Espoma Organic Soil Acidifier – Lowers Soil pH, Turns Hydrangeas Blue (6 lb Bags, Pack of 2)

Espoma Organic Soil Acidifier is a natural amendment designed for acid-loving garden plants. By introducing elemental sulfur and gypsum, it helps gently lower soil pH where it’s needed, supporting vibrant blooms and steady growth in a wide range of shrubs and perennials. This product is rooted in a long history of natural organics and is crafted to fit organic gardening goals.

Key benefits for your garden

• Lower soil pH for acid-loving plants, enabling healthier growth and color potential
• Contains elemental sulfur and gypsum to adjust soil chemistry with a natural approach
• Approved for organic gardening; registered Organic Input Material for compliant production
• Made in the USA by Espoma, a longtime leader in natural organics since 1929
• Pack includes two 6 lb bags, totaling 12 lb for multiple applications

Ideal uses

• Azaleas, hydrangeas, rhododendrons, blueberries, camellias, strawberries, and other plants that thrive in acidic soils
• Evergreens and flowering shrubs that respond to pH adjustments with improved bloom quality

Turn Mophead and Lacecap hydrangeas blue by applying the soil acidifier and adjusting soil pH to the level you prefer. You may notice more intense blue tones in blooms as the soil chemistry shifts. This is one possible outcome based on plant types and growing conditions, not a guaranteed result.

In addition to color possibilities, the product supports organic gardening practices by providing a natural means to manage soil chemistry. For best results, follow the product label and monitor soil pH changes over time to tailor applications to your garden’s needs.