Hibiscus is a perennial deciduous shrub of Hibiscus in Malvaceae. It is native to China, mainly in East China and South China, and also distributed in Korea Peninsula, India and Syria. It is a temperate and subtropical tree species. There are many types of hibiscus flowers, which can be divided into pink hibiscus (red heart hibiscus), purple hibiscus (purple fragrance hibiscus), red hibiscus (sunrise hibiscus, beauty hibiscus, rouge hibiscus, rose hibiscus), white hibiscus (Tina hibiscus, Tianshan snow hibiscus, white flower basket hibiscus), blue moon and other types. Among them, the pink hibiscus with double petals and red hearts has the best edible quality, which is mainly distributed in Longquan City and surrounding areas of Zhejiang Province. It has a long history of production. The local people call this kind of edible hibiscus "new rice flower", which is often planted in front of and behind the house, not only beautifying the rural courtyard environment, but also cooking delicious food with its flowers.

Edible hibiscus flowers are served with budding flower buds or fresh flowers and their products. The cooking method is flexible and can be cold, fried, made into soup or fried. Its texture is crisp and tender, smooth and delicious, and its taste is fragrant, which is deeply loved by consumers.

Edible hibiscus flowers grow fast, bloom early, and have a long flowering period. Generally, flowers can be harvested per 667m215 ~ 30 ㎏ in the current year, 300 ~ 500 ㎏ in the second year, and it can reach1000 ~1250 ㎏ in three years. Or combined with sightseeing and leisure development, or used for environmental beautification and extending the industrial chain, the added value of products can be further improved. Therefore, edible hibiscus is a good ecological and economic tree species with remarkable economic, social and ecological benefits.