R. 'Hachmann's Topsi'
Rhododendron Hybrid
| Hybridized By | Hachmann, Hans |
| Seed Parent | R. degronianum ssp yakushimanum 'Koichiro Wada' |
| Pollen Parent | R. forrestii ssp forrestii |
| Introduced | 1986 |
| 10 Year Height | 60 cm. (2ft.) |
| Bloom Time | midseason |
| Flower | funnel-campanulate |
| Predominant Colour | ? |
| Leaves | obovate |
| Winter Foliage | ? |
| Hardiness | H4 |
| Status | IRRC registered. |