Prices start at : 8.49 USD / each
Turns hydrangeas blue. Includes easy-to-follow chart. Very popular, a convenient way to make those hydrangeas blue! Lowers soil pH for acid loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron and dogwood.
- Ingredients: 17% aluminum, 15% sulfur: Specs
- Primary use is to lower pH, but it can also be used to turn hydrangeas blue: Product Features
- For lowering pH: If your soil is 7.5, for every 100 sq ft, apply 4 lbs for sandy soil, 4 & 1/2 lbs for loamy soil, and 5 lbs for clay soil. If your pH is 7, for every 100 sq ft, apply 3 lbs for sandy soil, 3 & 1/2 lbs for loamy soil, and 4 lbs for clay soil. If your pH is 6.5, for every 100 sq ft, apply 1 & 1/2 lbs for sandy, 2 lbs for loamy, and 2 & 1/2 lbs for clay: Application Rates
