Pest Plants

Kudzu – Control in Winter

Q: In two weeks, we are going to try and clear out the dormant kudzu vines that are on the outside perimeter of our subdivision, along a very small drainage ditch. After we pull out the vines, can we treat...

READ MORE

Blackberry Vine – Weed Identification

Q: I have this weed/thorn vine growing in my side yard and I can’t seem to get rid of it can you help me. It’s like a rose stem that is reddish/green with thorns; it only grows about 1-2 feet...

READ MORE

Poison Ivy – On DeadTree

Q: A large dead pine tree at the edge of our property fell recently. All that had been growing on it was a massive vine of poison ivy. The base of the vine was at least twelve inches around. We...

READ MORE

Duckweed – Control

Q: We have a lake of approximately 2 acres. My problem is duckweed, Wolffia columbiana that has covered the entire surface of the lake. This has happened for the past two years.Since the warm weather has returned the duckweed has...

READ MORE

Weeds – How to identify – Websites

Q: I have a lot of broadleaf weeds growing in my yard. How do I identify them so I can use an appropriate weed killer? Is there a site on the Web that has a catalog of weeds? I don’t...

READ MORE

Newspaper – Using to Kill Weeds

Q: I am thinking of mulching a large weedy area behind my house. Can I use old newspaper instead of black plastic sheeting under the mulch to prevent weed growth? A: I’d spray with Roundup, wait until all of the...

READ MORE

Chinese Privet – Control

Q: I am clearing three acres that was full of privet. Some of the privet was in tree form. The privet is continuing to pop up because of the root system. Am I going to have to dig up all...

READ MORE

Virginia Buttonweed – Control

Q: At first I thought I had nutgrass but now I’m not so sure. Can you ID what I have? A: I’m not sure which is harder to control…nutgrass or the Virginia buttonweed you actually have. Buttonweed is TOUGH to...

READ MORE

Kudzu – Other Uses

Q: As a chemist and a plant lover, you seem to be the best person to answer this question. What’s the hold up on using kudzu to power cars? Think how many problems this would solve: no pollution, land under...

READ MORE

Chickweed – Control

Q: We had our fescue lawn aerated and overseeded in mid-September and it has come in really well. Unfortunately, a weed started sprouting at the same time as the seedlings, and now is in about one-third of the front yard....

READ MORE

Green Kyllinga – Control

Q: Every year in August and September I start to see this grass (or weed? ) infesting my bermudagrass lawn. It seems to be getting a little worse each year. What is it? How can I get rid of it?...

READ MORE

Henbit, Deadnettle – Identification and Control

Q: I thought this was henbit but the leaves are furry purple/magenta besides being green. Do you know what this sort of invasive plant is? A: It’s purple deadnettle, Lamium purpureum, which has a similar appearance to henbit, Lamium amplexicaule....

READ MORE

Spurweed – Control

Q: Three years ago a weed appeared in our yard. Around Easter it will have little spurs on it that stick in your feet. My grandchildren and I like to go barefooted but this year my yard is full of...

READ MORE

Poke Weed – Characteristics

Q: I need help in identifing a plant that grows in numerious locations around the property. Description: It is a purple stemmed plant, and has bright green leaves when the plant is young. The leaves darken a little as it...

READ MORE

Scotch Broom – Invasiveness

Q: In reading a 1996 “Horticulture” magazine I came across an article listing Scotch broom, Cytisus scoparius, as an invasive/noxious plant. I know it is a problem in California and the Northwest, but I want to make sure it would...

READ MORE

Carpetweed- Identification

Q: I have a problem with a weed that I can’t seem to get rid of. My friends call it carpetweed. Do you know this weed and if so what is the best way to get rid of it? A:...

READ MORE

Sicklepod (Coffeebean, Coffeeweed) – Identification

Q: This interesting plant came up in my flower bed. I let it grow to see what it would be and it continues to grow! The leaves have a soft touch and around sunset the leaves begin to close and...

READ MORE