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

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