Q: These weeds are taking over my garden [the reader sent a photo]. What can I do to control them?
A I think we can see from the range of weed questions in this column that weeds are growing in our gardens. The leaves of the vine are the glory of the morning, and the little weeds are the weeds of the corn. Fortunately, both weeds are annual and die in cold weather. Unfortunately, they are both good replanting seeds — especially strawberry weeds. Try to pull, pull, or cut as many weeds as possible to prevent overgrowth. Spraying with a contact weed killer may help, but it will not kill the seeds you are just waiting for next summer.
Q: Please identify this plant / weed [the reader sent a photo]. He got up on his own. It was beautiful in the summer.
A I think of the Paulownia tomentosa. I’m not sure why the leaf margin was broken – maybe a drought? This tree grows easily from seed and is a fast-growing plant. At the age of 5-7, it produces beautiful purple flowers. Unfortunately, I think every flower produces a seed, and it can be easily propagated. It is not a weak-forested and desirable shade tree.
Gallery – In the Garden – September 11, 2021
Q: I know what you’ve said before, but I can’t remember what you said. Help!
A Nutgrass is not easy to kill. Sedgehammer is a well-controlled herbal medicine. Spot spraying with Roundup may also help, but that product also kills other plants.
Q: Please identify this invasive plant [the reader sent a photo] And tell me about it in Zoisia grass and how to get rid of pine nutgrass? I just put zoysia last year. It was great for a year, but now I’m afraid these two weeds will not take over. Any help is appreciated.
A The weed in question is the Virginia button weed. It is difficult to get rid of herbicides. If you have one or two places in your new lawn, I will try to dig it out – roots and all. It’s hard to kill, so physical removal is best. Sedgehammer nutgrass can give you control. He is also a weed killer.
Q: Can you tell me what is happening with the new development on Zenis? It reminds me of the Rose Rose virus. Or could it be heat stress and dry conditions?
A I think your Zinnia is suffering from Aster Yellows. Yellow fever is a viral disease caused by pituitary. Insects, called leaf beetles, that suck the juice of plants can transmit the disease. Various symptoms can range from yellow and green to yellow blood vessels. Growth slows down, and leaves may be smaller and narrower than usual. The leaf is sometimes washed. Flowers can be damaged and show unusual damaged leaves. There is no cure for the disease.
Q: My Encore azaleas are now in full bloom. They are increasing so much. I know they want to prune after flowering. Does this apply to these plants as well? If so, how much can I shorten?
A Now that the anchovies are in full bloom, we will not cut them down after harvest. After the spring is over, treat them like regular spring flowers and prunes. If they are cut during the winter, they will be more susceptible to winter damage if we have winter.
Janet Carson, who retired at the University of Arkansas Extension Service 38 years later, is one of Arkansas’s best-known horticulturalists. Her blog is: arkansasonline.com/planitjanet. Write to her at 2221, Little Rock, AR 72203 or email her [email protected]