Espoma® Soil Acidifier

Turns hydrangeas blue, lowers the pH of soils and allows acid loving plants to achieve optimum growth. 

Great for blueberries

Long lasting, highly effective safe and non-toxic. Comprised of 100% natural and organic ingredients.

Derived from Elemental Sulfur & Gypsum.  Safer than Aluminum Sulfate.

Six pound resealable bag.