How to prune lupinus 'masterpiece'

Deadhead immediately after first flush fades; cut back in late autumn. Cut spent flower spikes to a healthy lateral bud or side shoot to prompt reblooming. After the season ends, cut back hard to the basal rosette to encourage strong growth the following spring.

Deadhead throughout flowering season; cut back annually in autumn. Lupinus 'Masterpiece' responds well to deadheading spent spikes, which encourages a second flush of flowers. Cut spent spikes back to a side shoot with developing buds. After the second flush, cut plants back to their basal rosette. Remove all growth to the ground in late autumn.

Cut spent flower spikes to a healthy lateral bud or side shoot to prompt reblooming. After the season ends, cut back hard to the basal rosette to encourage strong growth the following spring.