ic soils, and long brewing.[61]Cultivation and harvesting[සංස්කරණය]Tea plantation workers in Sri LankaCamellia sinensis is an evergreen plant that grows mainly in tropical and subtropical climates.[62] Some varieties can also tolerate marine climates and are cultivated as far north as Cornwall in England,[63] Perthshire in Scotland,[64] Washington in the United States,[65] and Vancouver Island in Canada.[66] In the Southern Hemisphere, tea is grown as far south as Hobart in Tasmania[67][68] and Waikato in New Zealand.[69]Tea plants are propagated from seed and cuttings; about 4 to 12 years are needed for a plant to bear seed and about three years before a new plant is ready for harvesting.[62] In addition to a zone 8 climate or warmer, tea plants require at least 127 cm (50 in) of rainfall per year and prefer acidic soils.[70] Many high-quality tea plants are cultivated at elevations of up to 1,500 m (4,900 ft) above sea level. Though at these heights the plants grow more slowly