Crab grass - Knowledgebase Question

Riverside, Ca
Question by dempseyconst
March 10, 2009
How can I kill crab grass in my flower beds. I've tried everything. Even dug it out.


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Answer from NGA
March 10, 2009

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Crabgrass is really difficult to control in flower beds (as you've discovered). The first plan of attack is to pull the weeds, including the roots; the second is to lay a thick mulch over the bed to prevent sunlight from penetrating (weed barrier or several thicknesses of newspapers plus decorative bark or rock); the third option is to use a herbicide and spot treat the pesky weeds. You can use something like Round-Up near your existing plants if you're careful not to allow over-spray to drift onto them. Best wishes with your project!

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