Perlite Horticultural Grade - 1L


Perlite is a natural, environmentally friendly material found in all the best potting mixes. The little white fluffy grains aid water retention, drainage, aeration and soil structure giving your plants and seedlings the ultimate environment for their root systems to grow and thrive. Grow Sow Greeners Horticultural Perlite is a must have to amend poor overworked soil or to enhance cheap compos. We highly recommend it.




Grow Sow Greeners Horticultural Perlite is a must have. It ensures professional results in all applications ranging from seed starting and hydroponics through to enhancing store bought composts and potting mixes as well as rectifying heavy clay or compacted garden soils.
For a truly premium result incorporate perlite, vermiculite, our organic bio-stimulant, seaweed and blood fish and bone fertilisers to your soil or medium for all season long nutrition and optimum harvests!
Drop the chemicals and grow naturally today!
  • Add perlite to enhance potting mixes and composts
  • Provides great aeration, drainage and water holding around the root zone
  • Enables optimum root growth and development
  • Long Lasting, stable, PH neutral and completely organic
  • Open porous structure also retains heat, great for heat loving plants
  • Prevents soil compaction
  • 100% natural, sustainable and biodegradable
  • Insulates and minimises temperature fluctuations
  • plastic-free product and packaging
Shipping & Delivery

Shipping & Delivery

Delivery Costs

Our shipping is broken down into two categories and are dispatched the same or next day as standard.

1. Unlimited "Small" (Garden) Seed Packets:

- Including wooden plant markers and sprouting bags.

- £1.99 - Standard Delivery 2 - 4 business days.

- £4.90 Express Delivery 1 - 3 business days

2. Everything Else - Sprouting and Microgreen Seeds, Growing Equipment, Gifts and Grow Kits:

UK Mainland.

- £3.85 - Standard Delivery (2 - 4 business days) on orders between 0 and 2kg.

- £6.50 - Next Day Courier Service on orders 0 - 4.5kg.

- £8.95 - Next Day Courier Service on orders over 4.5kg.

- Contact us for a quote on orders over 26kgs.

Ireland, Northern Ireland, Isle of Man, Guernsey and Jersey.

- £9.45 - Standard Delivery (2 - 4 business days) on orders between 0 and 2kg.

- £23.50 - Standard Delivery on orders 2kg - 26kg.

- Contact us for a quote on orders over 26kg.

The EU, Switzerland and Rest of World.

Get in touch for equipment sales to the EU and the rest of the world for a competitive shipping quote. Unfortunately we cannot yet post seeds outside the UK.

Delivery and Packaging

All products are packaged plastic free as standard. Your garden seeds are sealed for freshness inside white glassine envelopes which are a water/vapour resistant compostable paper product whilst your Microgreen and Sprouting Seeds arrive in resealable zip lock pouches made from GMO free vegetable starch which are further heat sealed to ensure these great products reach you safely!