Patented dual actives; Sulfur and natural pyrethrins. Controls wide range of fungal diseases including: Black spot, powdery mildew, rust, scab, blight, brown rot, and leaf spot. Superior to Neem and other natural products. Treats more pests and diseases than other 3n1 products. May be used up to day before harvest. 24 oz. ready-to-use spray bottle. USDA (United States Department of Agriculture) Certified Organic.