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How long does mustard last in the fridge?
Mustard is very acidic and keeps for many months.
in the fridge
about 1 year
Opened mustard keeps up to a year chilled.
Mustard storage times compared
| Storage | Keeps for | |
|---|---|---|
| ❄️ Fridge | about 1 year |
Times assume a fridge at or below 4°C / 40°F and a freezer at -18°C / 0°F.
How to tell if mustard has gone bad
- Dried-out, crusty texture
- Off smell
- Darkening color
Storage tips
- Refrigerate to keep the flavor sharp.
- A little liquid separation is normal — just stir.
Frequently asked questions
- Does mustard go bad?
- Rarely unsafe due to acidity, but flavor fades after about a year.