Bonide Aluminum Sulfate is a soil acidifier made with 100% aluminum sulfate. It helps manage soil pH levels to support acid-loving plants like azaleas, camellias, rhododendrons, gardenias, holly, blueberry, and dogwoods. Safe for pets when used as directed, it is ideal for outdoor garden use. Simply apply to soil and water thoroughly for best results, making it an easy solution for healthier, thriving plants.
Bonide Aluminum Sulfate is a soil acidifier made with 100% aluminum sulfate. It helps manage soil pH levels to support acid-loving plants like azaleas, camellias, rhododendrons, gardenias, holly, blueberry, and dogwoods. Safe for pets when used as directed, it is ideal for outdoor garden use. Simply apply to soil and water thoroughly for best results, making it an easy solution for healthier, thriving plants.
Product Information
Bonide Aluminum Sulfate
Lowers Soil PH- Aluminum Sulfate will help reduce the pH for acid-loving plants to a desired 5.0. Use a soil tester for accurate soil reading.
Works in Many Soils-Works in sandy, loamy soil or clay soil.
The application chart is on the label to tell you how much you need to apply.
Blend into the soil and water after application. Recheck soil pH in two weeks, and reapply until the desired pH is reached.
4 lb bag
The chart below guides you on how much Aluminum Sulfate to apply; amount in pounds per 100 sq feet. Do not exceed the recommended amount in application. If you lower the pH too much,it may result in nutrient deficiencies or toxicity to the plants.Hydrated lime can raise the pH value.
Gardens: Best if used in early spring. Work around the plant, and water thoroughly.
Trees and Shrubs: Apply 2 cups of Bonide's Aluminum Sulfate per inch of diameter or per 3 ft of height around the drip line of the plant, avoiding contact with the plant itself. Water afterwards.
Active Ingredient(s)
Sulfur (S) 15.0% -Derived from Hydrated Aluminum Sulfate (100%)
Use Sites
For acid loving plants such as Azaleas, Camellia, Gardenia, Hemlock, Hydrangea and more.
