How Long Does Jam / Jelly (Opened) Last?
Opened commercial jam, jelly, or preserves.
The Short Answer
Jam / Jelly (Opened) lasts 30–90 days in the refrigerator when stored properly at 40°F or below. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: USDA FoodKeeper | Last verified: March 19, 2026 | Our methodology
If you see mold on jam, discard the whole jar. Unlike hard cheese, jam's sugar content and moisture allow mold to spread throughout. Do not scrape it off and keep eating.
How to Store Jam / Jelly (Opened)
Always use a clean spoon. Keep the lid tight. Store in the fridge after opening.
How to Tell if Jam / Jelly (Opened) Has Gone Bad
Look for these signs that jam / jelly (opened) has spoiled: mold on the surface, fermented or alcohol-like smell, changed texture, off taste.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Properly stored jam / jelly (opened) stays safe for 30–90 days in the fridge. Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been.
Frequently Asked Questions
After opening, yes. The high sugar content helps preserve it, but refrigeration prevents mold growth. Unopened jam lasts 1-2 years in the pantry.