Kill crabrass and weeds - Knowledgebase Question

Lake Forest, CA
Question by dglaporte
August 19, 2007
Yesterday I sprayed the lawn with Ortho Weed-Be-Gone to rid myself of clumps of crab grass and oxalis. Can I plant grass seed after I have killed the crabgrass? Should I soak lawn and pull out the dead crabgrass before seeding. What is the recommended seed to plant.

Thanks for any help.

Answer from NGA
August 19, 2007


It would be best to rake out the crabgrass and roots and then reseed so the seeds make good contact with the soil. This way the roots will establish quickly. Fescues and Kentucky Bluegrass are recommended varieties for your area. You didn't identify the grass type that is already established so for continuity's sake you might consider overseeding your entire lawn, not just the bare spots. This will provide a more uniform appearance.

Good luck with your lawn!

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