R. 'Maria Derby'
Azalea Hybrid
| Hybridized By | Gartrell, R. D. | Highland Farms, Black Mountain, North Carolina | USA |
| Seed Parent | R. 'Jimmy Coover' |
| Pollen Parent | R. 'Glamour' |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | ? |
| Flower | openly funnel-shaped |
| Predominant Colour | ? |
| Leaves | narrowly elliptic |
| Winter Foliage | ? |
| Hardiness | ? |