Hi-Yield Aluminum Sulfate helps create an acid soil condition for plants. It corrects undesirable alkaline soil and intensifies blue color in Hydrangeas.
Use on Azaleas, Gardenias, Camellias, Rhododendrons, Blueberries and other plants listed on label.
Active Ingredient: Aluminum Sulfate 17.09%
Application Rates:
- Shrubs: 1 lb. per 3 ft. of height.
- Trees: 1 lb. per inch of diameter.
- To correct alkaline soil: 5 lbs. per 100 sq. ft.