Volcanic Rock - Red (Usagi)

$5.61 incl. GST
In Stock


  • Often going by the names of rock flour, rock powder, stone dust, and basalt, volcanic rock dust is one of the best things that you can add to your garden.
  • Rock minerals are essential for plant growth, but not all rocks are the same.
  • Igneous rocks from volcanoes like basalt have the highest mineral content.
  • This means that they provide the biggest benefit for your soil.


  • Understanding how volcanic rock dust works to help the soil is easy.
  • Plant roots are voracious feeders that suck minerals out of the soil around them, and over time this depletes the soil’s natural reserves, causing plants to become stunted.
  • By adding volcanic rock dust back to the soil, it makes it accessible to plant roots as soon as they make contact with it.
  • As the rock continues to break down, additional nutrients are made available to the plant roots.
  • Thus, guaranteeing them a consistent supply of nutrients.
  • Plants given plenty of access to volcanic rock dust will grow bigger, faster, and healthier than other plants.
  • Their root structures will improve and strengthen, and they will have increased resistance to pests and diseases.
  • Furthermore, they will have better flavor and greater nutritional value.
  • The slow-release properties of volcanic rock dust make it an easy way to minimize the deficiencies that fast-growing plants experience, as it allows them to have a consistent feeding supply for longer than other forms of fertilizer.


  • To apply your rock dust, simply sprinkle it onto the top few inches of your garden bed and gently till it in.
  • Make sure that it has contact with plant roots.
Product Details

Data sheet

Media Type
Volcanic Rock
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