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Winter wheat planting and harvest dates

Winter wheat Planting Dates in Montana

Usual winter wheat planting and harvest periods in Montana, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.

Winter wheat dates in Montana
ActivityWindowSourceLast verified
PlantingSep 6 to Oct 16 usual (most active Sep 12 to Oct 7)source2026-11-11
HarvestJul 22 to Aug 17 usual (most active Jul 26 to Aug 12)source2026-11-11
Winter wheat calendar for Montana
ItemJanFebMarAprMayJunJulAugSepOctNovDec
PlantingPlanting window, most active in SeptemberPlanting window, most active in October
HarvestHarvest window, most active in JulyHarvest window, most active in August

What these dates mean in Montana

Planting usually runs about 41 days, from Sep 6 to Oct 16.

That start date is about 11 days earlier than the middle of the 42 places in this data set that report winter wheat planting dates (Sep 17).

Harvest usually runs about 27 days, from Jul 22 to Aug 17.

From the start of the planting window to the start of the harvest window is about 319 days in Montana, a rough guide to how long the crop occupies the bed or field.

Frost-date caveat: these are published ranges for Montana. A northern or high-elevation site will run later than a southern or low one, and a cold wet spring can push planting past the window. Frost dates and local conditions vary; NASS state-level usual dates from 20-year progress data (Oct 2010 edition), begin ~5% and end ~95% complete. Check your last spring frost and soil temperature, and confirm with your county extension office.

Related guides

Winter wheat dates in other places

Other crops in Montana

Last reviewed: November 2026. Source: USDA NASS, Field Crops Usual Planting and Harvesting Dates (October 2010 edition, copy hosted by Cornell University Mann Library). Dates are the usual start and end of the period when about 5% to 95% of the crop is planted or harvested, from long-run state progress data. They are historic averages, not a forecast.