Trichocereus Pachanoi, San Pedro Cactus

Potting 1 | 2 | 3 | 4 | 5 | Roots | Repotting a Peruvian Torch seedling

The problem with big sections is their tendency to fall over. You need to stake them.

Here I have simply thrust 3 sections of 1/2" PVC pipe down the sides, then used miracle tie to hold the tripod together.