R. 'Moonstone Yellow'
Rhododendron Hybrid
| Hybridized By | Williams, John Charles |
| Seed Parent | R. campylocarpum ssp campylocarpum |
| Pollen Parent | R. williamsianum |
| Introduced | 1933 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | midseason |
| Flower | campanulate |
| Flower Color | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |
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