How Long Do Pecans Last? Pantry Guide. For in-shell pecans, they retain quality for about four months ( GPF) to a year ( AP) at room temperature, a year and a half in the fridge, or two to four years in the freezer ( GPF ). That’s for optimal quality, at least. As you can see, there are some discrepancies in periods.

Pecans will last for about 9-12 months if they are stored properly. This means keeping them in a cool, dry place, such as the pantry or cupboard. If you store them in the.