ALUMINUM SULFATE (4#)
$9.99
Helps create an acid soil condition for plants. Intensifies Blue color in Hydrangeas.
Use on Azaleas, Gardenias, Camellias, Rhododendrons, Blueberries and others listed on label.
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.