R. 'Passion'
Rhododendron Hybrid
| Hybridized By | Hachmann, Hans |
| Seed Parent | R. 'Caractatus' |
| Pollen Parent | R. 'Hugh Koster' |
| Introduced | 1959 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | late midseason |
| Flower | openly funnel-shaped |
| Predominant Colour | ? |
| Leaves | elliptic |
| Winter Foliage | ? |
| Hardiness | H4 |
| Status | IRRC registered. |