How to prune haage's cactus

Late spring. Make a single clean cut with a sterilised knife or pruning saw. Dust the cut surface with sulfur powder to discourage rot, then leave the wound to callous in shade for at least five to seven days before resuming normal care.

Rarely — only when disease or physical damage requires it. Haage's Cactus (Haageocereus acranthus) is a columnar cactus that requires no planned pruning. Growth is upright and self-sufficient. Remove only sections that are rotting, blackened, or physically damaged. Cut back to firm, healthy tissue with a sterile blade and allow the wound to callous fully before watering.

Make a single clean cut with a sterilised knife or pruning saw. Dust the cut surface with sulfur powder to discourage rot, then leave the wound to callous in shade for at least five to seven days before resuming normal care.