Are Bunching Onions Cold Hardy?

Are Bunching Onions Cold Hardy? Our most winter-hardy bunching onion. Exceptionally cold-hardy scallions. Sow early spring through early fall for harvest well into winter. Little or no bulbing, though overwintering may result in bolting in spring. Can bunching onions survive frost? Onions are hardy and can withstand light freezes and snow. Young starts can be