R. 'Countess of Athlone'
Rhododendron Hybrid
| Hybridized By | van Nes C. B . & Sons |
| Seed Parent | R. Geoffroy Millais |
| Pollen Parent | R. catawbiense 'Catawbiense Grandiflorum' |
| Introduced | 1923 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | late |
| Flower | ? |
| Flower Color | ? |
| Leaves | ovate |
| Winter Foliage | ? |
| Hardiness | H4 |
| Status | IRRC registered. |
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