R. 'Adriaan Koster'
Rhododendron Hybrid
| Hybridized By | Koster M. & Sons |
| Seed Parent | ? |
| Pollen Parent | R. 'Mrs Lindsay Smith' |
| Introduced | 1920 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | midseason |
| Flower | campanulate |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Additional Parentage Info |
(campylocarpum hybrid) x () |
| Minimum Hardiness | ? |
| Registration | Registered |
