Wade from Mn writes
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