R. 'May Song'
Rhododendron Hybrid
| Hybridized By | Grace, G.D. |
| Seed Parent | R. 'Bow Bells' |
| Pollen Parent | R. 'Day Dream' |
| 10 Year Height | 100 cm. (3ft.) |
| Bloom Time | midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | H4 |
| Status | IRRC registered. |