Q: What is the best way to get rid of (and then prevent) goosegrass in my fescue lawn? A: Goosegrass is an annual grass just like crabgrass. It comes up from seed every summer but it germinates much later than c
Q: Can you tell me what is wrong with my two Bradford pear trees? They have black leaves and dead ends on many of the branches. A: Your pears have fire blight. This disease is caused by bacteria rather than fung
Tomato – Deciphering Letters on Tag
Q: I recently bought a tomato plant from a garden center. The label says it is Lycopersicon esculentum ‘Celebrity' VFFNTASt. Can you decipher the letters after the variety name? A: I'm sure yo
Q: I saw an "evergreen" daylily offered in a garden catalog. They say it will not flower year-round but plants will keep their leaves in winter. Is there really such a plant and where can I purchase t
Q: Could you advise how to deal with moss on a home's roof shingles? A: Walk through your neighborhood and observe the roofs. Notice that the shingles below a roof-penetrating vent pipe are often a differe
Q: I have recently moved to a new place and want to plant blueberries. Although I've found information about them, I haven't seen specifics on whether southern highbush or northern highbush blueberrie
Q: I had a soil sample from my vegetable garden tested by the Extension service. The resulting report recommended I use ammonium nitrate (34-0-0) and 5-10-15 fertilizer. However, when I went to several garden cen
Cottonseed Meal vs Cottonseed Hulls
Q: I recently heard you advise gardeners to mulch with cottonseed meal, saying that it provides nutrients to azaleas, blueberries and raspberries. However, when I went to the feed store to buy some, I was told t
Q: We have several pine trees in a landscape island. At the end of the branches there is a substance that looks like white foam. Each tree has several masses, about one inch in size. Is it a normal happening or a
Q: I have a friend who was told that the leaves on trees flip over when it is going to rain, in order to better absorb the rainwater, and this is what gives trees their "silvery" tint before a storm.
Q: Could you please advise if insecticidal soap is a healthier way to treat pests on plants, trees, etc. than using other chemical pesticides? Is the soap gentler on the greenery? A: I think we have to get away f
Q: When can I plant poppy seeds? A: Poppy seed are most commonly planted in late October. Several kinds of poppy are grown in the South: Shirley poppy (Papaver rhoeas), Iceland poppy (P. nudicaule), Oriental pop
Q: Recently moved here from Canada, I really miss growing and harvesting rhubarb for pies and jams. Can it be grown here? A: Transplants to Atlanta from northern climes long for two things: lilacs and rhubarb p
Q: I have a problem with a butterfly bush that has been very healthy every season until now. One side of it is wilted with all the leaves shriveling. However, all the leaves are still green – none have turn
Q: I am interested in introducing dragonflies into a three acre wetland area on my property to assist with mosquito control. Does this seem feasible, and if so, where do I turn for information on obtaining larvae
Q: We are under attack from Argentine ants. Do you have any suggestions for getting rid of these creatures? A: The May rainfall affected ants in two ways: it flooded their nests and it slowed their foraging for
Q: I would like to purchase a book about identifying native plants of Georgia which includes pictures of them. Any suggestions? A: Start with these excellent downloadable references: Native Plants of North Georg
Q: What are some substitutes for Leyland cypress? A: Theresa Schrum replies: "We usually recommend plants that have a similar appearance and growth habit: Cryptomeria ‘Green Giant' Arborvit
Composted Cow Manure – Planting in It
Q: I have access to composted cow manure. I've ammended my vegetable garden with tons of the stuff and the soil is excellent. Can I use this same compost behind a stone wall in a new flower bed, 20 inches d
Nutsedge (Nutgrass) – In Liriope
Q: This weed has a spikey seedhead. It is growing wild in a liriope bed that is in full sun. A: You have yellow nutsedge (nutgrass). The chemical imazaquin (click for sources) is labeled for use on some liriope v
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