Miyazaki Prefectural Aoshima Subtropical Botanical Garden mainly cultivates and displays 500 species of subtropical plants imported from Singapore, Argentina, Brazil, Hawaii, etc., about 23,000 plants. Among them, coconuts and bougainvillea are the largest collections in Japan. In addition, there is a large greenhouse that cultivates more than 3,000 plants of 230 species such as hibiscus, mango and banana.