Q: My old purple-leaf plum trees unexpectedly have lots of red skinned fruit on them. Since it's fashionable to grow edibles in our landscape, how I can tell whether these plums are edible for humans (I don
Q: I have nearly two hundred roses. Recently I've noticed several plants with bizarre buds/leaves/stems. I am convinced that I'm dealing with rose rosette virus. One plant looks like it came from oute
Horticulturist – Alpharetta school
Q: I am a thirty eight year old medical sales professional and want to pursue a career in horticulture. Can you recommend a school in Alpharetta or nearby where I can obtain the credentials as a qualified horticu
Q: Is it possible to divide a peace lily? A: Sure, it's a perfect project to keep you indoors out of the heat! Spread newspaper on your kitchen table and pull the plant out of the pot. You'll notice
Q: Last year I had a problem with hornworms on my garden tomatoes. This year I planted tomatoes in containers on my very high deck, using store-bought potting soil. The hornworms are terrible still! Where did
Q: Does charcoal dust from my grill have any use in the garden? A: No. Discard it safely after it has cooled.
Brown porch beetle – Identification
Q: On your website you mention a brown beetle that "swarms around porch lights at night". I have so many I can barely open my back door. I would like to know what they are and how to get rid of them.
Q: We have been told that peanut shells are not good for mulch in flower beds because they attract nematodes. Is this the case? A: Peanut shells don't attract nematodes but they might bring them in from wh
Squash and zucchini – Pulling off
Q: I am growing squash and zucchini. I have two large yellow squash that are slightly green on the end and I am not sure when to pull them off. A: You can pick yellow squash and zucchini at any stage after the b
Q: I have an unlimited supply of horse manure. Can I use this as mulch/fertilizer around my bushes and trees without hurting them? A: If the manure has been composted long enough that it doesn't smell lik
Q: I have a dogwood with great sentimental value. My husband's job is transferring us to Tampa. Do dogwoods do well in that climate? Is it possible to dig my tree up and replant down there? A: I'm no
Blackberry leaves – Bug infestation
Q: I have found strange bugs eating my blackberry leaves. They are tan, about the size of a BB, and are hard shelled. When I touch one it falls off the plant and acts dead. Damaged leaves have notches along the
Q: I need some information on pruning camellias at this time of year. A: Flower buds have already formed on camellia branch tips. If you want flowers next season, prune lightly now, trying to remove only the lon
Mineralized fertilizer – Meaning
Q: An older gardening friend says we should all be using mineralized fertilizer. No one seems to know what that means. Can you help? A: It's sort of like my mother's muscadine hull pie. Thick muscadi
Q: I'm looking for groundcovers that tolerate soggy soil. A: Several spreading plants grow reasonably well in wet soil. Creeping jenny (Lysimachia nummularia ‘Aurea'), variegated Japanese sedg
Destroying weeds – Soil benefits
Q: I want to plant in an area that's full of weeds. Would it be better for the soil to cut the tall grass down, wait two days and till it under or spray Roundup on it, wait a while and till it under? Is the
Q: My husband and I recently purchased a new lawnmower. We would like to donate our old electric mower to charity. Can you suggest an organization? A: What generosity! The Atlanta Tool Bank (www.toolbank.org) ha
Q: Our nine-month-old boxer puppy chewed all of the bark off our plum tree. Is there anything we can do to save this tree? A: I don't have good news. If the bark has been removed completely around the trun
Q: I had a sweetgum tree growing underneath my power lines. The electric company came and cut it down. I have been trimming the stump sprouts like a shrub and it looks nice. Is there any reason that I can't
Q: Does ‘Meyer' zoysia get "old" and eventually die? My twenty-year-old lawn has always been lush and green. This year we have more brown patches than we have lawn. Our lawn service fertil
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