Organic Bone Meal

R35 - R900


Green Houston's organic bone meal is a great way to add calcium and phosphorus to your soil. The product is essentially what it says it is, a meal or powder made from ground up animal bones. Normally beef bones are used, but they can be the bones of any animal commonly slaughtered. Organic bone meal is a great organic amendment to prepare your super soil. 

The bone meal is steamed to increase its availability for plants. Bone meal will release phosphorus into the soil for up to four months.

Green Houston is one of the only shops that offers you 100% organically certified Bone Meal. 

NPK of 3-15-0


Great Source of Phosphorus

  • Bone meal is approximately 15% phosphorus, and it comes in a form that’s especially easy for plants to utilize.
  • This benefits root growth, cell division, seed growth, and prevents your plants from becoming stunted.

Contains Calcium

  • This promotes new growth in roots and stems to keep your plants healthy for the full growing season.

    Balances Out Other Amendments

    • Most common garden amendments like compost and manure are high in nitrogen but low in other critical nutrients like potassium or phosphorus.
    • Adding bone meal to the soil balances out these inequalities without you overpowering your soil with any one compound.

    Contains low amounts of bio-available nitrogen 

    • This gives your plants a nutritional boost from a well-rounded soil amendment.

    Suitable for Organic Growing

    • Bone meal is an exceptional garden amendment from an organic gardening perspective because it improves the soil structure by increasing the concentration of beneficial soil microbes.
    • These microbes, in turn, make soil nutrients more accessible to plant roots, which in turn leads to faster growth, a better root system, and fewer days to maturity.

    Acts as a Slow Release Fertilizer

    • Bone meal takes a long time to break down, which means it gives your plants consistent access to phosphorus throughout the growing season. This means the product only needs to be applied once during the growing season.

    Boosts Health of Flowering Plants

    • Plants need phosphorus to flower, which is why bone meal is used for ornamentals like roses, bulbs and cannabis flowers. 
    • An infusion around the plant’s base early in the growing season should lead to bigger, more plentiful blooms.

    Keeps Animal Pests Out of Your Garden

    •  Repels animals like deer, squirrels and rabbits 

    How to use

    5ml = 1 teaspoon | 15ml = 1 Tablespoon | 240ml = 1 Cup

    Organic amendment


    Soil Mix

    • Dosage:
      • 12ml Bone Meal per 1L substrate
      • 360ml Bone Meal per 30L substrate
    • Frequency: When mixing/revitalizing a substrate
    • Application: 
      • Get a container or set a tarp on the ground.
      • Add the substrate, Bone Meal and organic soil amendments.
      • Mix well and water lightly.
      • Cover the soil to avoid pests and keep soil from drying out.
      • Recommended to let the soil sit for approx. 2 months before use.

    Top Dressing

    • Dosage:
      • 3ml Bone Meal per 1L substrate
      • 90ml Bone Meal per 30L substrate
      • Can apply slightly more in the early flowering stage
    • Frequency: Apply every 3 weeks before a watering
    • Application: 
      • Evenly distributed on top of the substrate.
      • Follow with a normal watering. Always use dechlorinated water for organics.
      • Other recommended products to top dress here.

    Garden Bed Amendment

    • Dosage: 240ml - 480ml Bone Meal per m2 of garden space
    • Frequency: Applied every 6-8 weeks
    • Application: 
      • Evenly distributed on top of the soil.
      • Follow with a normal watering. Always use dechlorinated water for organics.
      • Can top dress with other organic soil amendments at the same time.


    • Dosage: Use approx. 5kg Bone Meal per m³
    • Not more than 2% of total volume.
    • Activate with composting soil microbes: Byodyne Environoc 501.

    1L of Bone Meal (approx. 1kg)

    Helpful tips:

    Store bone meal in a cool, dry place to avoid decomposition outside of soil.

    The effectiveness of bone meal phosphorus drops significantly if the pH of the soil is above 7. 

    Bone meal will release phosphorus into the soil for up to four months.

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