How to Prune Paeonia 'Hillary'?
Cut back to ground level in autumn, to remove dead foliage and reduce the risk of disease

Paeonia 'Hillary' · Paeonia 'Hillary'
Grow in deep, rich, well-drained soil, ideally in full sun but will tolerate light shade. Will not tolerate waterlogging. Intersectional peonies will not usually need staking. See herbaceous peony cultivation for more detailed advice
Cut back to ground level in autumn, to remove dead foliage and reduce the risk of disease