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The best time to put grass seeds down is in the fall. This gives the seeds time to mature before the stresses of summer like heat, traffic, mowing and diseases.he best time to put grass seeds down is in the fall. This gives the seeds time to mature before the stresses of summer like heat, traffic, mowing and diseases.
How long after one places weed and feed on the lawn can you plant grass seed.I placed after weed and feed on my lawn last week. How soon until I can plant grass seed.Also suggestions for How to websites on lawn care Thx.ow long after one places weed and feed on the lawn can you plant grass seed. I placed after weed and feed on my lawn last week.