R. 'Album Sion'
Rhododendron Hybrid
| Hybridized By | Knight & Perry |
| Seed Parent | R. campanulatum ssp campanulatum |
| Pollen Parent | ? |
| Introduced | 1850 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |