R. 'Concessum'
Rhododendron Hybrid
| Synonyms | R. 'Alphonse' |
| Hybridized By | Byls, J. |
| Introduced | 1844 |
| 10 Year Height | 300 cm. (10ft.) |
| Bloom Time | late midseason |
| Flower | broadly funnel-shaped |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Registered |
