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Wanda from Randolph, Al writes

Is Hi Yield Grass Killer safe to use around sunflowers?

Answer:

Yes, Hi Yield Grass Killer Herbicide is safe for use around sunflowers. It will only kill grassy weeds. The mixing ratio is 1 fl. oz. per gallon of water and a surfactant should be used as well. 

Answer last updated on: 07/01/2016

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