How Long Food Lasts

Condiments, Sauces & Canned Goods

How long does mustard last?

Quick answer

Mustard (opened) keeps 1 year in the fridge.

Form

Fridge

After opening

1year

Freezer

No known time

-

Pantry

No known time

-

Mine has been in the fridge for

Refreeze after thawing in the fridge?

United States
Yes
United Kingdom
Only after cooking

How long does mustard last in the fridge?

  • Opened1 yearAfter opening

Your fridge should be set between 0 and 5°C.

Refrigerators should be set to maintain a temperature of 40 °F or below.

How long does mustard last in the freezer?

  • Dried, ground1-2 years

Freezer times are for quality; frozen food stays safe.

Your freezer should be around -18°C

A freezer acts as a pause button - food in a freezer won’t go bad and most bacteria cannot grow in it.

Food stored constantly at 0 °F will always be safe. Only the quality suffers with lengthy freezer storage.

Can you freeze mustard?

Yes.

How to defrost mustard safely

  1. In the fridge
  2. In cold water, cook it straight after defrosting
  3. In the microwave, cook it straight after defrosting
  4. Cook it from frozen

You should defrost your food in the fridge so that it doesn’t get too warm

It’s also important to use food within 24 hours after it’s been fully defrosted

There are three safe ways to thaw food: in the refrigerator, in cold water, or in the microwave.

Check the water frequently to be sure it stays cold. Change the water every 30 minutes. After thawing, cook immediately.

It is safe to cook foods from the frozen state. The cooking will take approximately 50% longer than the recommended time for fully thawed or fresh meat and poultry.

Can you refreeze mustard?

  • In the United KingdomOnly after cooking
  • In the United StatesYes

You can freeze food again once cooked, but you’ll only be able to reheat it once after that

Food thawed in the refrigerator can be refrozen without cooking, although there may be some loss of quality.

Foods thawed by the cold water method should be cooked before refreezing.

After cooking raw foods which were previously frozen, it is safe to freeze the cooked foods.

Can mustard be kept out of the fridge?

  • Mustard1-2 years
  • Dried, ground6 months

All forms at a glance

FormFridgeFreezerPantry
Mustard--1-2 years
Opened1 year--
Dried, ground-1-2 years6 months
General guidance---

Frequently asked questions

How long does mustard last in the fridge?

Opened: 1 year.

How long does mustard last in the freezer?

Dried, ground: 1-2 years. Freezer times are for quality; frozen food stays safe.

Can you freeze mustard?

Yes.

Can you refreeze mustard?

In the United Kingdom: Only after cooking; In the United States: Yes.

Sources

We always show the most cautious time among official sources. Last checked: 1 October 2026.