It is widely cultivated in temperate and sub-temperate regions and also in the cooler regions in the tropics.
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In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span between the tropics and the polar regions of Earth.[1] These zones generally have wider temperature ranges throughout the year and more distinct seasonal changes compared to tropical climates, where such variations are often small. They typically feature four distinct seasons, Summer the warmest, Autumn the transitioning season to Winter, the colder season, and Spring the transitioning season from winter back into summer. On the northern hemisphere the year starts with winter, transitions in the first halfyear trough spring into summer which is in mid-year, then at the second halfyear trough autumn into winter at year-end. On the southern hemisphere seasons are swapped with summer in between years and winter in mid-year.
The temperate zones (latitudes from 35° to the polar circles at about 66.5°, north and south) are where the widest seasonal changes occur, with most climates found in it having some influence from both the tropics and the poles. The subtropics (latitudes from about 23.5° to 35°, north and south) have temperate climates that show further similarities with the tropics, usually having warmer summers and milder winters. The poleward outskirts of the temperate zones are where the coldest but yet temperate climates such as the boreal climate are found, with colder winters and milder summers, showing further similarities with the poles.
It is not only latitudinal positions that influence temperature changes: sea currents, air masses, continentality, maritimity, and altitude are also defining factors, with climates considered temperate being found even in tropical areas or milder climates in polar regions. Humidity and precipitation changes are also taken into account.
The Köppen climate classification defines a climate as "temperate" when the coldest month has a mean temperature below 18 °C (64.4 °F).