How long after spraying Atrazine can I mow?

Its been about a week since I've mowed, I wanted to cover as many weeds as possible. I'm kinda of hesitant on mowing this weekend because I already see results in some of weeds with shorter stems, that indicates to me it's working, some of the taller clovers should start to whither in another couple days hopefully.

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I was told by cleggs to either mow and wait three days to spray, or spray and wait at least 3 days to mow

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I just mowed and sprayed atrazine. What is the thought process for waiting to spray 3 days after mowing?

Unless you remove your grass clippings, it’ll still work. Like you said, it works from the roots up. Atrazine will not be deactivated as it moves into the soil.
Seven days since your last mow has probably given it enough exposure. Just refer to the label and it’ll probably tell you.