R. 'Jefferson Centennial'
Rhododendron Hybrid
| Hybridized By | Berg, Warren. Port Ludlow, Washington, USA |
| Seed Parent | R. aberconwayi |
| Pollen Parent | R. degronianum ssp yakushimanum |
| 10 Year Height | 60 cm. (2ft.) |
| Bloom Time | early midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | H5 |
| Status | IRRC registered. |