Price $16.15/EA

Lowers soil pH for acid-loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron, dogwood, & turns hydrangeas blue. Includes easy to follow chart. Works in all soil types.

  • LOWERS SOIL PH - 5.0 is a suitable pH for many garden plants that thrive in acidic environments. Aluminum Sulfate helps lower soil pH to this target. We recommend using a soil tester for an accurate soil reading before application.
  • ACID LOVING PLANTS - Aluminum Sulfate is designed to lower soil pH for acid-loving plants such as Azaleas, Camellia, Gardenia, Hemlock, Holly, & more. It helps to turn Hydrangeas blue also.
  • ALL SOILS COVERED - Our Aluminum Sulfate works in all types of soil including sandy soil, loamy soil, & clay soil.
  • EASY TO APPLY - Blend this product into the soil, if possible, & water thoroughly after application. After at least two weeks, recheck soil pH. Reapply until the desired pH is reached.
  • APPLICATION CHART PROVIDED - The provided chart approximates the amount of Garden Rich Aluminum Sulfate needed to lower soil pH to 5.0 a suitable pH for many plants.