R. 'Powerhouse'
Rhododendron Hybrid
| Hybridized By | Delp Weldon E. |
| Seed Parent | R. 'America x Doctor V.H. Rutgers' |
| Pollen Parent | R. maximum |
| Introduced | 1974 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | late |
| Flower | broadly funnel-campanulate |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | acute |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Registered |
|