How to prune horse crippler cactus

Spring, if corrective tissue removal is required. Cut back to firm, healthy tissue using a sterilised sharp knife. Dust the cut surface with powdered sulphur or cinnamon to prevent fungal infection. Allow to callous fully in a dry spot before resuming normal care.

Rarely — corrective only. Horse Crippler Cactus is a flattened, solitary barrel cactus with no branches to prune. Routine pruning is neither needed nor possible. Remove only soft, rotting, or dead tissue if overwatering damage occurs. Otherwise, leave this cactus completely undisturbed — cutting into healthy tissue is harmful.

Cut back to firm, healthy tissue using a sterilised sharp knife. Dust the cut surface with powdered sulphur or cinnamon to prevent fungal infection. Allow to callous fully in a dry spot before resuming normal care.