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Michael from Phoenix writes

Can I use Hi-Yield Killzall II Weed and Grass Killer RTU when temperature is below 60 degrees?

Answer:

Hi-Yield Killzall II Weed and Grass Killer RTU would be applied when the target weeds are actively growing and healthy.  For best results, apply during warm, sunny weather (above 60°F)

Answer last updated on: 01/09/2020

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