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Vegetables
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Vegetables

How long does onions last?

Pungent allium bulb.

Quick answer
Fridge (40°F / 4°C)
2 weeks
Only after cutting
Pantry (room temp)
2 months
Cool dry dark place, mesh bag for airflow
After opening
1 week
Cut onion, sealed container, refrigerated
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Signs onions has gone bad

  • Soft mushy spots
  • Sprouting (still usable)
  • Black mold at neck
  • Strong rancid smell

Storage tips

  • Don't refrigerate whole — they turn mushy
  • Keep away from potatoes
  • Cut onion in sealed container, fridge 7 days
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Disclaimer: Times shown are USDA/FDA-recommended best quality periods, not absolute safety guarantees. Storage conditions, packaging, and food handling all affect actual shelf life. When in doubt, throw it out.