GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on March 26, 2020
Yes, you can leave it on as a mulch. If the grass was treated with pesticides, it's been long enough time that those have disintegrated.
https://www.gardeningknowhow.com/garden-how-to/mulch/mulching-with-grass-clippings.htm
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