Vermiculite is a natural mineral often used with another growing medium to solidify a hydroponic growing setup.

Other hydroponic growing mediums include RockwoolClay pelletsCoconut fiber, and Perlite.

Learn about growing hydroponically:

More grow medium definitions:

Grow medium | Soil | Seedling & Cutting soil | Hydroponic | Rockwool | Clay pellets | Coconut fiber | Perlite | Aeroponic

World Icon

200 grow guides

500 Helpful Articles

Group Icon

35,000+ Daily Visitors

500,000+ Grow Bible readers

Plant Icon

1500 Strain Reviews

100 Strains For Sale