I like to use newspapers and grass clipping in my vegetable garden for mulch. I would like to know if I can use grass clippings from a lawn that has been treated with a weed and feed or crabgrass preventer. If I can, how long after being treated can I use them?
I guess I would just do the experiment. Plant some nasturtium seed in the area mulched by that grass and see how it grows. Repeat until you get normal plants.
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