How Long Food Lasts

Shelf Stable Foods

How long do pistachios last?

Quick answer

Pistachios keep 12 months in the refrigerator and 24 months in the freezer.

Fridge

From purchase

12months

Freezer

Can be frozen: yes

24months

Pantry

3weeks

Mine has been in the fridge for

Refreeze after thawing in the fridge?

United States
Yes
United Kingdom
Only after cooking

How long do pistachios last in the refrigerator?

  • Shell or no shell12 monthsFrom purchase

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

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

How long do pistachios last in the freezer?

  • Shell or no shell24 months

Freezer times are for quality; frozen food stays safe.

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

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.

Can you freeze pistachios?

Yes.

How to thaw pistachios safely

  1. In the refrigerator
  2. In cold water, cook it right after thawing
  3. In the microwave, cook it right after thawing
  4. Cook it from frozen

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.

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

Can you refreeze pistachios?

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

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.

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

Can pistachios be stored at room temperature?

  • Shell or no shell3 weeks

Frequently asked questions

How long do pistachios last in the refrigerator?

Shell or no shell: 12 months.

How long do pistachios last in the freezer?

Shell or no shell: 24 months. Freezer times are for quality; frozen food stays safe.

Can you freeze pistachios?

Yes.

Can you refreeze pistachios?

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

Sources

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