Black tea originated in China, where full oxidation techniques created bold, enduring teas like Keemun and Lapsang Souchong that shaped global tea culture.

What exactly makes tea “tea”? Learn how all true teas come from the Camellia sinensis plant, how oxidation shapes green, white, oolong, black, and pu-erh teas, and why tea is one of the world’s healthiest and most widely enjoyed beverages.