01SANDS & SOILS
Angular lightness for better drainage
A pale, porous aggregate that transforms dense earth into a breathable medium. Its angular shards create air pockets within the pot, allowing roots to breathe while retaining just enough moisture for growth.
Ideal for gardeners crafting custom blends for cacti, succulents and orchids. The coarse texture ensures rapid drainage, making it suitable for seed raising where quick germination and gentle root handling are essential.
1 x 10L Resealable Zip Lock Bag (Net Weight approximately 430g)
02MATERIALS
Volcanic glass with a purposeful shape
Formed from volcanic glass, this perlite is a hard, white mineral that remains stable in soil. Its coarse grade features distinct angular properties, which prevent compaction and maintain open channels for water and air. This structural rigidity ensures the mix stays loose over time, providing consistent aeration without breaking down into fine dust.
IN USE
Breathing space for delicate root systems
When mixed into potting media, the particles hold oxygen and a small amount of moisture alongside soluble fertiliser nutrients. For plants like cacti and orchids, this balance prevents waterlogging while keeping roots hydrated. The high cation-exchange capacity helps buffer the soil, maintaining a stable environment for nutrient uptake during critical growth phases.
PRACTICALITY
Lightweight bulk for custom blends
The ultra-light nature of the mineral makes it easy to handle when creating large batches of raised bed or potting mixes. A single 10-litre bag contains approximately 430 grams of material, allowing you to adjust ratios precisely. The re-sealable zip lock keeps the contents dry and clump-free until your next project, preserving its airy quality.
SEEDLING CARE
Gentle extraction for new growth
In seed raising mixes, perlite encourages quicker germination by improving airflow around the seed. As seedlings develop, their roots navigate the porous matrix with ease. Transplanting becomes simpler because the lightweight medium allows young plants to be lifted out with minimal disturbance, reducing shock and promoting stronger early establishment.
AT A GLANCE
The key points
- Volcanic glass with a coarse, angular structure
- Inert, sterile and free from disease or weeds
- Holds oxygen, moisture and soluble nutrients
- Net weight approximately 430g in a 10L bag
- Re-sealable zip lock packaging for storage
About this product
Perlite is a light, hard, aerated, white mineral, formed from volcanic glass, used in potting mixes to add open and porous drainage, provide aeration to plant roots and hold oxygen, a little moisture and nutrients from soluble fertilisers.
Perfect for creating your own potting mix or raised bed mix in bulk. Simply add compost, soil and other components to make your own specialty blend, especially for plants that love aeration and excellent drainages like cacti, succulents and orchids. The angular properties of Coarse Perlite make it particularly useful for creating free draining potting mixes.
Perlite in seed raising mixtures encourages quicker germination and improved seedling growth. Seedlings are easily removed from Perlite with little damage to the roots as they transplant with minimum disturbance.
Features
- Inorganic, inert and sterile
- Quicker germination
- Non-abrasive
- Ultra-light weight
- Free from disease, weeds and insects
- Environmentally friendly
- High cation-exchange (or buffering exchange)
- Excellent aeration and drainage characteristics
- High water holding capacity
- Insulating properties
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