How to Prune lupin 'Magic Lantern'?
Deadhead to encourage a second flush of flowers

lupin 'Magic Lantern' · Lupinus 'Magic Lantern'
Grow in moderately fertile, humus-rich, light, moist but well-drained soil in full sun or light, dappled shade. May require support (see staking perennials)
Deadhead to encourage a second flush of flowers