How to Prune peony 'Raspberry Sundae'?
Remove dead flowers as they fade, then cut plant back as the foliage dies down at the end of summer

peony 'Raspberry Sundae' · Paeonia lactiflora 'Raspberry Sundae'
Best in deep, fertile, humus-rich soil that is moist but well-drained in a sheltered position in full sun or partial shade. Likely to need support (see staking perennials). Long-lived but resents disturbance. See herbaceous peony cultivation for further information.
Remove dead flowers as they fade, then cut plant back as the foliage dies down at the end of summer