How long does Half & Half last?
How long does Half & Half last? fridge 7–10 days, freezer 3 months. Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: Check date
Signs Half & Half has gone bad
- Sour smell, off-yellow color.
- Lumpy or curdled when poured, watery separation.
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 Half & Half last?
In the fridge: 7–10 days. In the freezer: 3 months. Sealed / unopened: Check date. Same rules as cream. Smell it before you pour — your nose knows.
How can you tell if Half & Half has gone bad?
Signs that Half & Half has gone bad: Sour smell, off-yellow color; Lumpy or curdled when poured, watery separation.
What does the date label on Half & Half mean?
Half & Half 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.