Landscaping

How Much Wheat Straw Is Too Much (For A Bermuda Lawn)?

Q: I planted my lawn with bermuda seed and covered it with about 1/4″ of wheat straw. Was this too much? A: As long as the wheat straw doesn’t completely cover the soil and prevent sunlight from getting to the...

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Where To Find Open-Pollinated Cultivars Of Edible Crops

Q: I want to practice Landrace Gardening, in which the seeds to be planted next year result from the survival of the fittest in a particular garden in previous years. Where can I collect all the open-pollinated cultivars of edible...

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Blue Grass – Should I Reapply Pre-Emergent In November Or December?

Q: I applied pre-emergent to control annual blue grass for my bermuda lawn in early September. Do I need to reapply the pre-emergent one more time in November or December? A: Much depends on how heavy your annual bluegrass infestation...

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Should I Apply Fertilizer After Mid-September?

Q: I was planning to put down a 28-0-6 fertilizer when my zoysia grass goes dormant this year. I see that you do not recommend putting down fertilizer after mid-September. A: Keep in mind that, as day lengths shorten, zoysiagrass...

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Pine Tree – How Deep Do They Grow?

Q: How deep do pine tree roots grow into the ground? I have a sewer pipe located five feet underground and want to know if the pipe will be damaged by the tree roots. The nearest tree is six feet...

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Doveweed vs Buttonweed – Identification

Q: What’s the difference between doveweed and buttonweed? A: They are very similar. If you find the plant when it’s blooming, the ID is easy. Doveweed has blue or purple flowers; buttonweed has white flowers. See Doveweed vs Buttonweed vs...

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Sweetgum – Variegated Leaves

Q: On a bank behind the building where I work grows a sweet gum that has variegated leaves along with regular colored leaves. How does this happen in the wild? Could this be propagated somehow. A: Neat! There’s already a...

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Puffball – Red Marks on Top

Q: Can you tell me what this is? It was on the ground in Big Canoe. A: Retired Fernbank naturalist David Funderburk says it is a puffball. Specifically Calostoma microsporum or Calostoma cinnabarina. The puffball consists of a chambered, rough-gelatinous,...

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Sago Palm – Female Flower

Q: I have a sago palm. Normally it has two layers of bright green leaves. What is this round thing? A: The big ball in the middle is a female flower. It will open and display several reddish brown seeds...

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Holly Shrubs – Produce Different Leaves

Q: I have a row of holly bushes along my front porch. There are two different types of leaves on these bushes. Most are the smaller one you see in my photo. The larger grows faster but I prefer the...

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Oak Leaf Spots – Tubakia

Q: My red oak has lots of brown spots on the leaves. Should I do something? A: I think you’re in the clear. The spots look like Tubakia Leaf Spot. Some years will be worse than others, and many leaves...

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Oak Leaf Blister

Q: Our large oak tree’s leaves are dying. Can you tell us why and what should we do? A: This is a disease called Oak leaf Blister. It is common when we have cool, wet springs. Diseased areas grow slowly...

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Crapemyrtle – Black Leaves

Q: I have eight large crepe myrtles that have a black fungus and tiny insects on nearly all of the leaves. A: You have a beautiful example of crapemyrtle aphids. The white things on the leaves are their cast scans....

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Basil Leaf Spot – Identification

Q: This week I noticed black spots on the leaves of my basil. Today, I saw these weird dots/bumps on the stems. Are they eggs of a bug or maybe a plant disease? A: At first I thought the brown...

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Lawnmower Wheel Compaction – Weeds

Q: While walking in my neighborhood, I saw a weird stripe pattern in my neighbor’s lawn. What do you think caused it? A: I posted this on Facebook and received many guesses. The correct answer? The neighbors report that they...

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What To Use To Cover Red Clay Area With No Sunshine?

Q: What suggestion do you have to cover an area under our deck that is red clay but has no sunshine? What grass or ground cover could we use?  A: All plants must have sufficient sunshine to photosynthesize. I will...

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White Oak Tree – Leaves Are Turning Brown

Q: We have a large white oak tree in our back yard. This week we noticed all the leaves are turning brown, top to bottom. Any idea what is causing this?  A: This has been a terrible summer for white...

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Does UGA Test Soil For Weed Killer Chemicals?

Q: You recently responded to a question about wilted vegetable leaves that might be caused by weed killer. I had the same symptoms in a new garden bed I planted with top soil from a nursery. Does UGA test soil...

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