Product Q&A

Answer:

Both Prime Source and Chateau SW Herbicide are a water dispersible granule containing 51.0% flumioxazin. Though Prime Source Flumioxazin 51 WDG Select Herbicide, it is not labeled for grapes or to be used on woody perennial vines per the label. To view our edible-compatible products we offer, you may click  here. 

Answer last updated on: 03/29/2023

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