Item Number: F1120

Greensand (50 Lb)

A Slow-Release Source of Trace Minerals

Listed for Use in Organic Agriculture by the Organic Materials Review Institute Approved for Organic Agriculture by the California Department of Food and Agriculture

Regular price
In Stock
Sale price
Ships from Northern CA.
Quantity Discounts for Greensand (50 Lb)
Buy 10 for $58.49 each
Buy 50 for $51.99 each
Shipping calculated at checkout.
Quantity must be 1 or more


For Slow-release Potassium & Trace Minerals. Ingredient is glauconite.

  • Improves moisture holding capacity of garden soils and potting mixes.
  • Apply at 10 lb/1000 sq ft, depending on soil analysis.
  • Improves soil structure and helps loosen hard soil
  • Retains nutrients for plants to access

Application Rates:

Vegetable Gardens and Flower Beds: for new gardens, apply 5-10 lbs per 100 sq ft and thoroughly mix into the top 3" of garden soil in Spring or Fall. For new transplants, add 1-2 tsp per hole, mix into soil and water in well.

Containers: For new plantings, add 1-2 tbsp per gallon of soil and mix thoroughly or add 2.5-5 lbs per cubic yard. For established plants, lightly mix 1-2 tbsp per gallon into the soil surface every other month during the growing season.

Trees, Shrubs & Vines: 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 grapes, apply 1/2-1 lb to the soil around each plant and thoroughly mix into the soil. 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.

Row Crops/Acreage: Apply 500-2,000 lbs per acre initially, followed by annual maintenance applications of 250-500 lbs per acre or according to the specific crop needs and soil quality.



    Organic Status :
    Approved for Use in Certified Organic Agriculture
    Animal-Based : No
    Biological & Humus : Boosts Microbial Activity
    Fertilizer Type : Powdered/Granulated/Meal
    Major Nutrients : Trace Minerals
    Nutrient Release Rate : Long-term (4+ Months)
    Use as Foliar : No
    Organic Certifier: OMRI, CDFA

    Useful Information


    Does not qualify for Flat Rate Shipping.

    Cannot be combined with other items in a package, due either to its size or manufacturer packaging.

    Shipping Weight: 55.0 lb

    Dimensions: 30"L x 17"W x 4.5"H


    Customer Reviews