How to Prune flax lily 'Duet'?
Deadhead in autumn to prevent winter rocking which can damage the plant

flax lily 'Duet' · Phormium 'Duet'
Grow in fertile, moist but well-drained soil in full sun. In frost-prone areas, provide a deep, dry mulch in winter
Deadhead in autumn to prevent winter rocking which can damage the plant