A daylily is a flowering plant in the genus Hemerocallis , a member of the family Asphodelaceae, subfamily Hemerocallidoideae. Despite the common name, it is not in fact a lily. Gardening enthusiasts and horticulturists have long bred daylily species for their attractive flowers. Thousands of cultivars have been registered by local and international Hemerocallis societies.The name Hemerocallis comes from the Greek words ἡμέρα (hēmera) 'day' and καλός (kalos) 'beautiful'.
Daylilies are perennial plants, ...