Theoretically canned food should be good as long as the seal is intact. It may lose color, vitamins, taste and consistency though after a few years. But if you want to eat a faded mushy tasteless low-nutrition jar, it won't kill you. Just make sure of the seal.
When in doubt-throw it out!
Jelly has lots of sugar which acts as a preservative. It will keep a long time too.
When in doubt-throw it out!
Jelly has lots of sugar which acts as a preservative. It will keep a long time too.