R. 'Jay McMartin'
Rhododendron Hybrid
| Hybridized By | Lem Halfdan |
| Seed Parent | R. 'C.P. Raffill Group' |
| Pollen Parent | R. 'Moser's Maroon' |
| Introduced | 1950 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |