Bonide Copper Fungicide

Captain Jack’s Copper Fungicide is effective against common fungal diseases including downy mildew, black rot, leaf spot, powdery mildew, blight, peach leaf curl and more. This product arrives in a ready-to-mix concentrate or a ready-to-use sprayer. 

For best results, mix according to label and apply using a plant sprayer. Apply thoroughly to the tops and undersides of leaves and all plant surfaces on affected plants. Repeat every 7-10 days as needed. Please see product label for full use instructions.

Concentrate cannot ship to DC.