American Daylily Society
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Daylily
'Happy Birthday'
(Thomas, 1959)
scape height
28 in, (71 cm)
bloom season
Early-Midseason
ploidy
Diploid
foliage type
Evergreen
bloom habit
Extended
seedling #
1-5-58
Color:
brilliant yellow self with green throat
Parentage:
(Golden Moth × Miami Moon)
The American Daylily Society