R. 'Monstrous'
Rhododendron Hybrid
| Synonyms | R. 'Ajax' |
| Hybridized By | Waterer (Bagshot). Surrey, England, 1860 |
| Seed Parent | R. 'Mrs E C Stirling' |
| Pollen Parent | ? |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Additional Parentage Info |
() x (smirnowii hybrid) |
| Hardiness | ? |
| Status | IRRC registered. |