Posts Tagged ‘Roundup’

How To Keep Roundup From Tree Roots

Q: I have a lot of old pines and dogwoods on my property. English ivy, trumpet vine and poison ivy are trying to take over everywhere. I would like to spray Roundup and kill everything but I’m concerned about getting...

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Lesser celandine (Fig Buttercup) – Control

Q: Can someone identify this? It’s everywhere this year. A: It is lesser celandine (fig buttercup), Ficaria verna. Although the yellow flowers are attractive, it grows so quickly that it chokes out other plans. Ferns, trillium, and other spring ephemerals...

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Will A Vinegar And Salt Solution Kill Underbrush?

Q: Can you spread a vinegar and salt solution under big pine and oak trees to kill the underbrush below them?  A: Neither vinegar nor salt will kill the underbrush. Concentrated acetic acid, which smells like vinegar, might burn the...

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English Ivy – Management and Control

Q: English ivy is taking over my back yard. It has probably been there for twenty-plus years. What’s the best way to control it? PULL IT UP Check out this great Web site about English ivy removal. The Ivy Removal...

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Winter Weeds – Wiping on Herbicide

It is tempting to spray glyphosate (click for sources) or an organic non-selective weed killer (click for sources) on green winter weeds when your lawn grass is brown and dormant. However, bermudagrass is the only turfgrass on which I’d recommend this practice...

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Glyphosate (Roundup) – Claimed Not to Work

Glyphosate (Roundup, etc) is a common herbicide. By most accounts it is effective at killing plants as stated on the label. However, some gardeners swear that “Roundup won’t touch my ivy (liriope, wisteria, etc)!! Why doesn’t it work?” I think...

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Roundup – Health Concerns

Good gardeners try to minimize the use of pesticides. But one weed killer seems constantly to be in the news. Glyphosate is claimed to cause many health and environmental problems. I am not a toxicologist or an environmental expert. But...

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Dallisgrass – control

Q: I have almost two acres of a mixture of centipedegrass and bermudagrass. Unfortunately, dallisgrass is taking over. Is there anything in this whole wide world that I can use to kill this pest? A: Dallisgrass is indeed hard to...

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Pesticide – Degradation in Water

Q: Several weeks ago you wrote about the half-life of insecticides after application. I assume that the same breakdown occurs in herbicides. Does the degeneration occur after mixing, or only after application? I have been mixing Roundup(tm) in five gallon...

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Bermudagrass – Killing with Solarization

Q: I am trying to kill bermudagrass that is spreading thru the centipedegrass in my lawn. I have been told that putting black plastic over the area for two weeks will kill what bermudagrass remains after spraying with herbicide. A:...

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Asiatic Jasmine

Q: A few years ago a landscape architect used Asiatic jasmine as a ground cover around our pool. Now it has literally taken over everything. Weed killer doesn’t seem to affect it. Any tips on controlling it? A: Asiatic jasmine...

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Zoysiagrass – Control

Q: I have a problem with zoysiagrass creeping into my asphalt driveway and ruining it. How do I get rid of the zoysiagrass? A: One option is to spray the zoysiagrass along the driveway with glyphosate (Roundup, etc) each month....

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Zoysiagrass – Removing bermudagrass

Q: Removing one turfgrass from another is a tough assignment. Digging is one option but it is hard work. If you use a chemical, how will a herbicide tell one from the other? Here is one way: Q: I seeded...

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Open Meadow- Creating

Q: I have several acres of fallow farm land that I am trying to keep as an open meadow. It is a constant battle to keep the sweetgum trees out. We have mowed them down twice a year for several...

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Soil- Solarization

Q: I want to sterilize a 100′ x 50′ soil area to plant wildflowers. The spot is now covered with coastal bermudagrass. I’d like to use a plastic covering on the ground to kill unwanted plants.Will this sterilize the soil?...

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Asparagus – Harvesting and Weeding

Q: My husband has a very large asparagus patch. The weeds get in there and are difficult to eradicate. Is there a weed killer that would not hurt the asparagus? A: According to the Ohio Extension Service, harvesting and weed...

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Honeysuckle – Control

Q: I have some Japanese honeysuckle growing among a large stand of forsythia. The honeysuckle covers some of the branches so heavily that the forsythia bloom display in spring is less than it should be. When the forsythias drop all...

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Weed and Feed Products – Not Recommended

Q: In your series of newspaper articles about weed control, I didn’t see anything about weed and feed products. Why not? A: Despite the assurance on their labels that weed and feed products are an improvement in lawn maintenance, I...

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