Description Approved for organic gardening. Finest, most effective way to acidify (lower the pH) soil to its optimum range. Turns hydrangeas from pink to blue. Provides fast acting and long lasting source of sulfur. 30% Sulfur. Safer than aluminum sulfate with twice the coverage. Does not have the potential for aluminum toxicity to plant. One pound equals approximately 2 cupfuls. For hydrangeas and blueberries – Apply in the spring to lower pH. For new plants, use 1-1/4 cups. For established plants, use 2-1/2 cups. Spread evenly around the plant out to the drip line and water well. Repeat in 60 day intervals until desired pH or bloom color is achieved. For Broadcast – Apply 12 lbs per 100 sq. feet for each one point reduction in soil pH desired. For heavy clay soils, increase rate to 15 lbs. Gradual reduction in soil pH is preferred as dramatic reduction can result in stress. For container applications – Add one teaspoon for each 4 inch of pot diameter.Refer to the product label for complete instructions.
