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freyja5

How long does herbicide last on lawn/weeds?

freyja5
14 years ago

Our lawn was sprayed with liquid herbicide this past week (I don't know specifically what was used, but they told me to stay off it for 24 hours). However, it will not kill the veronica, which I wish to now pick out by hand.

Sorry if this seems a bit paranoid, but how long should I wait before I go ahead and do this? I fancy I can still smell the herbicide at times as I walk by the grass, but I'm not sure. Maybe it's just my imagination.

I'll definately wear gloves to pick out the veronica, but I wasn't sure if I should wait days, weeks, etc. to minimize any risks. Given the experience, how strongly it smelled, and what I've recently read about such chemicals, I'm a little wary of now poking around in the grass. Needless to say, I think I'll be hand pulling my weeds from now on!

Would 5 days be enough, or should I wait longer? I've watered once since then. Thanks.

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