R. 'Jason Group'
Rhododendron Cultivar group
| Hybridized By | Rothschild, L. de. Founder of Exbury Gardens, UK, 1942 | 
| Seed Parent | R. lacteum | 
| Pollen Parent | R. 'Penjerrick Group' | 
| 10 Year Height | 250 cm. (8ft.) | 
| Bloom Time | midseason | 
| Flower | ? | 
| Predominant Colour | ? | 
| Leaves | ? | 
| Winter Foliage | ? | 
| Hardiness | ? | 
| Status | IRRC registered. |