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Jeff from Waxhaw, Nc writes

How long after seeding can I use Hi-Yield Crabgrass Weed Control to ensure it does not hurt a newly seeded tall fescue lawn?

Answer:

Hi-Yield Crabgrass Control should be applied 1 to 2 weeks before germination of annual grass weeds for best control; this varies by region.  Your local cooperative extension office would be able to advise you on the best time.  Since this product is a pre-emergent, you have to wait at least 3 to 4 months before re-seeding your lawn after application.    

Answer last updated on: 10/10/2017

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