Lime-Sulfur is considered one of the safest fungicides for the control of peach leaf curl, brown rot, leaf spot, powdery mildew, black spot, blight, etc. It's also useful for the control of many pests, such as mites, scale, twig borers, aphids, and a variety of others. May burn foliage, so avoid applying during hot periods (85 F +). Recommended rate is 2-20 oz per gal of water. Active ingredient: 29.0% Calcium Polysulfide. For CA commercial growers a Pest. ID# is required. Call for most current pricing.