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Item Number: F038

Rock Phosphate 0-3-0 (5 lb)

Rock Phosphate 0-3-0 (5 lb)

A Long-Term Supply of Phosphorus

Soft rock phosphate, also known as colloidal phosphate, is a natural untreated source of phosphorus and calcium. It is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils. It should be applied to soils prior to planting and can mixed with compost or manures for additional soil building benefits. The premium powder grade is an excellent nutrient resource for all types of flowering plants including bulbs, fruits, shrubs, trees and vegetables.

  • Derived from Soft Rock Phosphate
  • 3.0% available phosphate and 18% calcium
  • For a long-term supply of phosphate
Listed for Use in Organic Agriculture by the Organic Materials Review InstituteApproved for Organic Agriculture by the California Department of Food and Agriculture
Quantity Discounts for Rock Phosphate 0-3-0 (5 lb)
Buy 3 for $11.39 each
Buy 5 for $10.79 each
$11.99
Discount applied. Offer ends soon.
Next-day shipping available

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Description

Soft rock phosphate, also known as colloidal phosphate, is a natural untreated source of phosphorus and calcium. It is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils. It should be applied to soils prior to planting and can mixed with compost or manures for additional soil building benefits. The premium powder grade is an excellent nutrient resource for all types of flowering plants including bulbs, fruits, shrubs, trees and vegetables.

  • Derived from Soft Rock Phosphate
  • 3.0% available phosphate and 18% calcium
  • For a long-term supply of phosphate

Shipping Information

Ships from Northern CA.

Shipping Weight: 5.1 lb

Dimensions: 11.0"L x 8.25"W x 3.0"H

Features

    Characteristics

    Organic Status: Approved for Use in Certified Organic Agriculture
    Animal-Based : No
    Fertilizer Type : Powdered/Granulated/Meal
    Major Nutrients : Calcium
    Major Nutrients : Over 3% Phosphorus
    Nutrient Release Rate : Long-term (4+ Months)
    Use as Foliar : No
    Organic Certifier: OMRI, CDFA

    Use Instructions

    Guarantee

    View full details

    Customer Reviews

    Based on 4 reviews
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    E
    Elaine
    Rock Phosphate

    I used this and the fish bone meal before planting my garlic and shallots this fall. Excellent product!

    D
    David Moore
    Great product

    I wouldn't attempt to garden without it! So glad I got it before it was out of stock.

    E
    EOR Permaculture
    Well packaged and easy to use

    This product arrived very well packaged with no damage. Thanks grow organic for this product, I am using it on my fruit trees and potted citrus!

    F
    Flower Farmer
    Perfect!

    I am making a soil blocker recipe and this was the perfect addition! Arrived timely and was VERY well packaged! Love Grow Organic!!

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