R. 'Echo'
Azalea Hybrid
| Hybridized By | Morrison, B.Y. |
| Azalea group | Glenn Dale |
| Seed Parent | R. simsii var simsii |
| Pollen Parent | R. mucronatum var mucronatum |
| Introduced | 1948 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | early midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |