

🌿 Elevate your garden’s vibe with nature’s acidifier — bloom bold, grow organic!
Espoma Organic Soil Acidifier is a 6 lb granular soil treatment designed to lower soil pH for acid-loving plants like hydrangeas and blueberries. Made in the USA and approved for organic gardening, it contains elemental sulfur and gypsum to promote vibrant, healthier growth and can even turn hydrangea blooms electric blue. Trusted since 1929, it’s a must-have for professional gardeners seeking natural, effective soil enhancement.
| ASIN | B07PZW4KQ8 |
| Best Sellers Rank | #10,148 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #156 in Garden Soil |
| Brand | Espoma |
| Brand Name | Espoma |
| Coverage | Acid-loving plants (e.g., hydrangeas, blueberries, evergreens, azaleas, rhododendrons, strawberries, camellias) |
| Customer Reviews | 4.5 out of 5 stars 266 Reviews |
| Included Components | Espoma - GSUL6 |
| Item Form | Granules |
| Item Type Name | Espoma - GSUL6 |
| Item Weight | 0.69 Kilograms |
| Manufacturer | Espoma |
| Mixing Ratio | 6 pounds per 50 square feet per pH point |
| Model Number | Espoma - GSUL6 |
| Specific Uses For Product | Organic |
| Target Species | Hydrangeas and blueberries |
| UPC | 309277141332 |
| Unit Count | 1.0 Count |
L**N
Great product
It help my flower bloom again.
M**C
Great value and works well
Great product. Use this several times a year. Works well. Good value. Smells like most other plant care products so it’s not bad.
S**E
Color change
Have used it for several years helps with hydrangea color usually a second season for complete bluing
R**N
Works Great
I live in an area where my hydrangeas naturally want to be pink. This product works great keeping the hydrangeas blue and violet (depending on the variety).
B**K
Easy way to get BLUE beauties!
Easy to use and DEFINITELY helped produce the bright blue color i was seeking!
A**R
Great product
Love this product. Can’t find it anywhere else but Amazon!
M**.
Makes blueberries happy
Been using this for years in the fall and the spring. After the first year I used my blueberries started producing great. Highly recommend for your acid loving plants to maintain your soil pH
A**.
Great stuff!
Stuffs awesome I highly recommend!