Product Q&A

Answer:

Yes, Sulfentrazone 4SC Select Herbicide can be applied to St. Augustine however per the product label,  "St. Augustine grass that has been stress-weakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select. The application rate is 8 - 12 oz. per acre with a minimum of 10 gallons of water. Sulfentrazone 4SC Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons. This will mix in approximately 1-2 gallons of water for spot treating. Chemicals, certain cultural practices, disease, mechanical exposure and cultivation and weather can all be causes of stress-weakened turf." 
  

Answer last updated on: 10/10/2022

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