Girl without sorrow, formerly known as day lily, Latin scientific name: day lily (Hemerocallis citrina Baroni), also known as day lily, girl without sorrow, day lily, day lily flower, brain-nourishing vegetable, tranquilizing vegetable and scallion, is a perennial herb in Liliaceae, with nearly fleshy roots and spindle-shaped swelling in the middle and lower parts. Scapes vary in length, pedicels are short and there are many flowers. Perianth is light yellow, orange, black and purple. Capsule obtuse triangular oval, flowering and fruiting from May to September. [ 1]? Sweet and cool in taste, it has the functions of stopping bleeding, diminishing inflammation, clearing away heat and promoting diuresis, and is rich in essential nutrients such as pollen, sugar, protein, vitamin C, calcium, fat, carotene and amino acids. Mainly distributed in China.

Daylily is barren and drought-tolerant, and has low requirements for soil, so it can be cultivated geographically or on hillsides. It has wide adaptability to light and can be intercropped with higher crops. The aboveground part of day lily is not cold-resistant, and the underground part is cold-resistant to-10℃. Avoid excessive soil moisture or water accumulation. When the ten-day average temperature is above 5℃, seedlings begin to emerge, and the suitable temperature for leaf growth is 15℃ ~ 20℃. Flowering requires high temperature, and 20℃ ~ 25℃ is more suitable. It is cultivated in all parts of China, mostly in the grasslands south of Qinling Mountains, Hunan, Jiangsu, Zhejiang, Hubei, Jiangxi, Sichuan, Gansu, Shaanxi, Jilin, Guangdong and Inner Mongolia. Quxian County, Sichuan Province is known as "the hometown of yellow flowers in China".

Attached to the day lily viewing pictures:

Hemerocallis

Hemerocallis

Hemerocallis

Hemerocallis