How long does apple butter last after canning?
In this regard, does canned apple butter go bad?
Properly stored, an unopened jar of apple butter will generally stay at best quality for about 2 years. The best way is to smell and look at the apple butter: if the butter develops an off odor, flavor or appearance, or if mold appears, it should be discarded.
Then, how long does apple butter stay good in the refrigerator?
about 1 year
Although apple butter is at low risk for food borne disease if canned improperly, especially when being made at home, the product may grow dangerous microorganisms. If the apple butter is improperly canned, Clostridium botulinum can survive and multiply in the jar.