R. 'Umatilla'
Azalea Hybrid
| Hybridized By | Slonecker, H.J. | Milwaukie, Oregon | USA, 1963 |
| Seed Parent | R. 'Hugh Wormald' |
| Pollen Parent | R. 'Marion Merriman' |
| 10 Year Height | ? |
| Bloom Time | midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |