Sprouting onions can be eaten. The sprouting of onions does not produce toxic substances such as chlormequat chloride or aflatoxin like potatoes or peanuts, so it is safe to eat.

Sprouting onions, part of its own nutrients will provide the growth of buds, this time the onion nutrition will be reduced, the taste is not good. Onions in warm and humid places germination rate will be very high, if the home onions are not eaten to put a period of time, it is best to be placed in a cooler and drier place, otherwise it is also easy to produce mold.