
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 4, 2011
These are just flower buds. Many people just cut them off so that the onions focus their energy on the bulbs. Here is some information to help you keep them from flowering in the future:
https://www.gardeningknowhow.com/edible/vegetables/onion/onion-bolting.htm
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