Dim sum various mixtures of flowers with green tea, black tea or oolong tea. Flowers used include jasmine, gardenia, magnolia, grapefruit flower, sweet-scented osmanthus and rose. There are strict rules about the proportion of flowers to tea. Jasmine tea is the most popular type of scented tea, and is often the most popular type of tea served at yum cha establishments. The above teas are produced in most of China. Chinese tea bushes ("Camellia sinensis") are cultivated in the mountain areas of tropical and subtropical regions or wherever there is a proper climate, sufficient humidity, adequate sunshine and fertile soil. Chinese tea
Osmanthus fragrans carry the scent of ripe peaches or apricots. A number of cultivars have been selected for garden use, with varying flower colors. Within Japan, the white- and orange-blossoming subspecies are distinguished as "ginmokusei" (, "silver osmanthus") and "kinmokusei" (, "gold osmanthus"), respectively. In Chinese cuisine, its flowers may be infused with green or black tea leaves to create a scented tea (桂花茶, "guìhuāchá"). The flowers are also used to produce osmanthus-scented jam ( , , "guìhuājiàng"), sweet cakes (, "guìhuāgāo"), dumplings, soups, and liquor. Osmanthus jam is used as an ingredient in a type of gruel called "chátāng" (), which