How long does Sour Cream last?
How long does Sour Cream last? fridge 2–3 weeks. Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: Check date
Signs Sour Cream has gone bad
- Pink or green mold.
- Watery separation that won't restir, yellow surface.
- Sharp off smell beyond tangy.
Discard immediately if
- Visible mold on the lid or rim
- Smells distinctly sour even without warming
- Texture has separated into solids and liquid that won’t mix back
Why guidance varies
Dairy spoilage depends on initial pasteurization, fridge temperature, and how often the container is opened; manufacturer-printed dates assume continuous storage at 40°F (4°C) or below.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Sour Cream last?
In the fridge: 2–3 weeks. Sealed / unopened: Check date. Don't freeze — texture becomes grainy. Watch for yellow tint or sour smell beyond tangy.
How can you tell if Sour Cream has gone bad?
Signs that Sour Cream has gone bad: Pink or green mold; Watery separation that won't restir, yellow surface; Sharp off smell beyond tangy.
What does the date label on Sour Cream mean?
Sour Cream usually carries a "Use By" date. The last date the manufacturer recommends for peak quality — for most foods this is still quality-based, not a safety cutoff (infant formula is the one exception). See our date-labels guide for the full breakdown.
Sources for this answer
- A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
- A USDA FSIS — Food Product Dating — Date-label interpretation and food-safety baseline.