History of tea Sanjeevani plant is in fact a different plant and is not related to tea. The Singpho tribe and the Khamti tribe also validate that they have been consuming tea since the 12th century. However, commercial production of tea in India did not begin until the arrival of the British East India Company, at which point large tracts of land were converted for mass tea production. The Chinese variety is used for Sikkim, Darjeeling tea, and the Assamese variety, clonal to the native to Assam, everywhere else. The British started commercial tea plantations in India and in Ceylon: "In 1824 tea
Green tea tea producing region in Japan is Uji, located near the former capital of Kyoto. It is thought that seeds sent by Eisai were planted in Uji, becoming the basis of the tea industry there. Today, Japan's most expensive premium teas are still grown in Uji. The largest tea producing area today is Shizuoka Prefecture, which accounts for 40% of total Japanese sencha production. Other major tea producing regions include the island of Kyushu and the prefectures of Shiga, Gifu, and Saitama in central Honshu. All commercial tea produced in Japan today is green tea, though for a brief period black