Greenstone Metabasalt is a mineral-rich material organic product derived from metamorphosed volcanic basalt. This type of basalt has been altered by intense heat and pressure from volcanic forces over millions of years. As a result of these forces, Metabasalt has a strong mineral content, which gives it its natural green color (and its name). Greenstone Metabasalt will provide a slow release of the vital plant nutrients calcium, magnesium and iron.
- Can be combined with other natural fertilizers, composts, and soil amendments.
- Use on vegetable gardens, containers, trees, shrubs, and vines.
- Ideal for fortifying soil and can be easily applied.
- Improves soil structure, root growth, and moisture retention.
- Can be used in organic or traditional growing.
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Application Rates:
1 lb. ≈ 1 1/3 cups
12 oz. ≈ 1 cup
1 oz. ≈ 1 Tbsp.
Vegetable Gardens & Flower Beds:
- To prepare new gardens, apply 5-10 lbs. per 100 square feet and thoroughly mix into the top 3" of garden soil in spring or fall.
- For new transplants, add 1 Tbsp. per hole, mix into soil and water in well.
Containers:
- For new plantings, add 2 Tbsp. per gallon of OR ¾ per cubic foot of soil and mix thoroughly. Plant into the amended soil or use this soil as needed.
- For large volumes od soil, add 5-10 lbs. per cubic yard.
Trees, Shrubs & Vines:
- For trees, spread 1-2 lbs. per 1" of trunk diameter around the base outwards to the drip line, mix into soil surface and water in well.
- For new trees, prepare transplant hole and mix 1-2 lbs. with the backfill soil. Use the amended soil to fill in around the new tree and water in well.
Storage: Store away from pets.
Cannot Be Shipped To: AL,AR,CT,DE,FL,GA,IL,IN,IA,KS,ME,MD,MA,MI,MN,MS,NE,NV,NH,NJ,ND,OH,OK,PR,RI,SC,SD,VT,VA,WA,WV,WI,WY
Shipping Restrictions: State registrations updated 3/9/26
Warning & Toxicities: Use of a dust mask is recommended.
Active Ingredients/Guaranteed Analysis:
Calcium (Ca)....................................2.0%
Magnesium (Mg)............................4.0%
0.001% Water Soluble Magnesium
Iron (Fe)...........................................4.0%
Derived from Basalt
