R. 'William Cowper'
Rhododendron Hybrid
Hybridized By | Waterer (Bagshot). Surrey, England |
Seed Parent | ? |
Pollen Parent | ? |
10 Year Height | ? |
Bloom Time | ? |
Flower | ? |
Predominant Colour | ? |
Leaves | ? |
Winter Foliage | ? |
Hardiness | ? |
Status | IRRC registered. |