Ohio’s USDA growing zones range from Zone 5b to Zone 7a, depending on where you are in the state. Most of the state falls in Zone 6 which is suitable for a wide range of cool-season and warm-season crops.
Some northern parts of the state influenced by the lake effect from Lake Erie fall in Zone 5b, where you can grow cool-weather crops and perennial vegetables like rhubarb and asparagus.
Ohio Last & First Frost Dates
*Keep in mind that frost can occur before or after these dates. Watch your local weather to determine the best time to plant.
The growing season in Ohio generally lasts about 170 days, with warmer areas in the south having slightly longer seasons than the northern part of the state. Refer to the planting schedules below to determine the best timing for your zone.
Zone 5 Planting Schedule
Zone 6 Planting Schedule
Zone 7 Planting Schedule
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