R. 'James Holdaway'
Rhododendron Hybrid
| Hybridized By | Harrison's Nursery, 1936 |
| Seed Parent | R. 'Beauty of Tremough' |
| Pollen Parent | R. 'Glory of Penjerrick' |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |