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:
- A Beginner’s Guide to Growing Marijuana
- What is the Best Soil for Growing Marijuana?
- Hydroponic Marijuana Growing Indoors
More grow medium definitions:
Soil | Seedling & Cutting soil | Hydroponic | Rockwool | Clay pellets | Coconut fiber | Perlite | Vermiculite | Aeroponic