How long does whole wheat flour last?
Short answer: Whole wheat flour keeps 2 years in the fridge, 2 years in the freezer and 12 months in the pantry.
Storage chart
| Pantry | Fridge | Freezer |
|---|---|---|
| 12 months | 2 years | 2 years |
Fridge at 40°F (4°C) or colder, freezer at 0°F (−18°C). Freezer times are for best quality; food kept frozen stays safe indefinitely.
Keep it longer
Keep the fridge at 40°F (4°C) or colder and the freezer at 0°F (−18°C). Write the date on containers when you open or cook something.
Common questions
How long does whole wheat flour last in the fridge?
2 years in the refrigerator at 40°F (4°C) or below, according to USDA FoodKeeper data.
Can you freeze whole wheat flour?
Yes. Frozen at 0°F (−18°C), whole wheat flour keeps best quality for 2 years. Frozen food stays safe indefinitely; the time is for taste and texture.
How long does whole wheat flour last at room temperature?
12 months in a cool, dry pantry.
How can I tell if whole wheat flour has gone bad?
Throw it out if you see mold, a slimy texture, an off smell or an odd color. For anything perishable, go by the storage time rather than smell: bacteria that cause food poisoning don't usually change how food looks or smells.
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Source: USDA FoodKeeper data (USDA Food Safety and Inspection Service). Updated 2026-10-13. General information, not medical advice. When in doubt, throw it out.