R. 'Calliope'
Rhododendron Hybrid
| Hybridized By | Van Houtte, L. B. (Louis Benoit) |
| Seed Parent | R. caucasicum |
| Pollen Parent | ? |
| Introduced | 1870 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |