Espoma Soil Acidifier
Best soil amendment for gardeners growing acid-loving plants and blue hydrangeas.
This is the most reliable way to shift your soil chemistry for finicky acid-lovers like blueberries and hydrangeas. While it requires a bit of patience for the sulfur to work its magic, the organic, slow-release formula provides a much safer, more consistent path to vibrant blooms than harsh synthetic alternatives.
$14.95
at
Jacksonandperkins
Who it's for
- Cautious gardeners seeking a gentle, low-risk pH adjustment
- Eco-conscious gardeners prioritizing sustainable and natural soil amendments
- Homeowners struggling with chlorosis in acid-loving plants
Who should skip it
- Gardeners in cooler climates with shorter growing seasons
- Impatient gardeners needing immediate soil pH correction
- Beginners uncomfortable with precise soil testing and measurement
Performance breakdown
pH Adjustment Efficacy
Elemental sulfur provides a reliable, proven method for lowering soil acidity.
Application Ease
Granular consistency allows for uniform distribution across garden beds and containers.
Organic Integrity
Certified organic ingredients ensure safe use around food crops and pets.
Bloom Enhancement
Consistently shifts hydrangea pigments toward deep, vibrant blues as promised.
Release Longevity
Slow-release formula minimizes the need for frequent, labor-intensive soil re-applications.
Versatility
Effective across a broad spectrum of acid-loving shrubs, trees, and vegetables.
Key Specs
Weight
6lb
Primary Active Ingredient
Elemental Sulfur
Secondary Ingredient
Gypsum
Intended Use
Soil pH adjustment
Fertilizer Source
Organic, Natural
Organic Certified
True
Container Weight
6.0 pounds
Target Plant Type
Acid-Loving Plants, Trees and Shrubs, Flowers, Lawn, Vegetables
Fertilizer Form
Granular
Release Type
Slow Release
Know before you buy
Still have a question?
Ask Metto anything about the Espoma Soil Acidifier before you decide.