R. 'Prizewinner'
Rhododendron Hybrid
| Hybridized By | Delp Weldon E. |
| Seed Parent | R. maximum |
| Pollen Parent | R. 'Brookville x Mary Garrison' |
| Introduced | 1974 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | late |
| Flower | open funnel-campanulate |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |