Produce
How long do onions last in the pantry?
Whole onions keep 1 month in a dark, dry pantry and 2 months if you give them fridge space — either way, keep them away from the potatoes.
How long does it keep?
| Pantry, from purchase | 1 month |
|---|---|
| Fridge, from purchase | 2 months |
| Freezer, from purchase | 10–12 months |
Can you freeze onions? FREEZES, BUT… →
Can it sit out?
Onions is shelf-stable, so sitting out at room temperature isn’t the safety question — storage time is.
How to tell if onions has gone bad
- Soft or squelchy spots under the papery skin
- Black powdery mold between the layers
- Wet, translucent inner rings
- A sharp rotten smell rising off the bin
When in doubt, throw it out.
Onions and potatoes stored together age each other — the onion gives off moisture and gas that sprouts the potatoes early.
Quick answers
How long do onions last in the pantry?
Whole onions keep 1 month in a dark, dry pantry and 2 months if you give them fridge space — either way, keep them away from the potatoes.
Can you freeze onions?
Chopped onions keep 10–12 months and go into the pan straight from the bag — but the raw crunch is gone for good.
How long can onions sit out?
Sitting out at room temperature isn’t the safety question for onions — storage time is.