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 |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | elliptic |
| Leaf persistence | ? |
| Minimum Hardiness | -10 C (14 F) |
| Additional Hardiness Info |
H4 |
| Registration | Registered |