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How long does sour cream last?
Updated 2026-05-13 · USDA FoodKeeper & FDA guidelines
Refrigerator
2 weeks
Sealed past sell-by date
After opening
2 weeks
After opening
The short answer
Sour Cream lasts as long as you store it correctly — which can mean anywhere from a few days on the counter to a year in the freezer. The numbers above represent best quality per USDA and FDA guidelines, not absolute safety limits.
Why these numbers vary
Cultured cream. Storage life depends on temperature consistency, humidity, packaging, and how fresh it was when you got it. Refrigerators that swing between 38°F and 45°F shave days off these numbers; vacuum-sealing or freezing extends them.
How to tell if sour cream is bad
- Watery separation (just stir — fine)
- Mold (toss whole container)
- Strong sour-bitter smell
- Yellow tint
Storage tips
- Lasts 1-3 weeks past 'best by'
- Mold on top = throw whole thing
- Don't freeze — texture ruined
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Frequently asked questions
How long does sour cream last in the refrigerator?
Sour Cream lasts 2 weeks in the refrigerator. Sealed past sell-by date
How long does sour cream last in the after opening?
Sour Cream lasts 2 weeks in the after opening. After opening
How can you tell if sour cream is bad?
Watch for: Watery separation (just stir — fine); Mold (toss whole container); Strong sour-bitter smell.