grass - Knowledgebase Question

Colorado Springs, CO
Question by lbenhur1
April 20, 2007
How can you get rid of grass growing in the flower bed? Is there something that can be sprayed on the grass that will not also kill the flowers growing in the bed?


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Answer from NGA
April 20, 2007

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The best method is to dig it up regularly, as soon as it appears, to keep it at bay. Apply a thick layer of organic mulch on bare soil, which impedes it. If some pop their way through that, apply an herbicide containing glyphosate to control it. However, glyphosate is a systemic that will kill flowers if it drifts to them, so cover the flowers, or better yet, use a wipe-on application method on the grass. Follow the label instructions carefully and allow ample time for the chemical to translocate to the roots of the weeds. Finally, assuming you are talking about some type of vigorous turf grass like Bermuda, it may take repeated applications. Apply only when the grass is actively growing, so the herbicide can spread through its system.

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