How to Prune truncate calathea?
No pruning required

truncate calathea · Goeppertia truncata
Grow in houseplant compost with bright indirect or filtered light. Provide high humidity and draught-free conditions. Water moderately when in growth and apply a balanced liquid fertiliser monthly; keep just moist in winter. Topdress annually and repot every 2-3 years. See houseplant cultivation for further information
No pruning required