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Chevo from Burke, Va writes

How long after re-seeding my tall fescue lawn in Fairfax, VA may I apply Q4 Plus?

I applied Drive xlr8 herbicide to my one acre tall fescue lawn in Fairfax, VA. 10 weeks ago, but it did NOT kill all my crabgrass. On 9/15/16, I core aerated, re-seeded, and applied McGill Compost to my lawn. The new grass is growing well, but I still have few weeds (crabgrass). Since it has been nearly 30 days since I re-seeded my tall fescue lawn, can I apply Q4 Plus Turf Herbicide to kill the remaining weeds? Our current temps are 50s at night to 60s to 70s during the day. BTW, I've already purchased and received the Q4 from your store. Thanks!


Per the product label for Q4 Plus Turf Herbicide you should delay application to grass seedlings until after the second or thrid mowing, or 28 days after emergence.

Answer last updated on: 10/11/2016

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