R. 'Helena'
Rhododendron Hybrid
| Hybridized By | Ramsden, Sir John. Muncaster Castle, UK, 1934 |
| Seed Parent | R. edgeworthii |
| Pollen Parent | R. formosum var formosum |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |