Whole dry onions keep 2-4 weeks in a cool, dry, ventilated spot away from sunlight. Green onions belong in the fridge for 3-5 days. Raw onions don't freeze well.
Storage times from USDA, FoodSafety.gov, FDA and university extension services. Checked .
Should onions go in the fridge?
Refrigeration is not recommended for this food.
Can you freeze onions?
raw onions do not freeze well for raw use
- Raw onions lose crunch when frozen.
- Frozen chopped onion is usable only in cooked dishes.
How long can onions sit out?
About 4 weeks at room temperature. Whole dry onions: 2-4 weeks in a cool, dry, ventilated spot away from sun, in a mesh bag.
How to tell if onions has gone bad
- Soft or mushy spots
- Mold (black or gray powder)
- Sprouting or strong rotten smell
Bacteria that cause food poisoning don't always change the look or smell of food, so go by the storage times above. When in doubt, throw it out.
Questions people ask
How long does a cut onion last in the fridge?
Wrap or container it and refrigerate; use it within a few days.
Should onions be stored with potatoes?
Store both in cool, dark, dry places; many cooks keep them apart to slow spoilage.