How to prune colocasia 'illustris' (imperial taro)

Year-round as needed; most actively in late winter before the growing season resumes. Cut yellowed or damaged petioles cleanly at the base where they meet the corm or main stem. Wear gloves — the sap contains calcium oxalate crystals that irritate skin.

As needed (every few weeks during active growth). Colocasia 'Illustris' benefits from regular removal of yellowing, dying, or damaged leaves to keep the plant tidy and redirect energy to healthy growth. Prune spent foliage at the base of the petiole with clean, sharp scissors. No structural pruning is needed — the plant's bold tropical form is self-shaping.

Cut yellowed or damaged petioles cleanly at the base where they meet the corm or main stem. Wear gloves — the sap contains calcium oxalate crystals that irritate skin.