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How long does jam last in the fridge?
High sugar makes jam last for months after opening.
in the fridge
6–12 months
Sugar preserves it for many months chilled.
Jam storage times compared
| Storage | Keeps for | |
|---|---|---|
| ❄️ Fridge | 6–12 months |
Times assume a fridge at or below 4°C / 40°F and a freezer at -18°C / 0°F.
How to tell if jam has gone bad
- Mold on the surface
- Fermented, alcohol smell
- Darkening
Storage tips
- Use a clean spoon to avoid introducing mold.
- Refrigerate after opening even if the label allows pantry storage.
Frequently asked questions
- Can you eat jam with mold on top?
- No — discard the whole jar, as mold roots run deeper than they look.