Quote:
Originally Posted by shule1
In addition to walking onions, you might try the Green Mountain multiplier onion, potato onions (like the Yellow potato onion), shallots, and maybe some bunching onions (I'm not sure if they multiply like shallots, or if they only last a year or two).
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It turns out that bunching onions do multiply (and are often perennial). They are often very cold hardy.