Bonide® Captain Jack's Liquid Copper Fungicide controls powdery mildew, downy mildew, black spot, peach leaf curl, rust, Fruit Rot, Late Blight and more by using low concentrations of copper.
Approved for organic gardening in dormant and growing season. Perfect for use on vegetables, roses, fruits, nuts, herbs, ornamentals, and turf. Easy to apply and can be used up to the day of harvest.
CONTAINS COPPER - The active ingredient of Liquid Copper is Copper Octanoate, or Copper Soap. Copper makes a great option for use on all of your plants.
For more information: Safety Data Sheet.