Spring onion is a leafy vegetable. It has long leaves and small onions in the bottom. It has a mild flavor and taste of onion. It is also known as scallion. Spring onions are rich in vitamin A and vitamin C. Vitamin A promotes body immunity. It is also very essential for cell developments and healthy skin. Vitamin C helps to boost bone health, blood vessels and it also helps the body to absorb iron. It is also essential for wound healing and help to improve brain function. Spring onions are an optimal source of folic acid.