GreenCure is a potassium bicarbonate-based, broad spectrum foliar fungicide that cures and prevents powdery mildew, black spot, downy mildew, botrytis blight, gray mold, anthracnose, rust and other mold, mildew and garden fungi related plant diseases. GreenCure is EPA registered for use on over 85 different annual and perennial flowers, woody and ornamental shade trees, roses, herbaceous ornamentals, many herbs, vegetables and fruit and nut trees. Registered For Organic Production. 8 oz makes approximately 16 gallons of formula. Includes an accurate measuring scoop and complete instructions.