How to prune oakleaf hydrangea 'snow queen'

Immediately after flowering ends (June–July). Remove spent flower clusters and dead or damaged stems. For shaping, shorten select stems back to a healthy lateral bud right after bloom. Avoid cutting into two-year-old or older wood unless necessary.

As needed; once annually at most. Light pruning only, and timing matters. Snow Queen blooms on old wood, so prune immediately after flowering ends in early summer. Heavy or late pruning will remove next year's buds. This species has a naturally beautiful, layered form — it looks best with minimal intervention. Remove dead wood and shape lightly as needed.

Remove spent flower clusters and dead or damaged stems. For shaping, shorten select stems back to a healthy lateral bud right after bloom. Avoid cutting into two-year-old or older wood unless necessary.