R. 'Gay Arsen'
Rhododendron Hybrid
| Hybridized By | Arsen, F.A. |
| Seed Parent | R. degronianum ssp yakushimanum |
| Pollen Parent | R. 'Henriette Sargent' |
| Introduced | 1969 |
| 10 Year Height | 100 cm. (3ft.) |
| Bloom Time | late midseason |
| Flower | openly funnel-shaped |
| Predominant Colour | ? |
| Leaves | narrowly elliptic |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |