How to prune pygmy cactus

Spring, at the start of the growing season. Gently twist or cut offsets free at the base with a sterile knife; let them callous for 2 days before setting on dry compost. Remove any rotted tissue entirely, cutting to clean healthy flesh.

Rarely — offset thinning every few years as needed; rot removal immediately if spotted. Rebutia pygmaea needs minimal pruning. This compact clustering cactus offsets freely but rarely requires cutting unless a pup is overcrowding the pot or a stem shows rot. Remove offsets in spring for propagation. Dead or mushy segments should be cut away promptly with a sterile blade to prevent spread.

Gently twist or cut offsets free at the base with a sterile knife; let them callous for 2 days before setting on dry compost. Remove any rotted tissue entirely, cutting to clean healthy flesh.