Vermiculite

Help seed compost and suitable potting mixes retain moisture with super-fine horticultural vermiculite. Our 0.25–1.7 mm grade is ideal for covering newly sown seeds, propagation and mixing with compost. Choose volumes from 2.5 to 50 litres.

1 product

Horticultural Vermiculite | Super Fine Grade | 0.25–1.7 mm
Price£6.40
£2.56 per 1 Liter

Vermiculite for Seed Sowing and Propagation

Looking for a way to keep seed compost from drying out too quickly? Super-fine horticultural vermiculite holds moisture and can be used as a light covering for suitable seeds or mixed into seed and cutting compost. Follow the seed packet instructions for sowing depth and covering.

A Moisture-Retaining Addition to Potting Mixes

Mix vermiculite with suitable compost for plants that benefit from more consistent moisture. Our fine 0.25–1.7 mm grade is useful for propagation and preparing growing mixes for young plants. Discover more about vermiculite (its benefits and how to use it). Choose the proportion according to your plants and the product instructions, maintaining appropriate drainage, watering and feeding.