Aluminum Sulfate Fertilizer
Aluminum Sulfate Fertilizer
Helps lower the pH for acid-loving plants and turns hydrangea blooms blue. For use on azaleas, rhododendrons, camellias, gardenias, holly, blueberries, yew, dogwood, viburnum, laurel, cedar, hemlock, and black alder.
Application rate:
- Shrubs: 1 Lb. per 3 feet of height
- Trees: 1 Lb. per inch of diameter
- To acidify soil: 5 Lbs. per 100 square feet
Aluminum: 9%
Sulphur combined: 14.4%