Cultivation thumb|left|200px|Cultivated calamansi seedling The Philippines is the only major producer of calamansi. It ranks as the fourth most widely-grown fruit crop in the Philippines, after banana, mango, and pineapple. It is primarily grown for its juice extracts which are exported to the United States, Japan, South Korea, Canada, and Hong Kong, among others.
Cultivation thumb|left|200px|Cultivated calamansi seedling The Philippines is the only major producer of calamansi. It ranks as the fourth most widely-grown fruit crop in the Philippines, after banana, mango, and pineapple. It is primarily grown for its juice extracts which are exported to the United States, Japan, South Korea, Canada, and Hong Kong, among others.