Item # 7OAHAYUPC: 037321007050


Intensify the blue blossoms of your hydrangeas with Bonide Organic Aluminum Sulfate. For best results, apply aluminum sulfate to your soil in early spring, reapplying approximately every two weeks until the desired pH is reached. Adding this product to the area around acid loving plants such as azaleas, camellia, gardenia, hemlock, hydrangea, and holly and watering thoroughly offers fantastic and lovely flowers. Lower your soil pH and care for specific flowers using Organic Aluminum Sulfate.

  • Lowers soil pH for acid loving plants such as azaleas, camellias, gardenias, hemlock, holly cedar, blueberry, rhododendron & dogwood
  • Turns hydrangeas blue
  • Includes easy-to-follow application amount chart
  • Works in all soil types