If kept in a cool, dry place, like inside onion storage containers in the pantry or cabinet, onions can last up to two to three months.

Long story short, always store pickled onions in a glass container. Storing pickles in glass containers is advantageous for ...

To prevent your onions from spoiling prematurely, store them in a container to protect them from ethylene gas, which is released by certain produce and accelerates ripening. Onions are highly ...