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 tea in Whole Foods Market in the United States. The flavor of the tea has been described as "earthy and woody—more similar to a fine green tea than it is to Blue Curaçao or Jolly Ranchers." in a January 2016 article on the Bon Appétit website. One of the most distinctive characteristics of butterfly pea flower tea, and indeed other drinks that use the butterfly-pea flower extract, is that it will change color when the pH balance changes. A deep blue tea will turn purple with the addition of lemon juice, turning a deeper shade of purple the more lemon