Aluminum Sulfate
Naturally turns your hydrangeas bluer than blue!
- For acid-loving plants.
- Works in all soil types.
Lowers soil pH for acid loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron and dogwood. Turns hydrangeas blue. Includes easy to follow chart. Works in all soil types.
Bonide
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