R. calostrotum ssp calostrotum 'Rock'
Species selection of R. calostrotum ssp calostrotum
| Selected By | Unknown |
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Saluenensia |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
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