Onions were introduced into Taiwan from Japan in 1912. After World War II, Taiwanese agricultural research stations began moving onion cultivation from central Taiwan down to Pingtung, promoting it vigorously on the Hengchun Peninsula.
洋蔥於 1912 年從日本引進台灣，二次大戰後，台灣省農業試驗所將洋蔥從中部南移到屏東，並在恆春半島大力推廣。