Serenade Garden Disease Control RTU 1 quart organic fungicide attacks harmful garden disease on contact. Whether you're dealing with leaf blight, black mold, or even powdery mildew, Serenade Garden Disease Control RTU is the organic gardener's choice for safe, natural, broad spectrum disease control. With no weather or timing restrictions on use, you can use this fungicide the same day as your harvest. Great for use on roses, vegetables, fruits, flowering plants, trees, and shrubs. Enjoy peace of mind knowing that your crops are safe from disease with Serenade Garden Disease Control RTU.