Rhododendron 'Blue Danube'
fortunei ssp discolor X 'Purple Splendour'
Syn: 'Blaue Donau'
Waterer, Knap Hill before 1958
HC 1959; AGM 2012
H5
Shrub growing to 1.2m
Flowers: Compact, domed trusses of 20-25, open funnel-shaped flowers; 65mm long x 90mm wide, cobalt violet, deepening at edges and spotted mustard yellow on dorsal lobe
May
Not scented
Foliage: Elepidote. Leaves are 95mm long x 40mm wide, dark green
Other Information: Unlikely to be commercially available in the UK
Location: Ramster Gardens
Photo: Miranda Gunn