We grow Mandarin Oranges in the US south except we call them Satsumas.
"While the species originates from Japan, it does not originate from the Satsuma Province in particular. The towns of Satsuma, Alabama, Satsuma, Florida, Satsuma, Texas and Satsuma, Louisiana were named after this fruit. By 1920 Jackson County in the Florida Panhandle had billed itself as the "Satsuma Capital of the World."