Q.composting
If preemergent is used on a lawn to prevent weeds from germinating, is it ok to use the grass clippings for compost?

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 8, 2018
It will, usually, not hurt is such small concentrations. Just make sure that this is thoroughly composted before you use.
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