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Glacial rock dust is a natural product sourced from ancient glacial sediments. This powdered product is rich in essential minerals and trace elements, making it a highly effective soil amendment for promoting healthy plant growth. From improving soil structure to balancing pH levels and enhancing plant nutrition, glacial rock dust offers a wide range of benefits for gardeners and farmers alike.  

 Here are some of the ways that Glacial Rock Dust can benefit plants and soil:

  •  Provides a diverse range of minerals: This Glacial Rock Dust is sourced from natural glacial sediments in the Okanagan valley that have been excavated and reduced to fine size fractions, making it a rich source of essential minerals and trace elements. These include silica, calcium, magnesium, iron, and potassium, which can provide a wide range of essential nutrients for your plants.
  • Improves soil structure: The fine texture of glacial rock dust can help improve soil structure by increasing porosity and water-holding capacity. This can improve root penetration and support healthy plant growth. When added to heavy soils, it can improve drainage, while in sandy soils, it can help retain moisture.
  • Balances soil pH: This Glacial Rock Dust has a pH of around 6pH - 7pH, which can help neutralize acidic soils and create a more neutral growing environment for your plants. When soil pH levels are too low or too high, it can limit the availability of specific nutrients to plants, leading to stunted growth and poor yields. By helping to balance soil pH levels, glacial rock dust can help ensure your plants have access to all the nutrients they need.
  • Boosts microbial activity: The minerals in glacial rock dust can help promote the growth of beneficial soil microbes, which can help break down organic matter and release nutrients to your plants. These microbes are essential for maintaining healthy soil and can help reduce disease and pest problems in your garden.
  • Enhances plant nutrition: By providing a balanced mix of essential minerals and trace elements, glacial rock dust can enhance the nutritional value of your plants, leading to healthier and more vigorous growth. This can result in better yields, as well as better flavor in fruits, vegetables, and flowers. 
  • Supports sustainable agriculture: Glacial rock dust is a natural and sustainable product. By using it as a soil amendment, you can support sustainable agriculture practices that minimize the use of synthetic chemicals and reduce the environmental impact of farming.

 In summary, glacial rock dust is a highly effective soil amendment that can improve soil structure, balance pH levels, boost microbial activity, enhance plant nutrition, and support sustainable agriculture. By using it in your garden, you can create a nutrient-rich growing environment that supports healthy and vibrant plant growth, as well as delicious and nutritious produce.


  • Gently mix into the top 5cm (2”) of soil
  • In the garden:  Up to 1kg per 1m2 (2.2lbs per 10ft2). Apply annually
  • Topdressing: 60-120ml (1/4-1/2 cup) per plant, or 15-30ml per 4L (1-2tbsp per gal) of soil, annually
  • Premixing soil: 60-90ml per 4L (1/4-3/8 cup per gal) of soil. For larger volume soil mixing add up to 10kg (22lbs) per cubic yard of soil


  • Magnesium (Mg): 0.87%
  • Phosphorus (P): 0.49%
  • Calcium (ca): 3.27% 
  • Manganese (Mn):509ppm
  • Iron (Fe): 26828ppm
  • Zinc (Zn): 54ppm


Canada’s Organic Production Systems Permitted Substances List (CAN/CGSB 32.311-2015) states that “Mined minerals shall not have undergone any change in its molecular structure through the heating or combining with other substances and shall not be processed or fortified with synthetic chemicals”

Our Glacial Rock Dust is pure and unaltered glacial moraine powder with no additives or synthetic processing agents and is acceptable for use in certified organic agriculture in Canada

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