NEW - Air Pruning Pots for sale. $6 each. 5 Gallon size ( 30cmx30cm). (comes disassembled in a sheet with bottom and screws - easy to put together) Air Pruning pots stop plants and shrubs from becoming root bound, while stimulating dense inner root mass. Dimples on sides 'air prune' long roots that would otherwise wrap around the inner pot. Used extensively overseas. They actively enhance the plant by making it develop a mass of healthy fibrous roots. (60 available)