Down To Earth Garden Gypsum Organic Garden Mineral Fertilizer (5 LBS.)
Best organic soil amendment for gardeners seeking improved nutrient uptake.
Enhance your garden's vitality with Down To Earth Garden Gypsum. This organic mineral fertilizer is designed to improve soil health by supplying essential calcium and magnesium. Its prilled form ensures easy application and rapid soil pH adjustment, promoting better nutrient uptake and plant growth. Approved for organic production, it's a reliable choice for lawns, vegetable gardens, flowers, trees, and shrubs. Use it in spring and fall to prepare your soil for optimal plant performance throughout the growing season.
$12.59
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Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-80%
Below average
Derived from
Dolomite Limestone
/ Dolomite Limestone
Who it's for
- Growers maintaining specific pH levels for acid-loving plants
- Gardeners struggling with dense, compacted clay soil
- Plant owners seeking essential calcium and sulfur supplementation
Who should skip it
- Gardeners needing to raise the pH of acidic soil
- Users looking for an all-in-one primary fertilizer solution
- Farmers in high-rainfall regions or with sandy soil
Performance breakdown
Soil Amendment Efficacy
High calcium and magnesium content rapidly corrects soil nutrient deficiencies.
Application Convenience
Prilled granular form ensures mess-free spreading by hand or machine.
Organic Integrity
OMRI listing guarantees compliance with strict organic gardening standards.
Versatility
Effective across diverse plant types from vegetable patches to ornamental shrubs.
Nutrient Availability
Fast-acting mineral composition promotes immediate uptake for improved plant energy.
pH Balancing Power
High carbonate equivalent provides reliable, consistent soil acidity adjustment.
Key Specs
Derived from
Dolomite Limestone
Calcium (Ca)
23.5%
Magnesium (Mg)
9.5%
Calcium Carbonate (CaCO3)
49.8%
Calcium Carbonate Equivalent (CCE)
98.2%
Magnesium Carbonate (MgCO3)
32.9%
Fertilizer Source
Organic, Natural, Mineral Based
Container Weight
5 lbs
Features
- Supplies essential calcium and magnesium.
- Raises soil pH for better growth.
- Prilled form for easy application.
- Fast-acting and effective.
- OMRI Listed for organic gardening.
- Improves fertilizer efficiency.
- Supports plant energy conversion.
- Ideal for various plant types.
What customers say
Customers consistently praise this Down To Earth gypsum for its noticeable impact on soil quality, particularly its effectiveness in loosening dense clay and improving water penetration. Reviewers frequently highlight the product's fine texture, making it exceptionally easy to spread and incorporate into garden beds without clumping. The organic certification and reliable results solidify its reputation as a high quality, straightforward soil amendment that delivers tangible benefits for plant health and garden structure.
Know before you buy
Yes, this garden gypsum is designed to help raise soil pH. It is an effective tool if your soil test indicates that your garden is too acidic and needs calcium and magnesium to balance nutrient uptake.
Absolutely. This product is OMRI Listed and registered as an organic input material, meaning it meets the standards required for certified organic gardening.
You can apply the granules by hand or with a standard garden spreader. For the best results, be sure to water the area thoroughly after application to help the minerals integrate into the soil.
Yes, it is suitable for a wide range of applications, including lawns, vegetable gardens, flowers, trees, and shrubs. It provides essential calcium and magnesium that support overall plant health across your entire landscape.
The ideal times for application are in the spring and fall. These seasons allow you to properly prepare your soil for the upcoming growing cycle or help it recover after the season ends.
These secondary nutrients are vital for plant energy conversion and overall vitality. By supplying them, you improve the efficiency of other fertilizers you may be using and help your plants absorb nutrients more effectively.
Still have a question?
Ask Hayley anything about this product before you decide.