The Quick Answer: Roundup® products are so effective, all our products are rainproof in under 30 minutes.
If you're spraying weeds and it starts to cloud up, you'll be real glad you've got Roundup. It's rain proof in thirty minutes time. After that the storm can howl and whine. And the clouds can unleash all their cryin' - Them weeds you sprayed, they'll still be dying. TEXT: Dramatization. TEXT: Always follow label directions.