Gardening Q and A

Hydranges – ‘Nigra’ variety

Q: I recently bought a hydrangea that was called ‘Nigra’ however, there were no details about the plant attached to it. Not sure what color, does it need some sun, etc. It is lovely with blackish stems and nice green...

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Poison Ivy vs. Poison Oak ID

Q: Does Georgia have Poison Oak plants? A: Poison oak, Toxicodendron pubescens, does grow in Georgia but it is MUCH less common than people think. Poison oak leaves tend to have rounded lobes rather than pointed lobes; it always grows...

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Polyphemous Moth

Q: I found this giant moth in the yard. What is it? A: You found a beautiful polyphemus moth! This flying creature is found in wooded areas. Its equally distinctive caterpillar is bright green and up to three inches long....

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Creeping Cucumber – Identification

Q: We have a creeping vine that produces a seed pod which looks like a tiny watermelon about an inch long. The leaves are about 1″ across. It climbs up through existing bushes and also will climb under/behind wood siding....

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Dog Vomit Fungus

Q: We have something growing around the base of some shrubs. It looks like some kind of fungus. The first day we noticed it, it was spongy looking. A couple days later it looked like a stiff meringue. Now it’s...

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Oak Leaf Miner

Q: These diseased areas appeared on most of our oak trees. The trees have been healthy for the 40 years we’ve lived here. I think some of the trees are also affected down the street. From the pictures, do you...

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Pipsissewa – Identification

Q: What is this interesting-looking plant I found flowering in the woods? A: Striped pipsissewa, Chimaphila maculata, was one of the first forest plants taught to me by Dr. Frank Fitch, wildlife biologist at Rock Eagle 4-H Center. Like you,...

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St Augustine – Cold Tolerance

Q: The other morning you were talking on the radio about your lawn and it sounded like you have St. Augustine grass. We would love to plant St. Augustine but I hear it’s a gamble in Atlanta due to the...

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Mimosa Stump – Killing

Q: I want to kill a mimosa stump. Every time I cut it down sprouts reappear. A: Some trees and vines are impossible to kill just by cutting them down. Their roots and stump are primed to sprout after you...

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Mimosa – Growing

Q: I think I’ve heard you say that mimosa trees get a disease that kills them before they grow large. I’ve seen a huge one near Lenox Park. Will it die? A: It is true that mimosa trees die after...

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Carpetgrass – In Centipede Lawn

Q: Last summer I planted a grass mixture in our newly graded lawn. It had carpetgrass to fill in quickly and centipedegrass to establish more slowly. Now I have mostly carpetgrass, quite a few blobs of centipedegrass, and a moderate...

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Bermudagrass – Spring Dead Spot

Q: Our lawn is three years old and most likely infected with Spring Dead spot disease. We have bermudagrass sod in our front yard and have numerous brown spots which seem to be worsening now in late May.   We...

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Bermuda – Removing Fescue in Summer

Q: My back lawn was originally seeded with fescue and the front lawn was sodded with bermudagrass. Over the years bermudagrass has spread through the back yard. At this point I think that if I could get rid of the...

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Fire Blight – In Pear

Q: I have a 50+ year old pear tree that suddenly has shown signs of distress. After blooming and developing some fruit, the tips of some branches began to turn brown. It looks a little like freeze damage. The problem...

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Honeybee – Comb Left After Swarm

Q: I found these wax combs on a bush in my front yard in May. There were no signs of insects in the comb or around it on the bush. The cone is some type of wax. Can you please...

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Fescue – Pythium Blight

Q: We’ve done everything “by the book” to have a great lawn. We aerated and overseeded last October and again in April. We planted the most expensive grass seed and the lawn has been gorgeous. Now we are seeing light...

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Hickory Horned Devil – Young form

Q: Can you tell me what in heck these caterpillars are? A: According to my friends at BugGuide, you found the immature caterpillars of the hickory horned devil, which eventually turns into the beautiful Regal...

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Tree Wound Dressings

Q: We have a large white oak that had a large chunk of bark knocked off when inadvertently struck by a neighboring tree being removed. The wound is twelve inches wide by thirty inches high located six feet off the...

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