Zerotol ready to spray provides immediate disease control. It can be used as a preventative or curative application on ornamental plants such as rhododendrons, azaleas, roses, and annual and perennial flower beds, making it the complete home and lawn solution. Effective against anthracnose, black spot, powdery mildew, rusts, botrytis/grey mold, leaf spot and other common ornamental diseases. Powerful alternative to copper-based products. Meets national organic program standards. Long-lasting 12,000-square feet of coverage. Leaves no chemical residues behind. Begins working immediately. Disease control for flowers, shrubs, and flowering trees. Available in 32-ounce.