Gardening Q and A

Lime – Using Fast-acting Type

Q: I followed your recommendation to get my lawn soil tested. The results say I need to add 90 pounds of lime per 1,000 square feet. Is there a difference in pelletized lime and fast-acting lime? A: University of Georgia...

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Cedar-apple Rust – Preventing

Q: I have cedar-apple rust on an apple tree not far from a cedar tree. If I move the apple to the other side of the yard will it help prevent the disease? A: Cedar-apple rust is a major problem...

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Crapemyrtle – Planting Seeds

Q: I would like to learn about identifying, collecting and planting seeds from my crape myrtle. Can you help? A: The seeds are easy to collect and plant. Observe your plant and collect seed capsules when they turn brown. Let...

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Sweetgrass – Growing

Q: I’ve been trying unsuccessfully to grow sweetgrass, Hierochloe odorata. I have tried to follow the plant seller’s instructions but have not had any luck. A: There are two kinds of sweetgrass. One, Hierochloe odorata, is native to the Midwest,...

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Midges – Clouds of Them

Q: When I run near the Chattahoochee I often pass through clouds of tiny insects. What are they? A: They’re probably midges. Ohio State University experts describe these swarms of CHIRONOMID MIDGE FLIES (Family Chironomidae)   “The cloud-like clusters of these...

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Backyard Pond – Algae (Stocking Rate)

Q: I have a 500 gallon fish pond with 25 goldfish. It has green algae in it. How can I control the algae? A: I think you have too many fish for the pond….and the presence of green algae confirms...

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Sago Palm – Nutrient Deficiency

Q: My 6-year-old potted sago palm has been very hardy, but the new leaves and some of the old ones are turning yellow. Is the plant dying? I have never fertilized the plant and take it into the garage in...

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Rose – Cane Borer

Q: I am having trouble with my Knockout Roses. I have had these plants for quite a few years. Last year I lost two plants and was not able to see any reason why. They just began to turn yellow...

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Night Blooming Cereus – Propagate

Q: We wonder if you could help us with our cactus.We have had it for 20 years and it is getting too tall for our house. (seven feet) We take it out in the summer and take it in during...

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Emerald Zoysia – Shade Tolerance

Q: I had Emerald zoysia installed in the spring, with great attention to soil prep beforehand. I’ve noticed that it seems weaker in shady spots than my neighbor’s Emerald zoysia. Any guesses why? A: I think there are two possibilities....

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Aerator – Hand-powered

Q: I’ve seen hand aerators that you can step on to aerate your lawn. I’d like some exercise and avoid the expense of renting an aerator.  How long would it take to cover a half acre? A: Let me break out...

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Japanese Knotweed (Mexican Bamboo) – Identification

Q: There was no sign of this plant in Jan or Feb. Now it has been identified as Japanese Knotweed. It is on virtually every invasive species list in North America. It will soon be history in my yard! A:...

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Camellia – Oedema (Edema)

Q: My camellias were planted in June and get afternoon sun for 2-3 hours. I have watered them on a regular basis during the summer as with the other plants that were planted. I’ve not fertilized them. What is going...

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Hosta – Stem Rot

Q: I found this nasty disease on one of my hosta plants – apparently petiole rot. It seems odd to have this in summer drought conditions and (so far) only on one plant out of many, many hosta in my...

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Potter Wasp – Identification

Q: This thing was on a branch of my Russian sage. It looks like a miniature vase/urn made of red clay. I could see there was something inside it and I suspected it was a larva/caterpillar/ whatever but, to my...

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Hummingbird – White

Q: I wanted to share photos of a white hummingbird spotted at our feeder last night in Lawrenceville. I’ve never seen one before. Are they common? What is their official name? A: Several species of hummingbird live in Georgia part-time...

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Muscadine and Scuppernong – Propagating

Q: My grandfather passed away and he had a scuppernong, which he called a Scup Nuts Vine. Can you give me instructions on how to propagate it so I can save this sentimental plant? A: Muscadine and scuppernong vines are...

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Fescue Decline – Caused by Hot Nights

Q: I seed, re-seed and fertilize my fescue lawn every year. I get beautiful grass every spring until early summer and the heat kills it. The yard is mostly sunny all day. What do I do? A: Look at it...

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