OMRI Listed® (Organic) product that works on roses, fruits, and vegetables for control of diseases like needle blight, blackspot, anthracnose, leaf and fruit spot, cedar apple rust, powdery mildew, early and late blight on tomatoes, and peach leaf curl.

Keep in mind that a fall application of copper fungicide can be beneficial, particularly during the dormant period of fruit trees, as it helps control overwintering diseases and pests. Copper Fungicide is effective against diseases like downy mildew, late blight, and citrus scab. Copper ions kill by denaturing proteins and enzymes in cells of pathogens they contact that have not yet infected the plant. Copper Fungicide is the only organic option currently approved to be effective against downy mildew and late blight but is a heavy metal so should be used carefully.