Espoma Organic Soil Acidifier

This all-natural soil acidifier is a high-purity mineral blend that serves dual purposes: providing essential sulfur nutrients for plants and correcting alkaline soil conditions as a soil amendment. Its formula includes elemental sulfur and gypsum, which work together to lower soil pH effectively. One of its standout features is its ability to turn hydrangeas blue and support the growth of blueberries and other berry plants. By lowering soil pH, it creates an optimal environment for acid-loving plants to thrive and achieve their maximum growth potential. Safe, long-lasting, and suitable for organic gardening. For use on: Blueberries, Hydrangeas and other acid loving plants When to use: Apply in Spring and every 60 days until desired pH is achieved. How much to use: Hydrangeas & Blueberries: New Plantings: 1-1/4 cups per plant. Established Plants: 2-1/2 cups per plant. Potted Plants: One tbsp. for each 4" of pot diameter. Broadcast Rate: Apply 12 lbs. per 100 sq. ft. for each one point reduction in soil pH desired. As a Fertilizer: Apply 1/2 cup per 100 square feet (1 tablespoon per plant) around the root zone. How to apply: Spread evenly around the plant out to the drip line and water well. Repeat in 60 day intervals until desired pH or bloom color is achieved.