A cannabis grow medium is the substance in which you decide to grow your cannabis plants. Each type has its advantages and disadvantages, affecting how your cannabis will grow in one form or another. You will find that  cultivators of varying skill levels all have their own personal favourites and it will come down to time and experience for you to work out what is best for you.

Growing mediums tend to fall into one of two categories; either soil based growth mediums that usually contain a natural organic nutrient content; or hydroponic based growth mediums, such as clay pellets or Rockwool - these usually have no nutritional content.

The following articles should give you an understanding of the two categories and the advantages and disadvantages of the individual types of medium that fall within them.