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Crop Planting Dates in Ohio

Published planting and harvest windows for 5 crops in Ohio, in one calendar. Ranges only, with sources.

Windows in Ohio
CropPlantingHarvest
Alfalfa hayMay 17 to Sep 24
CornPlanting: Apr 18 to May 30Sep 27 to Dec 1
SoybeansPlanting: Apr 26 to Jun 10Sep 23 to Nov 12
Spring oatsPlanting: Apr 4 to May 13Jul 13 to Aug 11
Winter wheatPlanting: Sep 26 to Nov 6Jun 28 to Jul 20

Calendar view

Planting calendar for Ohio
ItemJanFebMarAprMayJunJulAugSepOctNovDec
Alfalfa hay harvestHarvest window, most active in MayHarvest window, most active in JuneHarvest window, most active in JulyHarvest window, most active in AugustHarvest window, most active in September
Corn plantingPlanting window, most active in AprilPlanting window, most active in May
Corn harvestHarvest window in SeptemberHarvest window, most active in OctoberHarvest window, most active in NovemberHarvest window in December
Soybeans plantingPlanting window in AprilPlanting window, most active in MayPlanting window in June
Soybeans harvestHarvest window, most active in SeptemberHarvest window, most active in OctoberHarvest window in November
Spring oats plantingPlanting window, most active in AprilPlanting window, most active in May
Spring oats harvestHarvest window, most active in JulyHarvest window, most active in August
Winter wheat plantingPlanting window in SeptemberPlanting window, most active in OctoberPlanting window in November
Winter wheat harvestHarvest window in JuneHarvest window, most active in July
Frost-date caveat: published dates are averages. Find your own last and first frost dates and compare them with these ranges before you plant.

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.