- How long does an unopened jar of strawberry preserves last? The precise answer depends to a large extent on storage conditions -to maximize shelf life, store in a cool, dry area.
How long does an unopened jar of strawberry preserves last at room temperature? Properly stored, an unopened jar of strawberry preserves will generally stay at best quality for about 2 years.
Are unopened strawberry preserves safe to use after the "expiration date" on the jar? Yes, provided they are properly stored and the jar is undamaged - commercially packaged strawberry preserves will typically carry a "Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the strawberry preserves will remain at peak quality.
Storage time shown is for best quality only - after that, the strawberry preserves texture, color or flavor may change, but in most cases, they will still be safe to consume if they been stored properly, the jar is undamaged, and there are no signs of spoilage (see below).
How can you tell if strawberry preserves are bad or spoiled? The best way is to smell and look at the strawberry preserves: if the preserves develop an off odor, flavor or appearance, or if mold appears, they should be discarded.
Sources: For details about data sources used for food storage information, please click here