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Should you Spray round-up in the rain?

Updated: 4/28/2022
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14y ago

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The basic Round up bottle commonly used by most householders needs 2 hours rain free after application, for the best results. Round Up works best when the plant or weed is producing sugar, as the Glyphospate the killing chemical in the Round Up, needs the sugar in the plant to distribute the Round Up!

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Q: Should you Spray round-up in the rain?
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