R. maximum 'Summertime'
Species selection of R. maximum
| Selected By | Crown Estate Commissioners , Windsor, Berkshire , England, 1974 |
| Subgenus | Hymenanthes |
| Section | Pontica |
| Subsection | Pontica |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | broadly funnel-shaped |
| Predominant Colour | ? |
| Leaves | oblanceolate |
| Winter Foliage | ? |
| Hardiness | ? |
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