R. 'Thunderstorm'
Rhododendron Hybrid
| Hybridized By | Slocock, Walter C. |
| Seed Parent | R. 'Doncaster' |
| Pollen Parent | ? |
| Introduced | 1930 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | -10 C (14 F) |
| Additional Hardiness Info |
H4 |
| Registration | Registered |
|
