Gardening Q and A

Mondo grass – Weed control

Q: I have a dry stream bed with stone and dwarf mondo grass that has some weeds in it. How do I control them? A: Imazaquin (Image for Nutgrass) kills many broadleafed weeds plus fescue, ryegrass and crabgrass. Sethoxydim (Vantage)...

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Landscape plants – 1800s

Q: We have a home built in the 1800’s but would like to design with trees, shrubs and herbaceous plants used from 1900 – 1920. Can you give me a list of landscape plants for that period? A: The Cherokee...

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Loropetalum bush – Pruning

Q: I planted a loropetalum bush where I should not have, too close to the driveway. Is it OK to prune a loropetalum so that it stays a small bush? A: Loropetalum cultivars range in size from the tree-form ‘Zhuzhou...

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Flatheaded Borer – Identification

Q: Look at this worm that we pulled out of a fallen oak we were chopping for firewood. As you can see, they tunnel into the oak, eating with their little pinchers and leave a trail of sawdust-type substance behind....

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Wheat Sprouting in Fescue Lawn

Q: I planted seed three weeks ago. The grass has come up nicely but there are some tall sprouts that are twice as big as the rest of the grass. What are they? A: Did you use wheat straw to...

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Tree – Dead Root

Q: I have a 20-ft tall, ten-year old maple in my front yard. This summer I noticed a chunk of bark near the base of the tree splitting and peeling up. Recently a big chunk broke off leaving a huge...

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Flapjack Plant – Identification

Q: My wife and I have been trying for a year to identify this plant to no avail. It was a hand-me-down plant, given to us last fall. It was an outdoor plant, we took it inside when the weather...

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New Garden – Not Thriving

Q: We want to know if you have insight as to why our garden failed this year so we can avoid issues next season. We planted our garden in August, with mushroom compost and landscape soil turned into it. You...

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Cherry – Severely Pruned

Q: I have four Yoshino Cherry trees, about 8-10′ tall, and all get trimmed to about 6′ in early February. The sicker one lost a branch a couple of months ago – completely dead, so we lopped it off. Also...

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Luna Moth Caterpillar – Identification

Q: My son found this in the wood chips. It latched onto him when he carried it, and had small little spines on its back. A: A: It’s a luna moth caterpillar. Note the white stripe down the side, which...

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Pansy – Crown Rot

Q: I planted a large bed of pansies in mid- October. Most have been growing well. However, I noticed one plant that appears extremely wilted. Upon examination, it seems the stem of the plant at soil level narrows to the...

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Tomato – Whitefly Control

Q: I have a problem bug that has been killing my tomato plants and caused them to have black fungus. The same insects have destroyed my garden every year. A: Whiteflies are having a feast at your expense! This prolific...

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Canada Geese – Control

Q: Is there a way to control Canadian geese that won’t leave our pond? A: Extension agent Jule-Lynne Macie says Mike Mengak, UGA Extension Wildlife Specialist, always reminds people that, “A Canadian is a human being from the country of...

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Prostrate Spurge – Identification

Q: I have a plant in my lawn that spreads out like a mat in August and September. What can I do to control it? A: You have prostrate spurge. It is classified as a summer broadleaf annual. That means...

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Cucumber – Not Turning Green

Q: I am growing a cucumber that is supposed to be 10″ long when ripe. I watch them daily to make sure to pick them before they start turning yellow. Unfortunately, they never “greened up”. I applied fertilizer about 4...

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Tomato – How Long to Ripen (Extending Summer Season)

Q: I would like to have ripe tomatoes throughout the summer. Are there early, mid and late season varieties? A: Yes – there are varieties that claim to ripen earlier or later than others but predicting exactly when a tomato will...

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River birch – Dropping Leaves

Q: We have a birch tree in the front yard which I think has exceeded its water resources. I have to rake every other week to prevent the brown dry leaves that fall in that period from blowing into the...

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Tree Limb – Orange Fungus

Q: I recently noticed a couple of leafless limbs on my sawtooth oak. They also have a scaly orange fungus and one had a gelatinous, drippy mass of some sort. A: It looks like both limbs were shaded out by...

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