A grow medium is the material on or in which you grow a plant. Also called a substrate.

Some examples of grow mediums are:

Read all about grow mediums in these articles:

More grow medium definitions:

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

World Icon

500 Helpful Articles

200 detailed grow guides

Group Icon

35,000+ Daily Visitors

500,000+ Grow Bible readers

Plant Icon

100 Hand-Picked Strains

8,000+ connected businesses