How Long Does Peanut Butter (Opened) Last?
Peanut Butter (Opened) keeps 3–6 months in the refrigerator, 1 year in the freezer and 3–4 months in the pantry, according to cited USDA/FDA storage references.
- 2 cited USDA/FDA/FSIS sources
- Editorial review · Verified June 2026
- Only storage locations with source-backed entries are shown; a missing freezer or pantry card means FoodLasts does not have a supported value.
- No after-opening tab appears unless the source data has a separate opened value.
Based on USDA/FSIS guidance:
Refrigerate opened condiments such as mayonnaise and salad dressings; cold storage slows spoilage after opening.
Rancid peanut butter smells sharp and unpleasant — discard it.
How to tell if it's gone bad
- Look:Oil separation is normal; mould is not
- Smell:Mouldy or rancid smell
- Texture:Dry hard clumps
When in doubt, throw it out. If Peanut Butter (Opened) smells, looks, or feels off — discard it. Food poisoning is not worth the risk.
Can you freeze Peanut Butter (Opened)?
Yes.Peanut Butter (Opened)keeps 1 yearin the freezer when stored in airtight packaging.
How to store Peanut Butter (Opened)
- Keep Peanut Butter (Opened) protected from heat, moisture, and contamination in the pantry. Use the pantry duration shown above for this food state.
- Keep Peanut Butter (Opened) covered in the refrigerator. Use the refrigerator duration shown above for this food state.
- Package Peanut Butter (Opened) tightly for the freezer and label the stored date. Use the freezer duration shown above for this food state.
Storage tips
Stir natural peanut butter after opening; refrigerate if you prefer firmer texture.
Is it still good?
Enter when you bought or opened it and where it's stored.
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