Bonide Copper Fungicide is a dust that controls diseases on a variety of plants in your garden including potatoes, tomatoes, fruits, vegetables, herbs, flowering shrubs, shade trees and more. The active ingredient, Basic Copper Sulfate, acts as a Bordeaux replacement for your modern gardening needs.

• Approved for organic gardening, this product is suitable for the organic production and can even be used up until the day of harvest.
• Works to control many common garden diseases including powdery mildew, downy mildew, black spot, early blight, peach leaf curl and more.
• Use as a dust or mix with water to create a spray solution. 
• Available in 1lb