How Long Does It Keep?
Shelf Stable Foods

"Genuine" Maple syrupunopened, glass

Indefinitely in the fridge and 4 years in the pantry.

Pantry

stored
4 years

Fridge

stored
Indefinitely

Freezer

No USDA guidance

Source: USDA FSIS FoodKeeperHow to read these times

Common questions

How long does "genuine" maple syrup (unopened, glass) last in the fridge?

Indefinitely.

How long does "genuine" maple syrup (unopened, glass) last in the pantry?

4 years.

How can I tell if "genuine" maple syrup (unopened, glass) has gone bad?

Throw it out if it smells off, feels slimy or sticky, shows mold, or has changed color. Storage times assume it was handled safely and kept cold the whole time.