forsythia bushes. The leaves on the ends of the twigs have begun to curl up, turn ...
A: J. These plants are pretty hardy. Unless the leaves are spotted, I would lean toward a potential ...
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| Japanese Maple dwarf size when bought. | 8/15/2009 |
Q: We have had our Japanese Maple for 18 years and never had a problem. I have noticed in the last ...
A: Pamela: Examine the trunk for any evidence of bark damage (chewing, string trimmer, holes in the ...
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| JonaGold Apple Disease | 8/15/2009 |
Q: I have a Jonagold apple I planted a year ago. It seems to be growing very well - new growth this ...
A: Rich; If leaves are curling w/o any discoloration- may indicate an insect or environmental stress. ...
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| split bark on magnolia tree | 8/15/2009 |
Q: We have a 6' magnolia tree with a trunk diameter of about 2". The tree was moved about a year and a ...
A: Marietta: Bark splitting and loss may indicate internal decay/disease activity that is usually a ...
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| willow tree dying | 8/15/2009 |
Q: What would cause a willow tree that is about 15 ft to suddenly have leaves through the middle of the ...
A: Silver: Be sure that the tree is getting adequate water- these trees usually like plenty of water, ...
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| Cherry Tree disease | 8/14/2009 |
Q: Vann, I am a fellow expert (Water Quality, Home Improvement, North Carolina). I have 3 cherry trees ...
A: Steve: This does indeed sounds like "shot hole" sometimes called Coryneum Blight, a disease of ...
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| Cleveland Pear leaves | 8/13/2009 |
Q: We planted 3 6-8' Cleveland Select trees in the spring. We have had a very odd summer...cooler and ...
A: Brandi: I agree, doesn't look like FB. That is the worse infectious disease we have here in this ...
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| Japanese Red Maple | 8/13/2009 |
Q: Our 35 year old Red Japanese Maple doesn't have as many leaves as it once had and looks sparse. The ...
A: Walter: I appeciate your comments. It is indeed very difficult and sometimes down right dangerous ...
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| Crepe Myrtle yellow leaves | 8/12/2009 |
Q: I have a two year old Crepe Myrtle and the plant was healthy until about two weeks ago when I ...
A: Irene: If those red/yellow leaves have some small black spots or blotches on them, then it may be a ...
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| Flowering Plum Tree Problems | 8/12/2009 |
Q: I planted a flowering plum tree in a flower bed approx. 4 years ago. It has grown to be quite large ...
A: Donna: Too much water can create an ideal environment for root rot. A well drained soil is ...
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| Sunset Red Maple problem | 8/11/2009 |
Q: Our sunset maple is approximately 15 years old and we live in Central Ohio. The bark has vertical ...
A: Julie: Sounds like your maple has a few issues. Can you send me a photo of a group of leaves that ...
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| krauter vesuvius flowering plum and diseases | 8/11/2009 |
Q: We have a krauter vesuvius flowering plum and it appears to be dying. Leaves have an orange tint ...
A: Gary: If the whole tree looks in trouble, check out the trunk area, especially in the area near the ...
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| trees dying from light green gray substance | 8/11/2009 |
Q: I have two apple trees and one has not blossomed at the top of the tree, on the dead branches is a ...
A: Jodi: Is this substance leafy or crusty-like and grows on the bark? If it is, it may be LICHENS. ...
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| my wondering jew houseplant | 8/11/2009 |
Q: my wondering jew has brown spots all over the leaves what should i do?
A: Debra: Wandering jew can have several things that can cause spots on the leaves. Things to think ...
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| Bradford pears | 8/11/2009 |
Q: I have about 15 pears lining my driveway (about 6 feet from the ashpalt) - they were installed 2 ...
A: Brett: Could be fire blight as you mentioned. This is a significant bacterial disease problem in ...
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| Ficus | 8/10/2009 |
Q: All of the ficus hedges in my yard (3 separate groupings at least 15 or more feet apart) seem to ...
A: Kerry: Can you take a closeup photo of these drops on a leaf? Be sure that you review the photo on ...
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| White Oak Disease | 8/9/2009 |
Q: Many of the leaves on our white oak tree have yellow, yellow/pink fuzzy round balls on them. Are ...
A: Debbie: These fuzzy balls are probably some type of a gall insect. Google "oak galls" and take a ...
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| Debra Maple | 8/9/2009 |
Q: I have a Debra Maple that is about 10 years old. It has always been slow growing but a beautiful ...
A: Kathy: Lichens do not cause disease, they merely grow on the surface of older trees and shrubs, ...
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| pecan tree unusual pealing | 8/9/2009 |
Q: I have several Pecan trees in my back yard in Dallas Texas. One of the trees has bark pealing from ...
A: Tim: That is a head scratcher for me also. What about a lightning strike? It usually runs down the ...
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| Lacebark Elm | 8/9/2009 |
Q: We planted our lacebark elm tree 5 years ago. Something is wrong with it, and we don't know what!! ...
A: Kym: Take a close look at the base of the trunk in the area of bark peeling and see if there has ...
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| problems with jasmin | 8/8/2009 |
Q: Ilive in Spain and have a beautiful jasmin which I have had for years.Itis about six foot tall and ...
A: Marilyn: Greetings from a far! So far you are my furtherest customer--CONGRATULATIONS!!! Browning ...
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| Magnolia Bush | 8/8/2009 |
Q: Our Magnolia bush is about 10 years old and was doing well until this summer. There are white fuzzy ...
A: Mary Ann: The black stuff is called "sooty mold" and is a result of insect presence and feeding. ...
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| Tree Fungus | 8/8/2009 |
Q: I live in Staten Island, NY and have what I beleive is a Maple, that turns red in the fall. It is ...
A: Greg: These gray and green crusty things are lichens--not disease causing organisms. We tend to see ...
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| yellow something growing in house plant pot | 8/8/2009 |
Q: I have a hmm, philadanderem (mispelled badly) and I just noticed there is a bright yellow something ...
A: Cheryl: There are a myriad of fungi that can grow in soils that are rich in organic matter and do ...
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| foxtail palm dying | 8/7/2009 |
Q: I have a foxtail palm we planted 1 year ago. It is currently about 15' tall. About 4 weeks ago, ...
A: Dawn: This shrinking area may be an indication of a serious problem- possible a terminal condition. ...
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| OLD cherry tree rotting? | 8/7/2009 |
Q: We have a GORGEOUS old tree by the house..beautiful pink blossoms in the spring....told it was some ...
A: Susan: This tree may have some level of decay inside. It may be in the main stem or in some of the ...
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| Pin Oak Disease | 8/7/2009 |
Q: I have a large mature pin oak that is draining a sticky sometimes frothy white secretion around ...
A: Lynn: This situation does sound like the bacterial disease called Slime Flux or Bacterial Wetwood. ...
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| Ivy disease | 8/7/2009 |
Q: Not sure if this is a question that comes under your category of expertise. But if your have any ...
A: Christine: Greeting from Arkansas! Very nice ivy! Sometimes called variegated Persian Ivy. Leaf ...
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| Cleveland Pear Trees | 8/7/2009 |
Q: Our community planted Cleveland Pear trees along our streets about 5 years ago. On my property I ...
A: Vic: In Arkansas, we are currently seeing many ornamental pears (Callery) defoliate after the leaves ...
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| disfigured Gartenmeister Bonstedt Fuschia leaves | 8/6/2009 |
Q: I've grown Gartenmeister Bonstedt Fuschias for years, both overwintered and purchased from a ...
A: Maura: I strongly suspect that something is happening to the leaf as it begins to open and ...
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| tree fungus | 8/6/2009 |
Q: The tree in question is a sugar maple there are light free flower shaped fungus on the trunk of the ...
A: Dan: If this "mushroom" is clearly growing from the trunk or roots, this may indicate some level of ...
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| disfigured Gartenmeister Bonstedt Fuschia leaves | 8/6/2009 |
Q: I've grown Gartenmeister Bonstedt Fuschias for years, both overwintered and purchased from a ...
A: Maura: Holes in the leaf are good indicators of insect feeding. Do you think that both problems ...
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| dwarf lime tree | 8/6/2009 |
Q: i have a dwarf lime tree,and at the ends of the branch the end leaves have squigally lines on them. ...
A: Valerie: Check out images on "Google for "Leafminer". The immature insect burrows between the ...
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| carrotwood tree | 8/5/2009 |
Q: I have 3 carrotwoods in my back yard around a pool in southern CA. They all seem to be losing ...
A: Kief: Trees can lose their leaves for several reasons- sometimes related to root stress e.g. ...
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| Aspen Tree Burrowing Insect Identification | 8/4/2009 |
Q: I need to identify this insect that keeps burrowing into my aspen trees leaving behind holes in the ...
A: Waleska: Best to collect a few of these "critters" in a jar or bottle and drop in to your local ...
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| Blue Rug Wiltoni Juniper? | 8/4/2009 |
Q: i have these and ones that are taller junipers, and i have a BAD odor around the front porch where ...
A: Kim: An ammonia-like smell may help w/clues. Sometimes urine (not mine-ha-ha)can actually "burn" the ...
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| Tulip Poplar | 8/4/2009 |
Q: 15 year old tree leaves are turning yellow and some brown with veins turning black. Tree is ...
A: Vicky: Unfortunately, no band-aid available. Those pruning paints that are sold to brush or spray on ...
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| Crab apple tree | 8/4/2009 |
Q: I have 3 crabapple trees and all have lost the majority of their leaves to something that has eaten ...
A: Anne: Bugs aren't my best suit, but it would be best to try to find some of these critters, get them ...
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| Tulip Poplar | 8/4/2009 |
Q: 15 year old tree leaves are turning yellow and some brown with veins turning black. Tree is ...
A: Vicky: One of my favorite trees too! They are quite plentiful here in Arkansas. I know, at least ...
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| irregular, curly, distorted growth | 8/3/2009 |
Q: I am a professional gardener in central California and I'd like to try to describe a phenomenon that ...
A: Lesley: Several things can cause these distortions including the microorganisms such as viruses, ...
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| japanese Maple disease | 8/3/2009 |
Q: I have Bonfire Japanese Maple that is about 3 years old. Suddenly entire branches are dead or ...
A: Kerry: The black color may be the result rather than the cause created by the apparant decay ...
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| Live Oak disease? | 8/3/2009 |
Q: My parents have an oak tree that developed a small split in the base of the trunk and has ...
A: Matthew: I lived in Fort Myers for about 6 yrs and I can tell you all about the lightning! It can do ...
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| Willow Tree=follow-up info | 8/3/2009 |
Q: I have what seems to be a cocoon in every tree branch of my willow with the other leaves nibbled ...
A: Dona: I am not sure how big your willow tree is. I doubt if these insect will have a major impact ...
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| japanese Maple disease | 8/3/2009 |
Q: I have Bonfire Japanese Maple that is about 3 years old. Suddenly entire branches are dead or ...
A: Kerry: Is this whitish stuff appear as a "fuzzy" covering? and is it near the soil line? If ...
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| Japanese Bloodgood Mapletree | 8/2/2009 |
Q: I have a damaged Bloodgood Japanese Maple. This tree was hit by a commercial truck. The tree has no ...
A: Ron: Someone really needs an "in-person" view of the tree plus an evaluation of the site and ...
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| plants dying | 8/2/2009 |
Q: In a section of my flower bed there is something killing my azalea bush and adjacent to it my Texas ...
A: Julie: It would be impossible to determine the "cause of death" without more information and ...
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| japanese Maple disease | 8/2/2009 |
Q: I have Bonfire Japanese Maple that is about 3 years old. Suddenly entire branches are dead or ...
A: Kerry: Symptoms of drought stress are usually not "sudden", usually a gradual process- beginning ...
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| peach trees | 8/1/2009 |
Q: My first peach tree was given to me two years ago. I planted it with the help from a master gardener ...
A: Mrs t: If it leafed out good and leaves looked good and you don't see any evidence of damage to the ...
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| oak tree disease | 8/1/2009 |
Q: My oak tree has been shedding leaves throughout the spring and summer. Almost all the leaves have ...
A: Bill: The spots may be a disease called anthracnose, but someone would need to see them to be sure. ...
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| corkscrew willow disease | 8/1/2009 |
Q: I have a corkscrew willow which has black spots on the leaves. What's the remedy?
A: Fletcher: If it is a big tree, best to maintain good fertility (based on recent soil test) and ...
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| Potted Plant Problem | 8/1/2009 |
Q: I noticed that one of my potted house plants had white spheres that were growing on the roots and ...
A: Luke: Not sure about this one either. Suggest clipping off a small root w/ these spheres on it and ...
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| tiny green bug possibly eating mango houseplant leaf | 7/31/2009 |
Q: i have a couple of 2 month old mango houseplants that look like somethings's eating some leaf... i ...
A: Stefano: I would feel better if you used a soap designed for plant use such as SAFER BRAND ...
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| tiny green bug possibly eating mango houseplant leaf | 7/31/2009 |
Q: i have a couple of 2 month old mango houseplants that look like somethings's eating some leaf... i ...
A: Stephano: This critter photo favors a leafhopper, however, these insects make thier living by ...
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| loquat diseases | 7/30/2009 |
Q: We have a 4 year old loquat tree whos leaves have suddenly started turning yellow and then brown and ...
A: Karen: This is a hard one! Several possibilities. It would be best to contact your local ...
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| Sago Palm | 7/30/2009 |
Q: Good day Dr. We were the king and queen of the Sago Palm to our neighbors until just days ago. ...
A: Chuck: If the plant went south as quick as you say, I might think more toward a soil related stress- ...
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| pear tree dying | 7/30/2009 |
Q: 1 have a cleveland pear tree, that the leaves are dead, don't know what to do with it, last year it ...
A: Norma: In my area many of the ornamental pears look like they are getting into the fall-- purple/red ...
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| Victoria plum tree disease | 7/29/2009 |
Q: When the fruit is well formed , a scale appears on some fruit, also a drop, or two, of gelatinous ...
A: Richard: The liquid may indicate a boring type of insect such as the Plum Curculio. Google this ...
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| crepe myrtle | 7/29/2009 |
Q: My crepe myrtles were recently (about 5 weeks) planted have yellow leaves on the lower portions of ...
A: Sheryl: Possible transplant shock (e.g. haven't fully acclimated to new surroundings). Best time ...
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| Japanese Red Maple | 7/29/2009 |
Q: Our 35 year old Red Japanese Maple doesn't have as many leaves as it once had and looks sparse. The ...
A: Walter: Sounds like you have gotten a lot of enjoyment from the tree. They are indeed one of my ...
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| sick leucothoe | 7/28/2009 |
Q: I saw your email on a website as I was looking for solutions to our coast leucothoe problem. We ...
A: Carol: Possible Powdery Mildew, a fungus disease that affects many plants. Resembles baby powder ...
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| Aristocrat pear trees | 7/28/2009 |
Q: I planted 4 Aristocrat trees in my front yard, and 1 of them has leaves that look like its fall and ...
A: Steve: If I am picturing your trees as you describe, this phenomena has been occuring on the ...
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| Mission Fig Tree | 7/28/2009 |
Q: Vann: I live in southern San Diego County and have 3 fig trees, 2 of them are some sort of greenish ...
A: Marcia: Best to start with a soil test. Contact you local county Extension office for instructions. ...
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| golden raintree | 7/28/2009 |
Q: quick browning of lantern shaped pods, sporatitic yellowing of leaves and defoliation of tree. ...
A: Richard: Pythium is often associated with saturated soils/lots of water in the soil profile. You ...
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| kwanzan cherry and weeping cherry | 7/28/2009 |
Q: I have attached pictures of my kwanzan cherry and weeping cherry. I don't know what's wrong with ...
A: Tom: Scale insects make their living by sucking out plant juices. They can be important on many ...
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| Ginko Tree | 7/27/2009 |
Q: My Ginko Tree has the leaves brown I don't know if is too much water, is usually watered every 3 ...
A: Guillermo: I'd probably hold off on the water for a bit. There is no magic formula for what is ...
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| mugo pine, branches turned black | 7/27/2009 |
Q: I have 2 dwarf mugo pines, both are exposed to the same elements and light. One of them all the ...
A: Janet: The black material may be sooty mold, which is a fungus growing on honeydew (insect poop). ...
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| crepe myrtle disease | 7/26/2009 |
Q: We have a six year old crepe myrtle which is showing black spots on the leaves. A few leaves have ...
A: Karla: This black spot may be a leaf disease called Cercospora Leaf spot. Google this to see if it ...
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| magnolia tree disease / insect | 7/26/2009 |
Q: I saw a similar question about white blotches on the stems of a magnolia tree in PA. You mentioned ...
A: Karen: The white "bumps" on the wood looks like a type of scale insect. On the leaf- possible ...
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| Weeping Cherry Tree | 7/26/2009 |
Q: I live on Long Island, NY and I have a weeping cherry tree that was planted last summer. It was ...
A: Jennifer: The "sap" exudation results from wounding- often from insect invasion into the wood ...
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| kwanzan cherry and weeping cherry | 7/26/2009 |
Q: I have attached pictures of my kwanzan cherry and weeping cherry. I don't know what's wrong with ...
A: Tom: The resin flow that I see in the photo results from a wound in the wood-often from an insect ...
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| Wisteria Mature robust flowering 2009 | 7/25/2009 |
Q: Our 15 year old Wisteria Vine had a hearty bloom in 2009. On July 21st it seemed fine. On the 22nd ...
A: Peter: I suppose the content(s) , especially if beach or a soapy solution might result in this. I ...
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| Hibiscus plants | 7/25/2009 |
Q: The flowers do not develop. What is this disease and how do I treat it with a natural product? ...
A: Eleanor. More than likely this is possibly an insect such as a wooly aphid or scale insect. If ...
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| Weeping willow fungus attack | 7/25/2009 |
Q: I have a weeping willow that has been infected with black canker disease. The tree company that ...
A: Nats: It sounds like a disease that we see here. In my area,it causes the ends of the small ...
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| Wisteria Mature robust flowering 2009 | 7/24/2009 |
Q: Our 15 year old Wisteria Vine had a hearty bloom in 2009. On July 21st it seemed fine. On the 22nd ...
A: Peter: If it was literally fine one day and dying the next, I would not expect an infectious disease ...
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| maple tree | 7/24/2009 |
Q: I have a crimson maple tree that has developed a "crack" in the bark of the tree at the trunk. Is ...
A: Roger: Cracks can be caused by several things including insect entrance,wounds and freeze/sunburn ...
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| rosemary web disease | 7/23/2009 |
Q: I have had 4 rosemary plants both planted and potted in various locations in the yard become ...
A: Natalie: Thanks for your plant question. I love rosemary by the way! I suspect the webbing may be ...
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| cherry blossom tree Kanzan | 7/23/2009 |
Q: My tree was damaged in a recent storm and a branch split off, but inside was some white spleckly goo ...
A: Victoria: There indeed might be some level of decay within. The wood usually gets soft/mushy. ...
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| Yucca problem | 7/23/2009 |
Q: I have 2 yuccas that I inherited when I moved into my new home 5 years ago. They were both doing ...
A: Jackie; I was unable to see an image attached to you message- sorry. You had mentioned weather- ...
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| Have found small (less than a 1/4") gray in color | 7/22/2009 |
Q: We have a 10 year old Bradford Pear tree, and noticed holes in the trees trunk, these holes are less ...
A: James: These small holes may indicated the presence of an insect borer that can tunnel into the ...
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| Yucca problem | 7/22/2009 |
Q: I have 2 yuccas that I inherited when I moved into my new home 5 years ago. They were both doing ...
A: Jackie: Thanks for your inquiry. Would it be possible to email me a photo? Just a photo of most of ...
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| Maple trees | 7/21/2009 |
Q: I have two maple trees in my yard. The leaves are falling off like it is fall. I noticed the ...
A: Cindy: I didn't realize that you can attach only one photo to your message- The holes definitely ...
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| Chanticleer Pear Fungus | 7/21/2009 |
Q: I have 7 Chantilcleer Pear trees that each year blossom beautifully in the spring with lots of new ...
A: Candice: I don't think the neighbors tree is a factor. Can you send me a photo as an email ...
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| Raised Red Spots on Maple Leaves | 7/20/2009 |
Q: I have a young autumn blaze maple with thousands of raised red spots covering the leaves. They are ...
A: This may be a gall insect rather than a disease. I am not aware of it having a significant impact ...
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| Maple trees | 7/20/2009 |
Q: I have two maple trees in my yard. The leaves are falling off like it is fall. I noticed the ...
A: If this is an established tree (not a newly planted), I do not think the holes in the leaves are ...
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| Pittosporum verigated (sp) | 7/20/2009 |
Q: I live in Sydney, Australia and my two pittosporum trees have borer. I have painted rogor around the ...
A: Shirley: Suggest sending your question to an entomologist, a person who has a great deal more ...
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| Yaupon Bush | 7/20/2009 |
Q: I have a yaupon bush that has two branches and I have cut these to look like balls. One branch is ...
A: Gene: These plants are quite hardy in your area. I suspect that there is something wrong with just ...
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| maple tree leaf | 7/20/2009 |
Q: One of my mother -in -law's maple tree (in mn)has slightly raised red bumps on the back side of all ...
A: Larry: Not sure, but these bumps may be an insect. If the tree is well established and looks good, I ...
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| Wisconsin Oak Tree (White) | 7/19/2009 |
Q: For the past few years my oak grows leaves which appear normal. Then later in the spring and ...
A: Mary: These leaf symptoms indicate a potential root dysfunction -possible contact or uptake of an ...
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| magnolia tree | 7/19/2009 |
Q: My magnolia tree has white, raised, ovals all over its branches and stems. The ovals appear fuzzy, ...
A: Jennifer: Possible insect since a goo comes out. Best to get someone with some bug knowledge to see ...
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| boxwood leafminer problem | 7/19/2009 |
Q: Vann, I hope you can help save my boxwoods from leafminers :-) Some of the leaves on my boxwoods ...
A: Deb: Initially, the immature(larvae) tunnel in between the upper and lower epidermis of the leaf ...
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| Meyers lemon tree | 7/18/2009 |
Q: I have a Meyers lemon tree in a pot that I have had for four years. It produced its first lemon ...
A: Renee: The stick stuff is called "honeydew" and is the result of an insect infestation. Aphids are ...
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| Weeping Holly | 7/18/2009 |
Q: I have a weeping holly that is 8 to 10 years old. Last year many of the leaves curled tightly ...
A: Mary Lou: Sorry, but bugs are not best best asset! I suggest carrying a few of the affected leaves ...
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| Crape Myrtle Disease | 7/18/2009 |
Q: I have a very old crape myrtle which has a sticky residue over the entire plant with a few what ...
A: Greta: This sticky/shiny stuff is called honeydew and is insect "poop". Aphids and a few other ...
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| aphids | 7/18/2009 |
Q: Vann, I think I have a serious case of aphid infestation. I haven't noticed any plants dying(yet) ...
A: Deb: The sticky/shiny stuff is honeydew or insect "poop". Aphids are notorious for producing this ...
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| boxwood leafminer problem | 7/18/2009 |
Q: Vann, I hope you can help save my boxwoods from leafminers :-) Some of the leaves on my boxwoods ...
A: Deb: Usually leafminers don't have much of an impact on the overall health of the plant. You may ...
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| stewartia pseudocamellia | 7/17/2009 |
Q: I have a ten foot stewartia I planted this passed spring. It receives all morning sun and couple ...
A: Steve: Check buds for thrips (tiny insects-1-2mm and they are fast moving too). These insect can ...
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| Elm tree bark peeling | 7/17/2009 |
Q: I have a young Elm tree that was planted approximately 3 months ago. The bark has begun peeling on ...
A: Laura: Not sure about this one. The sap leaking may indicate an insect that has gotten into the ...
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| Cucumber Problems | 7/17/2009 |
Q: Dr. Vann, We have been having white/brown spots on our cucumber plant leaves for the last two years. ...
A: David: I would be very suspicious of a plant disease- probably a disease called Target spot or a ...
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| Crype Myrtle disease | 7/17/2009 |
Q: I have a black powder all over my crype myrtle. It also has things that look like aphids all over ...
A: Ginger: This black stuff is probably sooty mold. See if it wipes off the leaf with a wet finger or ...
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| Green Layer on my Maple Trees | 7/16/2009 |
Q: I have two Maples in my front yard. One is a Red and the other Green. They recently were trimmed ...
A: Summer: The extra light probably stimulated the growth of these organisms--may be lichens ...
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| pine tree | 7/16/2009 |
Q: Can you tell by the photo what could be going on with this tree? We have many others on our property ...
A: Karen: Thanks for attaching a photo- helps more than you think. From your image, I do not recognize ...
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| Wisteria collapse | 7/16/2009 |
Q: Some three years ago we planted two plants of wisteria sinensis, in the very south of Sweden. They ...
A: Martin: From your description, this plant went from healthy to "graveyard dead" literally overnight. ...
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| Maple tree | 7/15/2009 |
Q: I planted a seed of maple tree, it germinated but now the leafs are withering, what can I do?
A: Conchita: Unfortunately, this condition may be terminal especially since the plant may be in a ...
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| birch tree deease | 7/14/2009 |
Q: My birch tree has a white powdering on some of the leaves. How can I identify what it is and what ...
A: Joseph: Thanks for your inquiry. If the white powdery substance looks like a light dusting of baby ...
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| dogwood | 7/14/2009 |
Q: i have a 3 foot dogwood that the leaves are turning black and falling off and bark coming loose at ...
A: shonda: Loose bark near the base of the tree may indicate insect borers that are notorious on DW ...
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| crepe Myrtle insects | 7/14/2009 |
Q: We have bugs that are drilling little holes right where the blooms should sprout from the base- and ...
A: Lyn: Thanks for your inquiry. Holes may indicate a potential beetle infestation. Stop by your local ...
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| maple tree | 7/13/2009 |
Q: i have two maple trees in my back yard, both are about 20ft tall. i live in NC. i noticed this ...
A: Bob: From your description, there may a couple of things causing this- difficult to say w/o seeing ...
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| maple tree bark and leaf white spots | 7/13/2009 |
Q: a young maple tree has bark peeling off from the base and leaves have white spot . Worried it may be ...
A: DEB; Presence of the ants in the tree is probably after the fact- most likely not the cause, they ...
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| maple tree bark and leaf white spots | 7/13/2009 |
Q: a young maple tree has bark peeling off from the base and leaves have white spot . Worried it may be ...
A: DEB: Bark peeling may indicate an underlying problem such as decay within the tree. Check to see if ...
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| Wisconsin Oak Tree (White) | 7/11/2009 |
Q: For the past few years my oak grows leaves which appear normal. Then later in the spring and ...
A: Mary: Could you send one or two digital photos of the leaves and the overall tree? I may have a ...
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| chanticleer pear tree | 7/11/2009 |
Q: I noticed that my pear tree didn't seem as full of leaves this year as it usually does. I am now ...
A: Nancy: If this "callery" or ornamental pear is like our "Bradford" pear here in Arkansas, the cause ...
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| Gingo Tree with black developing on leaves | 7/11/2009 |
Q: I have a young gingo tree and some type black fungus is developing on the leaves. It's possibly ...
A: Dewey: If this black covering rubs off with a wet paper towel or wet finger, then it is sooty mold. ...
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| indoor ficus tree | 7/11/2009 |
Q: My ficus tree has been loosing leaves lately. On inspection of the plant, I noticed small, white ...
A: Julie: These dots may be a type of insect such as scale. These "critters" make their living by ...
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| apricot tree | 7/10/2009 |
Q: I live in wi. this is my first apricot tree about 4-5 years old, can you take a look at the pictures ...
A: Tracy: This resin flow can be an indication of insect feeding. A suitable insecticide may be ...
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| Brown patches in rosemary | 7/10/2009 |
Q: I've read your website about the brown, dead patches in rosemary. Our plants are only two years ...
A: Michaela: Thanks for your question about Rosemary. Assuming this is an infectious plant disease ...
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