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Roseanne from Staten Island, Ny writes

Can you use Prime Source Quinclorac 1.5L Herbicide in the summer with temperatures above 80 degrees?

Answer:

Prime Source Quinclorac 1.5L Herbicide should be used in temperatures below 85 and not during the heat of the day.  For higher temperature times it would be best to apply in the morning before the day gets hot and the area has time to dry.

Answer last updated on: 07/15/2016

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