R. 'Koster's Brilliant Red'
Azalea Hybrid
| Hybridized By | Koster M. & Sons | Boskoop | Netherlands, 1918 |
| Azalea group | Mollis |
| Seed Parent | R. molle ssp molle |
| Pollen Parent | R. molle ssp japonicum |
| 10 Year Height | ? |
| Bloom Time | midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |