R. 'Doorbuster'
Rhododendron Hybrid
| Hybridized By | Delp Weldon E. |
| Seed Parent | R. 'Midsummer' |
| Pollen Parent | R. 'Delp's Red Max' |
| Introduced | 1977 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | late midseason |
| Flower | openly funnel-shaped |
| Predominant Colour | ? |
| Leaves | broadly acute |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |