How long does whole wheat flour keep in the freezer?

Official USDA FoodKeeper guidance for one exact storage condition

FreezerGeneral storage guidance

2 years

This freezer duration is the USDA's best-quality guidance, not a safety cutoff.

Freezer at 0 °F (−18 °C)

Answer basis

Food: Whole wheat flour
Preparation or package state: No additional state listed
Storage: Freezer
Timing: General storage guidance
Source field: Freeze

Source: USDA FSIS FoodKeeper Data, data version 128.

See every listed condition for whole wheat flour