A flowering onion crop is not ideal for a good onion harvest, but the blooms are edible, and you can still eat the onions even after they flower. As an edible plant, onions are grown as cool-season annuals in mild climates.
What do you do with onions after they bloom?
As soon as you see an onion has flower buds, snip the buds to prevent the bulb from splitting, then harvest and eat those onions first, the sooner the better. Onions that have bolted don’t store well. Onion bolting is a problem for even professional growers.
Should I cut off onion flowers?
That said, onions that have flowered are still edible. They should be cured, the leaves and flower stalk removed, and the bulb eaten within a couple of months. Even if you find a few of your onions bolting, all is not lost.
Can you eat spring onions after they flower?
Dig up any onions that produce a flower stem. Once they start to set seed they won’t grow any more, and they don’t store well either. But onions that have bolted are still edible and will taste fine, so dig them up first and eat them, leaving the others to mature in the ground.
Can you eat spring onion flowers?
Onion flowers are edible and have an sweet, strong onion taste. For seed harvest, allow the flower head to dry on the plant.