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Suzanne from Baton Rouge, La writes

After the Hi-Yield Atrazine Weed Killer is applied, what action is required after that?

Little knowledge of lawn care here! Do I just wait for the weeds to die? When can I apply an ez seed? Trying to get my centipede grass free of crabgrass (there’s lots of it!) and want to make sure I’m doing the right thing!


There is no action required after an application of Hi-Yield Atrazine Weed Killer. You should allow 10-14 days for plants to show signs of dying. According to the product label: Rain or water within 2 or 3 days of application may decrease the effectiveness on emerged weeds. However, for the control of weeds from seeds, rainfall or watering is necessary within 7 to 10 days after treatme

Answer last updated on: 04/04/2020

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