How to Prune sword lily 'Nova Lux'?
No pruning required

sword lily 'Nova Lux' · Gladiolus 'Nova Lux'
Plant 10 to 16cm deep in fertile, well-drained soil preferably in full sun. Lift when foliage dies back, discard old corms and store new corms in a dry frost-free place until planting in the spring. In milder areas a thick dry winter mulch may suffice
No pruning required