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In page Tea:

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Camellia sinensis is an evergreen plant that grows mainly in tropical and subtropical climates.[1] Some varieties can tolerate oceanic climates and are cultivated as far north as Cornwall in England,[2] Perthshire in Scotland,[citation needed] Washington in the United States,[3] and Vancouver Island in Canada.[4] In the Southern Hemisphere, tea is grown as far south as Hobart in Tasmania[5][6] and Waikato in New Zealand.[7]