How to prune clematis 'henryi'

Late winter to early spring (February–March). Remove dead or spindly stems at the base. Cut live stems back to the topmost pair of healthy, plump buds. Tie in remaining stems loosely to support structures before new growth elongates. Deadhead spent blooms after the first flowering to help energy go into the second late-summer flush.

Annually (light tidy in late winter). Clematis 'Henryi' is Group 2, producing large white flowers on old wood in early summer and a second flush later. Prune lightly each late winter — cut out dead and weak stems, and shorten healthy stems to healthy buds. Avoid hard pruning; it removes dormant buds that carry the impressive first flush.

Remove dead or spindly stems at the base. Cut live stems back to the topmost pair of healthy, plump buds. Tie in remaining stems loosely to support structures before new growth elongates. Deadhead spent blooms after the first flowering to help energy go into the second late-summer flush.