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Sergio from Tucson, Arizona writes

Is Q4 Plus Turf Herbicide selective for St. Augustine grass?

I have a Sod farm , i want to kill weeds in my St. Augustine plantation, how will Q4 effect the St. Augustine variety?


Q4 Plust Turf Herbicide is not labeled safe for St. Augustine grass, the active ingredients in this product will burn the grass if it's applied to it. 

Answer last updated on: 02/20/2017

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