How to Prune rhododendron 'Crest'?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

rhododendron 'Crest' · Rhododendron 'Crest'
Grow in moist but well-drained, leafy, humus-rich acid soil, in part shade with shelter; see rhododendron cultivation
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.