How to Prune red ginger lily?
No pruning required

red ginger lily · Hedychium coccineum
Also known as: scarlet ginger lily
Grow outdoors in humus-rich, moist but well-drained soil, with shelter from cold winds. Protect in winter with deep a mulch. Grow under glass in a loam-based compost in bright indirect light. Provide moderate humidity and good ventilation
No pruning required