R. 'Excelsior'
Rhododendron Hybrid
| Hybridized By | Heinje, D. |
| Seed Parent | R. degronianum ssp yakushimanum |
| Pollen Parent | ? |
| Introduced | 1981 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | No official registration in IRRC / ICRA or JARS. |
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