R. 'May Day Group'

Rhododendron Cultivar group

Hybridized By Williams, A.M.
Seed Parent R. haematodes ssp haematodes
Pollen Parent R. griersonianum
Introduced 1932
10 Year Height ?
Bloom Time ?
Flower ?
Flower Color ?
Fragrance ?
Leaves ?
Leaf persistence ?
Minimum Hardiness ?
Registration Registered