R. 'Holden'
Rhododendron Hybrid
| Hybridized By | Shammarello, A.M. Euclid, Ohio, USA, 1958 |
| Seed Parent | R. 'Cunningham's White' |
| Pollen Parent | ? |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |
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