Growing media include:

Coconut coir, coco peat blocks, coco coir blocks, coconut husk chips, coconut husk blocks, coco fiber, peat, peat moss, cork, sawdust, wood shavings, wood chips, bark, bark chips, bark granules, palm fiber pellets, palm peat, palm meal, palm kernel shells, non-viable moss, sphagnum moss, dried sphagnum moss, wood fiber, castor meal, perlite, Akadama soil, rice husks, rice bran, cereal husks, coffee husks, peanut shells, cottonseed hulls, bagasse, grape pomace, cocoa pod husks, oil palm shell charcoal, and other approved growing media, excluding soil.

This includes single-component organic growing media, as well as mixed growing media consisting of two or more of the above organic materials, or organic materials combined with inorganic growing media.