A kit of root directing base, RootBuilder® II air root pruning sidewall, and cable ties can be assembled to create the HIGH 5.

Cinder block fabric bags in nursery production. Fibrous root system, temperature insulation, and does not blow over.

Started in RootMaker® propagation trays, these cinder block fabric tree bags were removed and washed to show the fibrous root system inside.

Seedlings grown in cinder block bags. One season's growth.

3-gallon root system. Right, washed to show the mass of small roots inside.

Fibrous root system from round 1-gallon (trifoliate orange).

Without, and with the benefit of the RootTrapper®.

1-gallon RootMakers® plastic pots in nursery production (oaks).

Fibrous roots from RootTrapper® grow bag.

3-gallon RootMaker® containers in nursery production. Tree liners equipped for transplant success.