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kill weeds but not the plants

Posted by whodaz NC (My Page) on
Mon, Oct 26, 09 at 22:56

Hello there,
I bought a round-up weed killer at Lowes and I have about 15 R Nelly Hollie tree as a privacy fence with mulch, but weeds are growing around the side of the mulch so I'm using the Round-up to kill them.. I am already really careful when using the sprayer but for some reason two trees are now dead. I'm sure it was the round-up so I would like to know if there is any weed killer that wont kill these plants or something not so destructive.. what do you guys recommend?

Follow-Up Postings:

RE: kill weeds but not the plants

There are no "weed" killers that are so selective that they would kill one broad leafed plant and not another. There are "weed" killers that will not adversly affect grasses but will kill broad leafed plants, but the glyphosate products are very broad spectrum and will kill any plant the product contacts.
Much better for you and your environment is the mechanically remove the weeds, or smother them with mulches.

RE: kill weeds but not the plants

As Kimmsr says, your best bet is to use mechanical control to take care of these weeds. I don't know of any weed killer that won't kill your trees, but then they are not a major tree so no weed killers will be registered for killing all but the trees. The Hollies also don't fall into a broadleaf category that I am familiar with where there are broadleaf herbicides that will kill broadleaf weeds but not the hollies, although there are a number of such herbicides for major agricultural crops.

Are you sure you got some glyphosate on the holly? Simply applying it near the plants won't hurt them unless you get it on growing parts of the plant. It may be they died from something else. If it was the glyphosate and you are spraying, consider using a glove or paintbrush or roller dipped in a concentrated solution that you can paint on the weeds to reduce the risk of drift or accidentally getting your spray on the holly foliage.

RE: kill weeds but not the plants

When you use a sprayer watch where the cloud goes. Even the best application will send up particles from where the spray hits. Most just look where the spray hits the plant they want to kill but do not look where the splash, if using coarse spray, or the cloud of fine particals. if using a fine spray, go.

RE: kill weeds but not the plants

The round-up can travel down the weed, leave the weed roots, travel through the earth, and be absorbed by the tree roots.

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