Espoma Organic Soil Acidifier
Best soil amendment for gardeners growing acid-loving plants and blue hydrangeas.
This is the gold standard for coaxing vibrant blue blooms from hydrangeas and keeping acid-loving plants like blueberries thriving. Its controlled-release sulfur formula trades the instant, risky spike of chemical alternatives for a steady, gentle pH adjustment that won't burn your soil.
$14.95
Who it's for
- Organic gardeners committed to natural, chemical-free soil amendments
- Home growers cultivating blueberries, hydrangeas, and other acid-loving plants
- Patient gardeners seeking stable, long-term soil pH management
Who should skip it
- Impulsive gardeners needing immediate, fast-acting soil pH adjustments
- Beginners uncomfortable with precise measurement and application techniques
- Budget-conscious growers looking to avoid extra soil testing expenses
Performance breakdown
pH Adjustment Efficacy
Thirty percent sulfur concentration delivers reliable and consistent soil acidification results.
Plant Safety
Controlled-release formula minimizes risk of root burn during the application process.
Ease of Application
Granular texture allows for straightforward distribution across garden beds and containers.
Organic Integrity
Natural composition provides a safe, non-toxic solution for organic gardening enthusiasts.
Bloom Enhancement
Specifically formulated to trigger the deep blue pigments in hydrangea varieties.
Longevity
Slow-release sulfur provides sustained soil conditioning over the sixty-day cycle.
Key Specs
Active Ingredient Concentration
30 percent sulfur
Weight
6 pounds
Coverage
50 square feet per 6 pounds for one point pH reduction
Release Type
Slow Release
Season of Use
Spring
Primary Benefit
Acidifying
Application Method
Broadcast
Water Soluble
No
Pet Child Safe
No
Fertilizer Form
Granular
Know before you buy
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Ask Metto anything about the Espoma Organic Soil Acidifier before you decide.
