How Long Food Lasts

Shelf Stable Foods

How long do peanuts last?

Quick answer

Peanuts (shell) keep 12 months in the refrigerator and 24 months in the freezer.

  • Shell 12 months in the refrigerator · 24 months in the freezer
  • No shell 12 months in the refrigerator · 24 months in the freezer
  • Boiled, shelled, opened 7 days in the refrigerator
Form

Fridge

From purchase

12months

Freezer

Can be frozen: yes

24months

Pantry

4months

Mine has been in the fridge for

Refreeze after thawing in the fridge?

United States
Yes
United Kingdom
Only after cooking

How long do peanuts last in the refrigerator?

  • Shell12 monthsFrom purchase
  • No shell12 monthsFrom purchase
  • Boiled, shelled, opened7 daysAfter opening
  • Roasted peanuts, opened4 weeksAfter opening

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 peanuts last in the freezer?

  • Shell24 months
  • No shell24 months
  • Boiled, shelledindefinitely

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 peanuts?

Yes.

How to thaw peanuts 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 peanuts?

  • 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 peanuts be stored at room temperature?

  • Shell4 months
  • No shell4 weeks
  • Boiled, shelled3 years
  • Roasted peanutsuse-by date on package
  • Roasted peanuts, opened1-2 weeks

All forms at a glance

FormFridgeFreezerPantry
Shell12 months24 months4 months
No shell12 months24 months4 weeks
Boiled, shelled-indefinitely3 years
Boiled, shelled, opened7 days--
Roasted peanuts--use-by date on package
Roasted peanuts, opened4 weeks-1-2 weeks

Frequently asked questions

How long do peanuts last in the refrigerator?

Shell: 12 months; No shell: 12 months; Boiled, shelled, opened: 7 days; Roasted peanuts, opened: 4 weeks.

How long do peanuts last in the freezer?

Shell: 24 months; No shell: 24 months; Boiled, shelled: indefinitely. Freezer times are for quality; frozen food stays safe.

Can you freeze peanuts?

Yes.

Can you refreeze peanuts?

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.