Spectracide Immunox Multi-Purpose Fungicide Spray Concentrate For Gardens cures and prevents all major diseases on roses, flowers and ornamental shrubs. One treatment protects for up to 2 weeks. This concentrate can’t be washed off by rain once dry. Use it to control brown patch, powdery mildew, black spot, rust, blights, leaf spot, mold, scab and more on ornamentals, lawns, trees, fruits, nuts and vegetables as listed. This concentrated formula is highly effective when used to prevent diseases or when applied at the first sign of disease. Consider treating early in the season. Apply once every two weeks throughout the season until conditions favoring disease development (hot, humid weather) are no longer present. For fruits, nuts, berries and vegetables, treat as directed on the label for your particular type. Mix with water in a garden sprayer (not included) at the rates directed on the label.