How can you tell if Onions (whole) has gone bad?

Signs that Onions (whole) has gone bad: Soft spots; Dark patches on the skin; Sprouting (use immediately); Strong sulfurous or rotten smell, mushy bottom.

What does the date label on Onions (whole) mean?

Onions (whole) usually doesn't carry a printed date label — judge by storage time and the spoilage signs above.

Produce

How long does Onions (whole) last?

Q: How long does Onions (whole) last?

In the fridge: 2 months. In the pantry: 1–2 months. In the freezer: 1 year (chopped). Sealed / unopened: N/A. Store whole onions in a cool, dry, ventilated spot — not the fridge. Once cut, refrigerate in a sealed bag.

Medium confidence Quality concern

How long does Onions (whole) last? fridge 2 months, pantry 1–2 months, freezer 1 year (chopped). Plus spoilage signs, sources, and an unopened-vs-opened note.

Fridge

2 months

Pantry

1–2 months

Freezer

1 year (chopped)

Sealed / unopened: N/A

Signs Onions (whole) has gone bad

Soft spots.
Dark patches on the skin.
Sprouting (use immediately).
Strong sulfurous or rotten smell, mushy bottom.

Discard immediately if

Any green tint on potatoes (solanine — toxic)
Soft, leaking, or moldy
Strong off smell

Why guidance varies

Fresh produce ripening depends on ethylene-gas exposure, storage temperature, humidity, and time since harvest — duration estimates assume typical home conditions, not optimal commercial storage.

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Sources for this answer

A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.

Reviewed: 2026-05 · Rule: if manufacturer storage instructions are stricter than category guidance, the manufacturer instructions win.