Hemerocallis flava, known as lemon daylily, lemon lily, yellow daylily, and other names) is a plant of the genus Hemerocallis.

It is found in China, northeastern Italy, and Slovenia.

[1] Hemerocallis lilioasphodelus grows in big, spreading clumps, and its leaves grow to 75 cm (30 in) long.

Its scapes each bear from 3 through 9 sweetly fragrant, lemon-yellow flowers.

[1] The flowers of some daylillies, including Hemerocallis lilioasphodelus are edible[2] and are used in Chinese and Japanese cuisine.