Biopot  - NatureGrowing in a Nature Biopot is environmentally friendly. Biopots are made of a compressed blend of 100% wood fibre. These biodegradable pots are perfect for direct planting and growing and you can transplant them pot and all. The roots are able to go freely through the pot. You simply plant the entire pot directly into the ground. Nature Biopot, square, 5 x 4 x 4 cm, 6 pieces per package.