Dill pickles that have been continuously refrigerated will generally stay at best quality for about 1 year. ... The best way is to smell and look at the dill pickles: if the pickles develop an off odor, flavor or appearance, or if mold appears, they should be discarded.

How can you tell if a pickles gone bad?

Once the pickles go bad, the acid in the liquid creates extra pressure, and the jar top swells and turns dome-shaped. This indicator excludes all doubts about food quality. You need to discard the container immediately since these pickles are no longer edible.

How long do dill pickles last after opening?

Once you open the jar, pickles taste best for about 2 to 4 months, possibly more if you're into really sour dill pickles. For pickles that you buy in bulk from a barrel, eat them within a week.