How to Propagate rhododendron 'Unique'?
Propagate by semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter

rhododendron 'Unique' · Rhododendron 'Unique'
Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation
Propagate by semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter