R. 'Sweet Mystery'
Rhododendron Hybrid
| Hybridized By | Thompson’s Nursery |
| Seed Parent | R. degronianum ssp yakushimanum |
| Pollen Parent | ? |
| Introduced | 1990 |
| 10 Year Height | 100 cm. (3ft.) |
| Bloom Time | midseason |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |