How long does flour last?

White flour keeps 6-12 months in a dry, cool place, while whole-wheat flour keeps 1-3 months at room temperature, six months in the refrigerator, and up to 12 months in the freezer.

Form	Where	Official window
white flour	pantry	6-12 months
whole-wheat flour	room temperature	1-3 months
whole-wheat flour	refrigerator	six months
whole-wheat flour	freezer	up to 12 months

The official discard rule

These are the official windows; when in doubt, follow the source linked below.

Grounded in: extension.wsu.edu, ohioline.osu.edu. Every window above appears verbatim in the linked sources.

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