Horticultural Pumice | Premium Ultra Fine Grade



Premium Horticultural Pumice | Ultra Fine Grade | AAA

Very high quality pumice in an ideal horticultural size. Pumice’s porous structure enhances drainage and encourages gas exchange to increase air porosity while also holding water and nutrients.

Pumice is a lightweight volcanic rock or lava. It can contain up to 70 trace minerals which nourish the plant over time. High grade pumice doesn’t decompose, discolour, or float like perlite. It also remains evenly distributed in the pot over time.

Not all pumice is created equal. This is the highest grade of pumice available. This quality is mined from only one spot in the world. Ultra white and clean, little to no dust or contaminants. It’s sifted, cleaned, and kiln dried.

Most commercial pumice is of very low quality. A yellow colour, lots of dust, brittle pieces, and unstable structure are all indicators of low grade pumice rock not suitable for plants. Low grade pumice will degrade with watering clogging up the soil over time.

High grade horticultural pumice stone is an essential ingredient in high quality soil mixes for cacti, succulents, cuttings, bonsais and other hard to grow plants.

Pebble size 0.5 – 5mm
Brilliant white colour
Throughly washed and dried
Can be used as a decorative top dressing
Will not compact
Pumice has a neutral pH that cacti and succulents thrive in.
Excellent nutrient holding ability not possible with other amendments.
Does not float like perlite, allowing for consistent results, predictable distribution, and reliable drainage and aeration characteristics.
Provides minerals to cacti/succulents over time enhancing growth
Ideal for rooting cuttings and other propagation uses.

Pumice is a fantastic soil amendment with many proven benefits such as better aeration and drainage and higher nutrient retention. It slowly feeds the roots over time. Neutral PH. AAA pumice is a vital part of any high quality mix for plants.

It can be used in a number of ways;

  • Starting seedlings
  • Mixed into soil to allow for better drainage and nutrient retention with a slow release of nutrients over time. It can be used with any type of plant.
  • Rooting cuttings is made easy with pumice as it stimulates root development in plants.


We offer various sizes and grades of Pumice depending on its needs, find them below.

Horticultural Pumice 

AAA Grade Premium Horticultural Pumice




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