Because the tree is truly tropical and cold-sensitive, the best region to grow mangosteen is South Florida, especially Miami Dade (USDA 11a). It has been reported that mangosteen was first planted in Miami in 1977. Many people have grown or tried to grow mangosteen trees in Florida, but not on a large scale. This is a very unique tree, but who doesn't like gardening challenges? These plants need high humidity and a narrow temperature range. It is considered an “ultra tropical” tree, so it only grows well in the U.S.
Department of State in places such as the east side of the Big Island in Hawaii, Puerto Rico and the warmer parts of Florida. Yes, you can buy mangosteen in the U.S. UU. Here's a list of places in the United States where I was able to buy them.
Fresh mangosteen may just be starting to arrive here, but since 2002, suppliers of nutritional supplements have aggressively marketed high-priced mangosteen juice blends for their supposed medical benefits, fueling an unlikely boom.