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How long does maple syrup last?
Updated 2026-05-13 · USDA FoodKeeper & FDA guidelines
Pantry / counter
1 year
Unopened indefinitely; once opened, refrigerate
Refrigerator
2 years
2 years opened
The short answer
Maple Syrup lasts as long as you store it correctly — which can mean anywhere from a few days on the counter to a year in the freezer. The numbers above represent best quality per USDA and FDA guidelines, not absolute safety limits.
Why these numbers vary
Pure or imitation maple syrup. Storage life depends on temperature consistency, humidity, packaging, and how fresh it was when you got it. Refrigerators that swing between 38°F and 45°F shave days off these numbers; vacuum-sealing or freezing extends them.
How to tell if maple syrup is bad
- Mold on top (skim off, boil, refilter — pure maple)
- Off smell
Storage tips
- Pure maple: refrigerate after opening, lasts years
- Imitation (Aunt Jemima): pantry safe
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Frequently asked questions
How long does maple syrup last in the pantry / counter?
Maple Syrup lasts 1 year in the pantry / counter. Unopened indefinitely; once opened, refrigerate
How long does maple syrup last in the refrigerator?
Maple Syrup lasts 2 years in the refrigerator. 2 years opened
How can you tell if maple syrup is bad?
Watch for: Mold on top (skim off, boil, refilter — pure maple); Off smell.