R. 'Scarlet Blast'
Rhododendron Hybrid
| Hybridized By | Leach, Dr. David G. |
| Seed Parent | R. 'Mars' |
| Pollen Parent | R. 'Mars x catawbiense' |
| Introduced | 1972 |
| 10 Year Height | 120 cm. (4ft.) |
| Bloom Time | midseason |
| Flower | openly campanulate |
| Predominant Colour | ? |
| Leaves | elliptic |
| Winter Foliage | ? |
| Hardiness | H5 |
| Status | IRRC registered. |