R. 'Superbum'
Azalea Hybrid
| Hybridized By | Koster M. & Sons | Boskoop | Netherlands, 1901 |
| Azalea group | Occidentale |
| Seed Parent | ? |
| Pollen Parent | ? |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | late midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
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