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| Subject | Date Asked | Expert |
| HELP-Emerald Green Arbivitae Dying | 5/15/2007 | Edward Gulliksen |
| Q: I live in Cumming-GA and I planted 9 Emerald Green Arbivatae around mid April 2007. Five of them ... A: Sandro, Soil type is very important to the survival of this type of Arbirvitae. Clay soils, or any ... | ||
| Leyland Cypress | 5/15/2007 | Edward Gulliksen |
| Q: We have a wall of Leyland Cypress and I noticed some are getting brown spots and not very looking ... A: Craig, There are a few fungal cankers that will cause die back on the plants, however, without ... | ||
| Leyland Cypress Issue | 5/14/2007 | Edward Gulliksen |
| Q: Good morning. I live in Maryland and have 7 Leyland Cypress trees in my front yard. Recently one of ... A: Irene, It is hard to say without actually seeing the pattern of damage, and the specific site ... | ||
| Wintergreen Boxwood damage | 5/14/2007 | Edward Gulliksen |
| Q: I have 30 wintergreen boxwoods outlining our property. We planted them last year and over the ... A: Chrystal, I would recommend fertilizing the plants heavily to encourage new growth. Water the ... | ||
| Trees killing my plants? | 5/13/2007 | Edward Gulliksen |
| Q: I had a landscape architect design and complete my landscaping, It has been three years since and I ... A: Chris, Maple trees do have a very extensive root system that will compete with all other plants ... | ||
| Problem with Forsythia | 5/12/2007 | Edward Gulliksen |
| Q: I have a forsythia shrub that is about 5 years old. I live outside of Philadelphia pa and the plant ... A: Kathy, The hollow pith (inside of the branch) is normal on Forsythias. I would suspect that the ... | ||
| Dying Blue Spruces | 5/11/2007 | Edward Gulliksen |
| Q: I live in Bucks County Pa, and had two 15 year old blue spruces that always did well, they were ... A: Terry, It is hard to say what could have caused this type of dieback on the tree that was not moved ... | ||
| Burning Bush | 5/11/2007 | Edward Gulliksen |
| Q: ..underneath my minature burning bush (7 ft:)) I have a lot of little (what I think is) bush plants. ... A: Kim, Transplanting these seedlings shouild be done in the late fall after the plants have gone ... | ||
| Holly Bush infestation | 5/10/2007 | Edward Gulliksen |
| Q: my holly bush/tree has an infestation. I pulled one of the infected leaves that had turned yellow ... A: Gabrielle, The adult fly begins to lay their eggs in the leaves around late April through May. ... | ||
| Weeping Higan Cherry--Wilting leaves | 5/9/2007 | Edward Gulliksen |
| Q: HELP!! I am a terrible gardener, but I try hard! Two years ago, I planted a Crepe Myrtle, ... A: Lynn, I think there is a possibility that the spraying that was done may have sent the tree into ... | ||
| windbreak | 5/9/2007 | Edward Gulliksen |
| Q: I need to plant two windbreaks. One will run directly alongside an established asphalt driveway and ... A: E, To be honest, 2 feet is not a lot of space for the plants, but, I think that you would be able ... | ||
| fertilizing holly bushes | 5/9/2007 | Edward Gulliksen |
| Q: Does it help to fertilize Hollys? A: Jan, Yes it does help to fertilize them, but I would recommend fertilizing only in the fall to ... | ||
| Privacy Living Wall | 5/9/2007 | Edward Gulliksen |
| Q: I am located in Gaithersburg, MD 20882. I am looking for options to consider for a Privacy Living ... A: Roxanne, For the privacy wall, I would recommend using any of the following: Arborvitae (Thuja ... | ||
| Planting Pairs | 5/8/2007 | Edward Gulliksen |
| Q: I live in zone 7 (NW atlanta) The soil is predominantly clay with some construction rock mixed in ... A: Tiffani, I have never been very good at perennial pairing, but some of my favorites are: ... | ||
| evergreen shrubs | 5/8/2007 | Edward Gulliksen |
| Q: I have several evergreen shrubs that are turning rust color and look like they are dying. I water ... A: Sylvia, The high salt content of the water is probably effecting the plants, but I do not think it ... | ||
| How to take care of my gardinias? | 5/8/2007 | Edward Gulliksen |
| Q: I just need some everyday things that I can do to keep my Gardinias healthy. I love them so much. ... A: Sugar, I would recommend that you check out the following websites for great instructions: ... | ||
| maple | 5/7/2007 | Edward Gulliksen |
| Q: My neighbors have an old maple near my driveway. For years it has been growing leaves in the lower ... A: Sandi, This growth is called adventitous growth. These would eventually grow into limbs and ... | ||
| PURPLE PLUM DEAD BRANCHES | 5/7/2007 | Edward Gulliksen |
| Q: I LIVE IN IL AND MY PURPLE PLUM HAS STARTED TO BLUM. BUT SOME OF THE BRANCHES THAT STARTED HAVE ... A: Todd, I would recommend that you check the branches for armored scale. Look for bumps on the limbs ... | ||
| Holly Bush infestation | 5/7/2007 | Edward Gulliksen |
| Q: my holly bush/tree has an infestation. I pulled one of the infected leaves that had turned yellow ... A: Gabrielle, If the insect was inside the leaf, then you have Holly Leaf Miner. This insect can only ... | ||
| arborvitaes | 5/7/2007 | Edward Gulliksen |
| Q: the expert e-mailed about my arborvitaes, telling me to use fishline. can you tell me about this ... A: Robert, One of the best places to order it is on line from North Country Organics. The website is ... | ||
| moving a mature shaped privot | 5/6/2007 | Edward Gulliksen |
| Q: hope you can help. We need to move two beautiful privots shaped like balls around 3 foot high to ... A: Jo, It is really too late to move these shrubs, they should have been moved in March or early ... | ||
| sick holly bushes | 5/5/2007 | Edward Gulliksen |
| Q: My parents have had china boy and china girl Holies for several years. In the last few years they ... A: Scott, If the problem is effecting the newer plants, then I would have to say that there is a ... | ||
| arborvite | 5/4/2007 | Edward Gulliksen |
| Q: can an arborvite be trimmed and still look OK or will it lose its shape as it is overgrown in its ... A: Marian, Yes, Arborvitae can be sheared if they are growing too large for the area that they planted ... | ||
| arborvitaes | 5/4/2007 | Edward Gulliksen |
| Q: the expert e-mailed about my arborvitaes, telling me to use fishline. can you tell me about this ... A: Robert, I have never heard of Fishline fertilizer, but I think that the expert was t telling you to ... | ||
| China Girl& China Boy Hollies | 5/4/2007 | Edward Gulliksen |
| Q: Both of my hollies have a black color soot on the leaves .. Any answers of what this could be ? ... A: Chris, What you are seeing is a fungus called Sooty Mold. This fungus is growing on the excrement ... | ||
| gardenia brown leaves dropping | 5/4/2007 | Edward Gulliksen |
| Q: I have two gardenias that have the new growth turning brown and other leaves a slight yellow and ... A: Carmen, I would advise you to check for Aphids or Scale first by looking at the undersides and the ... | ||
| Magnolia | 5/3/2007 | Edward Gulliksen |
| Q: Last year I purchased and planted a magnolia Jane tree. I planted it around May, and at that time ... A: Steve, It is possible that the harsh winter damaged the buds. It is also probable that the tree did ... | ||
| yew tree transplant | 5/3/2007 | Edward Gulliksen |
| Q: I had several 10'tall yew trees transplanted into my south central Pennsylvania yard the 1st week of ... A: Edna, They sound like they are going into transplant shock. I would recommend putting down some ... | ||
| azalea japonica "madame van hecke" | 5/3/2007 | Edward Gulliksen |
| Q: purchased pretty about 12" high in pot, should I plant now in garden or leave till autumn or spring, ... A: Mary, The sooner you get the plant into the ground, the faster it will be able to establish a ... | ||
| hydrenga flowering | 5/3/2007 | Edward Gulliksen |
| Q: I have two large hydrengas maybe 10 years old and they do not bloom. there is plenty of water and ... A: Jeremy, The reason the Hydrangeas are not blooming may be that they are growing rapidly. The plants ... | ||
| Barberry Disease or Insect Infestation | 5/2/2007 | Edward Gulliksen |
| Q: I live in NJ and have barberries throughout my landscaping. The last couple years I noticed in ... A: Carly, There are several possiblities- Barberry Aphid, Barberry Webworm or Scale. In all cases I ... | ||
| flame of the forest | 5/2/2007 | Edward Gulliksen |
| Q: I have got a flame of the forest which i have had a number of years and it now stands about 4 foot ... A: Mandy, I would recommend that you wait until after they are done flowering to do the pruning. ... | ||
| holly bushes | 5/2/2007 | Edward Gulliksen |
| Q: Last fall I planted 4 holly girl & boy shrubs. This spring the leaves are drying up and falling off. ... A: Susan, I would check the area that you are planting in. If this is the second group that you are ... | ||
| very sad looking azaleas | 5/1/2007 | Edward Gulliksen |
| Q: I live in Mid-Michigan and my azaleas are not looking so great. It's May 1st and I expected more ... A: Elizabeth, It sounds like the Azaleas have suffered some winter injury. I would fetilize again to ... | ||
| Leyland Cyprus | 5/1/2007 | Edward Gulliksen |
| Q: I recently planted some 7 gallon Leyland Cyprus here in lower Alabama. They don't seem to be doing ... A: Shawn, From the description they may have suffered some root burn from the fertilizer that you ... | ||
| transplanting a burning bush | 4/30/2007 | Edward Gulliksen |
| Q: We have a badly placed burning bush that we want to move about 7-10 ft. It has sprouted some leaves. ... A: Chris, It is best to transplant a winged euonymus in the late fall or early winter when it is ... | ||
| Skimmia Japonica | 4/30/2007 | Edward Gulliksen |
| Q: I recently planted Hydrangeas in my front garden but I wanted a small evergreen to plant among them ... A: Jennifer, Depending on what varieties that your nursery has, these plants can grow up to 4 feet ... | ||
| Winter Injury to Holly | 4/29/2007 | Edward Gulliksen |
| Q: I saw your answer to David including winter injury. I think this has happened to 2 of my 4 holly ... A: David, Winter injury occurs when broad leaf evergreens lose water from the stomates in their leaves ... | ||
| forsynthia bush | 4/29/2007 | Edward Gulliksen |
| Q: My son wants to remove a forsythia bush which must be at least 10 years old. It has never really ... A: Wanda, If you pull it out with a tractor, the Forsythia will not be able to saved. If you really ... | ||
| Caribbean Copper Plant | 4/29/2007 | Edward Gulliksen |
| Q: I have a few Caribbean Copper Plants in Los Angeles, and we had a particularly cold (freezing) ... A: Stan, If you haven't noticed new growth by now, I would say that the plant is probably dead. You ... | ||
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Top Expert on this page
I can help to diagnose any Tree and Shrub related problem, whether it be a disease or insect infestation.
I am an ISA Certified Arborist, Consulting Arborist and a licensed NYS Pesticide Applicator.
Organizations
I am Vice President of the Professional Certified Applicators of Long Island as well as a member of the New York State Arboricultural Association and the Long Island Arboricultural Association.
Publications
I write for Long Island.com as the Horticultural Expert.

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