SaferGro Mildew Cure is a botanical fungicide that offers excellent control and prevention of Powdery Mildew. This foliar spray creates a physical barrier on plant surfaces that prevents fungal spores from entering or attaching to the plant. Made with food grade cottonseed and corn oils, as well as garlic extracts, this organic product will give you effective, long-lasting (through harvest) results without leaving any residue or taste on your crops.