General Synthetic Aluminum Sulfate Fertilizer, 50 lbs

General Synthetic Aluminum Sulfate Fertilizer, 50 lbs Granular fertilizer specifically designed for hydrangeas and other acidloving plants Effectively acidifies soil, lowering pH and correcting high alkalinity Contains fertilizer grade aluminum sulfate with 9.0% metallic content Not suitable for spray application; intended for soil application only Ideal for use on shrubs such as rhododendrons, blueberries, dogwoods, holly, gardenias, camellias, and azaleas