R. 'Trewithen Orange Group'
Rhododendron Cultivar group
| Hybridized By | Johnstone G.H. |
| Seed Parent | R. 'Full House Group' |
| Pollen Parent | R. cinnabarinum ssp xanthocodon Concatenans Group |
| Introduced | 1950 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |