How Long Food Lasts

Polenta

How long does polenta last once opened?

Polenta (shelf-stable, opened) keeps 5-7 days in the fridge.

Fridge

After opening

5-7days

Freezer

Do not freeze

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Pantry

No known time

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Mine has been in the fridge for

How long does polenta last in the fridge?

  • Shelf-stable, opened5-7 daysAfter opening

Your fridge should be set between 0 and 5°C.

Refrigerators should be set to maintain a temperature of 40 °F or below.

Other forms

FormFridgeFreezerPantry
Shelf-stable--use-by date on package
Frozen5 days12 months-

Sources

We always show the most cautious time among official sources. Last checked: 1 October 2026.