R. 'Royal Flush Group'
Rhododendron Cultivar group
| Hybridized By | Williams, John Charles |
| Seed Parent | R. cinnabarinum ssp cinnabarinum |
| Pollen Parent | R. maddenii ssp maddenii |
| Introduced | 1926 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Plant Hardiness | ? |
| Flower Bud Hardiness |
? |
| Registration | Registered |