Hemerocallis is a sort of perennial plants belonging to the family of Hemerocallidaceae. In the nature the Day lily lives near reservoirs, in mountains, on meadows and forest edges of Europe, Asia and the Far East. The Latin name is formed from a combination of the words "hemera" – in translation from Greek means "day" and "kallos" - "beauty" that points to feature of blossoming of the Day lily: each flower blossoms only on an extent of one day. The day lily has thick roots thanks to which can receive moisture from the lower layers of earth. Leaves linear, wide, direct or curved in an arch, with the advent of the first autumn frosts they, as a rule, perish, and in the spring with approach of warm days start over again to grow.