Gardening Q and A

Bumblebee – Nest

Q: I took this photo of a squirrel nest that was blown out of a tree. As I investigated it, there were carpenter bees all over it. Once they cleared out I opened the nest to find the bees had...

READ MORE

Allegheny Mound Ants – Control

Q: This ant mound is three feet wide around the tree base. I’ve heard them called Allegheny Mound Ants. I have been fighting them in my yard for three years now. What to do!? A: Dr. Dan Suiter is my...

READ MORE

Oak Leaf Blister – Identification

Q: There is something weird on my oak leaves. A: This is a fine example of oak leaf blister. The disease is favored by cool, moist conditions during budbreak and in the early stages of leaf development. It doesn’t seem...

READ MORE

Millipedes – On Tree Bark

Q: I have an infestation of millipedes on all of my trees: flowering cherry, dogwood, Japanese maple, camellia and silver maple. I am new to the state of Georgia, originally from New Jersey. A: Wow – I wouldn’t have believed...

READ MORE

Leaf Gall – On Leucothoe

Q: I live in Rabun County and I have this weird fungus on my leucothoe. Is it exobasidium leaf gall? A: You get the diagnostic prize: it’s Exobasidium vaccinnii! There are several members of this fungal clan. They cause leaf...

READ MORE

Dog Urine – Damaging Liriope

Q: A neighbor’s dog has made repeated visits to my lawn and has killed the border of liriope. How can that soil be reconditioned so that I can replant with grass or replace the liriope? A: There’s nothing particularly dangerous...

READ MORE

Sweetshrub – No Fragrance

Q: My sweetshrub’s flowers have absolutely NO scent! What’s wrong with it? A: I’ve never smelled one with an appreciable scent. Maybe our noses are impaired? The yellow-flowered variety ‘Athens’ is said to be reliably fragrant. I simply enjoy the...

READ MORE

Rosemary – Bacterial Gall on Stems

Q: A scaly growth is infecting my three-year old rosemary bush. It seems to be on the older stems. A: I think it’s a bacterial gall. It’s not uncommon to see bacterial galls like this on trees and shrubs. It’s...

READ MORE

Bishops Weed – Identification

Q: This is a bunch of “leaves of three”, but it doesn’t look like the normal color of poison ivy. Do you know what it is? I have a very large batch of it by the concrete wall. A: The...

READ MORE

Jumping Oak Galls – Identification

Q: We live on a fairly large heavily wooded lot with mostly oak trees. The problem we’re having is with the white oak trees only. A couple of weeks ago we noticed little brown pinhead-size, seed-like things dropping from them....

READ MORE

Volcano Cone South of Atlanta

Q: While flying south of Atlanta I saw what looks like a volcano. It is on a straight line between Manchester and Molena, about half way. Cove Rd and the Flint River go right thru it. I wonder if there...

READ MORE

Hydrangea Cane Borer

Q: For a number of years I’ve had a problem with some sort of borer getting into the stems of my hydrangeas. What can I do to get rid of them? A: There are any number of cane boring insect...

READ MORE

Tree Hopper – On Tomato

Q: Can you help me identify this insect found on my tomato plant, I think it is a buffalo leaf hopper. How to control it? A: Good eye! Yes, it is one of dozens of species of tree hoppers and...

READ MORE

Tree – Holding Water in Crotch

Q: My neighbor has a five-trunked Japanese magnolia. The crotch in the middle is about 8 inches deep and there’s usually 5 to 8 inches of water in it. She wants to drill a hole in it from the side...

READ MORE

Winged Elm – Identification

Q: We have an oak that’s 20′ to 25′ feet tall which has a strange growth on the bark. Do you know what this is and whether anything needs to be done? A: A case of mistaken identity! I think...

READ MORE

Houseplant – Leaf Spot

Q: I have a houseplant that looks like it’s being eaten by something but I don’t see any insects near it or on it. A: I can determine by the yellow “halo” around the notches that this is caused by...

READ MORE

Ivy Houseplant – Maintaining

Q: I need advice on how to nurse an indoor ivy plant back to tip-top health. My coworker has had it for ten years. For six months it has been limp and has been fading in color and in foliage....

READ MORE

Clothes Moth – Control

Q: Can you tell what kind of insect this is, they are all over my washroom. A: It’s a clothes moth. The female moth lays eggs on fabric and carpet. When the larvae emerge, they begin munching on it. You...

READ MORE