R. 'Red Admiral'
Rhododendron Hybrid
| Hybridized By | Williams, John Charles |
| Seed Parent | R. arboreum ssp arboreum |
| Pollen Parent | R. thomsonii ssp thomsonii |
| Introduced | 1947 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | early |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | -15 C (5 F) |
| Additional Hardiness Info |
H5 |
| Registration | Registered |