How to Prune lily 'Broken Hearted?
No pruning required, but deadheading will improve their appearance
lily 'Broken Hearted · Lilium 'Broken Hearted'
Plant bulbs in autumn, 15 cm deep, in acidic or neutral, moist but well-drained soil enriched with leaf mould or well-rotted organic matter, in a sheltered position, with the base of the plant in shade, for example from ground-cover plants, and the rest of the plant in full sun or light dappled shade
No pruning required, but deadheading will improve their appearance