Espoma Organic Soil Acidifier, 6 lb. Bag
Espoma Organic Soil Acidifier is an all-natural mineral that can be used to lower the pH of your soil. It can also provide plants with sulfur, a nutrient that promotes growth and dark greening. It will turn hydrangeas from pink to blue.
- Turns hydrangeas blue.
- Lowers the pH of soils for optimum growth of acid-loving plants.
- Derived from elemental sulfur and gypsum.
- Great for blueberries.