Mulch areas - Knowledgebase Question

Upper Marlboro, Ma
Question by bvesquire
May 4, 2009
I want to put mulch in certain areas of my yard that has grass on it. Do I have to kill the grass? If So, how do I kill the grass? or can I just put the mulch over top of the grass?

Answer from NGA
May 4, 2009


If the mulch is thick enough, it will keep sunlight from penetrating and may kill the grass beneath - however if it is not thick enough the grass will grow right through it. You may opt to remove the grass or to kill it with a vegetation killer such as Round Up prior to mulching the area. Round Up will kill any plant it touches so keep it away from plants you want to keep.

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