Indian tea culture the Yandaboo Treaty. In 1837, the first English tea garden was established at Chabua in Upper Assam; in 1840, the Assam Tea Company began the commercial production of tea in the region, run by indentured servitude of the local inhabitants. Beginning in the 1850s, the tea industry rapidly expanded, consuming vast tracts of land for tea plantations. By the start of the 20th century, Assam became the leading tea producing region in the world. But despite the discovery of the indigenous "Camellia sinensis" plant, the tea industry in India began with 42,000 seedlings germinated from a consignment of 80,000 seeds
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