- Turns hydrangeas from pink to blue
- Lowers soil pH
- Promotes dark green growth
- Sulfur also helps produce proteins, while gypsum helps develop enzymes and vitamins
An all natural way to decrease soil pH for plants that prefer acidic soil.
Soil acidifier helps improve plant hardiness and resistance to some diseases. It improves color and general appearance. Use soil acidifier to turn pink hydrangeas blue. For use on blueberries, azaleas, hydrangeas, trees and turf. 6 lb bag.













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