Produce
How long does Blueberries last?
Medium confidence
Quality concern
How long does Blueberries last? fridge 1–2 weeks, pantry 1 day, freezer 1 year. Plus spoilage signs, sources, and an unopened-vs-opened note.
Fridge
1–2 weeks
Pantry
1 day
Freezer
1 year
Sealed / unopened: N/A
Signs Blueberries has gone bad
- Mushy or wrinkled berries.
- White fuzzy mold, fermented smell.
- Watery juice in the container.
Discard immediately if
- Mold on soft fruit (berries, peaches) — discard the whole batch, mold spreads invisibly
- Brown leaking liquid
- Alcoholic or fermented 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.