Liquid copper fungicide is a broad-spectrum, preventative spray that controls a wide variety of plant diseases like powdery mildew, black spot, rust, and blight by disrupting the enzymes of fungal and bacterial spores on contact. 
 
Staggs Garden Center recommends this product because it is an effective, organic gardening option that can be used on many different fruits, vegetables, and ornamentals right up until the day of harvest, helping gardeners protect their plants naturally.