| Subject | Date Asked | Expert |
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| Dogwood shrub | 7/29/2007 | Edward Gulliksen |
Q: I have four dogwood shrubs in my backyard. The stems of the shrubs are turning black and the ...
A: Rachael, There are several twig blights that effect dogwoods. Unfortuately, there is no fungicide ...
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| Crape Myrtle not blooming | 7/28/2007 | Edward Gulliksen |
Q: Planted a lovely Cape Myrtle shrub in June 06 and it was gorgeous all summer and fall. It gets full ...
A: Audrey, The majority of the time it is pruning that is at fault for non-blooming Crape Myrtles. If ...
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| Hershey Red azaleas | 7/28/2007 | Edward Gulliksen |
Q: My mother lives in Meridian, Mississippi and has several beds of Hershey reds planted approximately ...
A: Sarah, It is probably due to the newer, more insect and disease resistant cultivars being readily ...
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| Paulownia saplings with brown spotted leaves turning yellow then falling off | 7/28/2007 | Edward Gulliksen |
Q: I just asked this at another area ("Trees") and I believe the question went to someone else. I had ...
A: Clint, First, I couldn't access the pictures that you attached, but I will venture a guess anyway. ...
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| Gardenia Shrub/Trees | 7/28/2007 | Edward Gulliksen |
Q: I have two wonderful Gardenia Trees in my back yard. They are Gardenia 'Veitchi' that I have had ...
A: Bob, Thrips would explain the deformities in the flower buds. You will need to spray the plants ...
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| althea | 7/27/2007 | Edward Gulliksen |
Q: I bought this plant 4 yrs ago with buds - they did not open. I am now in my 4th budding - thousands ...
A: Erika, It sounds like the plant doesn't have enough energy to open the flower buds. I would ...
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| Texas Sage | 7/27/2007 | Edward Gulliksen |
Q: We have a row of 12 Texas Sage that are almost 6 years old. One of the end shrubs just up and died ...
A: JIm, Sage does not like alot of water, as a matter of fact, they do better if they are watered ...
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| Green hydrangea flowers? | 7/27/2007 | Edward Gulliksen |
Q: I got an hydrangea plant for my birthday last month. The flowers were blue, but after I planted it ...
A: Gail, The problem that you have is the soil Ph. You will need to have the soil tested to determine ...
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| shamrock inkberry shrubs | 7/26/2007 | Edward Gulliksen |
Q: I have two shamrock inkberrys, within the past month the leaves are turning bronze/dark brown and ...
A: Patricia, From the description of the bronze leaves, I would suspect that the culprits are spider ...
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| evergreen bush problem | 7/25/2007 | Edward Gulliksen |
Q: I have 29 evergreens (type I am not sure of) they are 28 years old and only recently have become ...
A: Amy, Haevy watering is the only thing that you can do in a situation like this. you will have to ...
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| shrubs | 7/25/2007 | Edward Gulliksen |
Q: I have some shrubs that have been here since I moved in so I don't know how old they are. I read ...
A: Valerie, There are many types of shrubs with needles (Yews, Hemlocks, Pines), and depending on ...
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| Barberry die back | 7/25/2007 | Edward Gulliksen |
Q: I live in rural (western) NJ and have two red/variegated barberry shrubs (about 10 years old). Both ...
A: Diane, While deer browsing may be a cuase for the die back, I am not sure this is the main problem. ...
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| Transplant Lilly Pilly | 7/25/2007 | Edward Gulliksen |
Q: We have 2 lilly pilly shrubs about 2metres high in semi-shade that we would like to transplant to a ...
A: Shirley, The raised bumps on the leaves are an insect called psyllids. There are several ...
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| Lack of blooms on hibiscus and orleanders | 7/24/2007 | Edward Gulliksen |
Q: I have beautiful green mature orleanders and hibiscus in my Florida yard, but annually there is a ...
A: Ed, When or are you pruning the plants? If you are pruning them in the spring, then you are ...
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| spider mite infestation:dwarf spruce tree | 7/24/2007 | Edward Gulliksen |
Q: i recently got a small dwarf spruce tree (about the size of a toddler) and when i got it the needles ...
A: Peter, There are only two ways to treat the mite infestation- with a miticide or with horticultural ...
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| PJM Rhodo suddenly dying | 7/24/2007 | Edward Gulliksen |
Q: One of my PJM Rhododendrons appears to be dying quite suddenly. The leaves have all curled up. It ...
A: Laura, For a rhody to wilt this fast, I would have to suspect the problem is a disease called ...
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| transplanting shrubs | 7/24/2007 | Edward Gulliksen |
Q: I would like to transplant some blue rug junipers and a crape myrtle tree (both about 2 years old) ...
A: Donna, It is risky to transplant in the summer, I would recommend waiting until the Fall and the ...
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| Rubber tree outside | 7/23/2007 | Edward Gulliksen |
Q: I recently moved a large potted rubber tree to an outside location to use as a 'live privacy ...
A: Sandi, I am not too familiar with the rubber tree, but from what I know, it is considered an ...
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| Meyer lemon problems | 7/23/2007 | Edward Gulliksen |
Q: I have a Meyer lemon in a large pot. It's a standard and approximately eight years old. It has ...
A: Tracey, The problem is the low temperatures. Meyers lemons die back in temperatures under 10 ...
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| Dying Athea Tree | 7/22/2007 | Edward Gulliksen |
Q: I have a twenty year old althea tree that I planted as a young shrub. It now stands over twelve ...
A: Deb, I would have to say that the culprits are the white flies, but, I would ask that you check the ...
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| evergreen bush problem | 7/21/2007 | Edward Gulliksen |
Q: I have 29 evergreens (type I am not sure of) they are 28 years old and only recently have become ...
A: Amy, Without knowing the exact type of evergreen that you have, it is difficult to diagnose the ...
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| shrubs | 7/21/2007 | Edward Gulliksen |
Q: I have two questions, actually. 1}. I planted a rose of sharon in a spot after I lost purple plum. ...
A: Kelcey, It sounds as if there is something wrong with the location. There could be some kind of ...
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| Magnolia | 7/20/2007 | Edward Gulliksen |
Q: I have two healthy bushes that are getting to large for the area they are in. What is the proper ...
A: John, Magnolias can be pruned back anytime after they finish flowering. As for the method, I would ...
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| Japanese yew and Dwarf blue spruce | 7/19/2007 | Edward Gulliksen |
Q: We just put in a new planting bed, 3 weeks ago. It includes several Emerald Spreader Japanese Yew's ...
A: Robyn, Check that the water is draining properly and that you are not over watering. The pattern of ...
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| 4 Sick Arborvitaes | 7/19/2007 | Edward Gulliksen |
Q: My husband just planted four 7-feet-tall Emerald Green Arborvitae (Thuja occidentalis) that he ...
A: Teresa, Keep watering every day through the summer months. Use a soaker hose and leave it on for a ...
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| prunning | 7/19/2007 | Edward Gulliksen |
Q: I have a row of privots to make a privacy wall. They are in their 2nd year of growth. I bought them ...
A: Janeen, Privets are one of those plants that can withstand haevy pruning. I would recommend letting ...
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| Jane Magnolia | 7/19/2007 | Edward Gulliksen |
Q: I live in lower Michigan and planted a wonderful Jane Magnolia in my front yard,in Spring one year ...
A: Cheryl, It sounds like the Magnolia was hit by leaf spot. this is a fungus the attacks the leaves, ...
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| Gardenia disease | 7/18/2007 | Edward Gulliksen |
Q: My gardenia bushes are turning black on the leaves and have a white sticky undercoating on the ...
A: Diana, Your Gardenias have Aphids. The sticky substance that you see is hoenydew- their excrement. ...
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| Newly planted mophead hydrangeas | 7/17/2007 | Edward Gulliksen |
Q: We live in Maryland and earlier this summer we had a row of mophead(big leaf)hydrangeas planted ...
A: Kevin, This paragraph was taken from the United States National Arboretum's website. I think it ...
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| Shrubs in Pots | 7/17/2007 | Edward Gulliksen |
Q: Good afternoon. I have a small blueberry bush and my neighbor has two arborvitae (about 4' tall) in ...
A: Bonnie, If you are going to keep them in the pots, then I would recommend bringing them inside for ...
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| arbervitaes | 7/17/2007 | Edward Gulliksen |
Q: my trees are dying turning brown i cant seem to stop this please tell me what tod do thanks ...
A: Tim, There are many different reasons why the arbovitaes could be dying. This is a case of needing ...
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| non flowering hydrangeo | 7/17/2007 | Edward Gulliksen |
Q: My plant is 9 years old. It flowered the 1st 2 years and nothing since. It has hardy green leaves, ...
A: Margaret, When do you prune it down? If you pruning at anytime other than mid to late summer, then ...
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| Potted Dwarf Alberta Spruce | 7/16/2007 | Edward Gulliksen |
Q: I live in Memphis, Tennessee and have 2 Dwarf Alberta spruces on my porch that have developed brown ...
A: Russ, It sounds like the plants may have been attacked by Mites. Container planted spruces, ...
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| dying evergreen shrubs | 7/16/2007 | Edward Gulliksen |
Q: I have several evergreen shrubs that are turning brown and dying. I don't know what kind they are, ...
A: Jill, There is no way for me to determine what is going with the plants with such sketchy ...
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| Rose plant | 7/16/2007 | Edward Gulliksen |
Q: I have 3 rose plants. tallest is >10 feet, This year all of them had average number of Flowers, but ...
A: Girish, Have you been fertilizing them and cutting them back? If not, I would recommend doing this ...
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| little gem evergreen shrub problem | 7/15/2007 | Edward Gulliksen |
Q: On some of my "little gem" evergreen shrubs, parts are becoming brown and bare.The foliage is ...
A: Sharon, If these are Boxwoods, which I think theyare, there could be several reasons for the die ...
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| Transplanting Hollies | 7/15/2007 | Edward Gulliksen |
Q: We just moved into a new house. The previous owners created a lovely garden environment in the ...
A: Bruce, I would not recommend moving the plants at this time. Root growth will be diminished and ...
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| Emerald Cedars | 7/14/2007 | Edward Gulliksen |
Q: Good Morning, I recently purchased and planted 17 x 6' Emerald Cedars. The roots were loose on most ...
A: Kevin, I think you are doing all that you can do. It sounds like the plants are going through ...
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| Gardinia | 7/14/2007 | Edward Gulliksen |
Q: My gardinia leaves are turning yellow and falling off.
A: Beth, One of the biggest pests of gardenias is white fly. I would recommend checking the plant for ...
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| hydrengea | 7/14/2007 | Edward Gulliksen |
Q: I planted hydrangeas shrubs in 2002. Out of three, one shrub had flowers for 2 years. Now, they ...
A: Susan, There are many reasons for the lack of vigor of the plants- mites, low temperature injury ...
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