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
Butterfly pea flower tea juice is added. Mixed with fuchsia roselle hibiscus leaves the tea will turn a bright red color. A popular use of the tea is in cocktails where the showmanship of the cocktail making incorporates the instantaneous color change in front of the patron that ordered the drink. Other uses included cocktails or punch bowls where the tea is frozen into ice cubes, causing the drink to change color as the ice cube dissolves leading to what has been labeled as a "mood ring cocktail". Butterfly pea flower tea Butterfly-pea flower tea is a caffeine-free herbal tea, or tisane, beverage made