R. 'Powder Mill Run'
Rhododendron Hybrid
| Hybridized By | Unknown |
| Seed Parent | R. degronianum ssp yakushimanum |
| Pollen Parent | R. Mars |
| 10 Year Height | 100 cm. (3ft.) |
| Bloom Time | late midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | H5 |
| Status | IRRC registered. |