How long does flour last?
White flour keeps 6-12 months in a dry, cool place, while whole-wheat flour keeps only 1-3 months at room temperature.
| Form | Where | Official window |
|---|---|---|
| white flour | pantry | 6-12 months |
| whole-wheat flour | room temperature | 1-3 months |
| all-purpose and bread flour | refrigerator | up to two years |
| all-purpose and bread flour | refrigerator | indefinitely |
| whole wheat flour and cornmeal | refrigerator | indefinitely |
The official discard rule
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These are the official windows; when in doubt follow the source linked below.
Grounded in: extension.psu.edu, extension.wsu.edu, ohioline.osu.edu. Every window above appears
verbatim in the linked sources.
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