The present disclosure relates to an onion growing method, and more particularly, to an onion growing method that includes the steps of: (a) allowing onions to be dormant； (b) breaking the dormancy of the onions； (c) planting the onions of which dormancy is broken in a field； (d) growing the planted onions to produce a plurality of stems and bulbs divided from the respective onions； and (e) harvesting the plurality of stems and bulbs. According to the present disclosure, the onion growing method does not have any limitation in growth time unlike a conventional onion growing method, reduces a period of growth, and drastically increasing onion yield to raise a farmer's profits. Also, the onion growing method stably supplies onion stems and leaves, thereby providing various profits through onions.
