How to prune brunnera macrophylla 'looking glass'

After flowering in late spring; remove damaged leaves at any time. Snip flower stems at the base once blooms are finished. Remove damaged leaves individually at the stem. Avoid cutting the whole plant back unless severe leaf damage forces it — 'Looking Glass' does not rebound as vigorously as the straight species.

Minimal; deadhead after spring flowering, remove damaged leaves as needed. 'Looking Glass' needs very little pruning. Its nearly all-silver leaves are the main attraction. Remove flower stems after the spring forget-me-not flowers fade if you want to reduce self-seeding. Cut out individual tatty leaves through the season. The clump does not require hard pruning — over-cutting removes the very foliage the plant is grown for.

Snip flower stems at the base once blooms are finished. Remove damaged leaves individually at the stem. Avoid cutting the whole plant back unless severe leaf damage forces it — 'Looking Glass' does not rebound as vigorously as the straight species.