R. 'Sister Betty'
Rhododendron Hybrid
| Hybridized By | Weeks, C. |
| Seed Parent | R. 'Calstocker Group' |
| Pollen Parent | R. 'Gill's Crimson' |
| Introduced | 1995 |
| 10 Year Height | 120 cm. (4ft.) |
| Bloom Time | very early |
| Flower | funnel-campanulate |
| Predominant Colour | ? |
| Leaves | elliptic to oblong |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |