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Lindav from Charleston, Sc writes

Is is safe to use Halosulfuron Pro Herbicide on St. Augustine to kill buckweed in the summer?


Halosulfuron Pro Herbicide should be applied to established listed turf when temperatures are below 80 degrees for targeting actively growing listed weeds: Purple Nutsedge, Yellow Nutsedge, Kyllinga. It is not labeled for buckweed. 

Answer last updated on: 04/23/2021

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