Copper Fungicide is used for controlling anthracnose, early and late blight, downy mildew, leaf spot, powdery mildew, scab and more. For use on potatoes, tomatoes, fruits, flowering shrubs, shade trees and vegetables. Apply as a dust, or mix with water for a spray to cover larger areas. Won't burn plants and can be applied up to one day before harvest. Commonly referred to as bordeaux mix. Application rates vary by crop and are listed on label. Copper Sulfate 7.0%. Not OMRI Listed at this time. Certified organic growers should consult their certifier before using copper products. Not for sale in AK, CA and DC.