R. 'Masterblend'
Rhododendron Hybrid
| Hybridized By | Delp Weldon E. |
| Seed Parent | R. 'maximum x vernicosum' |
| Pollen Parent | R. 'aureum x maximum' |
| Introduced | 1983 |
| 10 Year Height | ? |
| Bloom Time | late midseason |
| Flower | openly funnel-shaped |
| Predominant Colour | ? |
| Leaves | broadly acute |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |