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
Sayama tea were brought to this region by rivers. The upper layer is made of a reddish loam created by the accumulation of volcanic ash. Together, these two layers make the region unsuitable for growing rice but suitable for tea growing, which requires high precipitation and high soil permeability. It is known that the Japanese people started growing tea trees roughly 800 years ago when Buddhist monks who traveled to China brought back seeds. A historical document from the Nanboku-chō period, , mentions as one of the best regions for tea along with , , , , and . However, the production