Ohio Planting Calendar
Frost dates, growing zones, and planting dates for Ohio gardeners.
Zone 5b
Zone 6a
Zone 6b
The Short Answer
Ohio spans USDA zones 5b through 6b, which means planting dates vary significantly across the state. Northern Ohio has an average last frost around May 1 - May 15, while Southern Ohio sees its last frost around Apr 15 - Apr 30. Use our homepage tool with your zip code for dates specific to your exact location.
Ohio Frost Dates by Region
Four distinct seasons. Lake Erie effect in northeast creates microclimates. Adequate rainfall. Good growing conditions.
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Ohio | 5b, 6a | May 1 - May 15 | Oct 1 - Oct 15 |
| Central Ohio | 6a, 6b | Apr 20 - May 5 | Oct 10 - Oct 25 |
| Southern Ohio | 6b | Apr 15 - Apr 30 | Oct 15 - Oct 30 |
Soil & Growing Conditions
Heavy clay in most of state. Raised beds recommended for drainage. Lime may be needed to raise pH.
What to Plant in Ohio
Ohio's four-season climate supports nearly everything in the garden. Your balanced growing conditions are the envy of both hotter and colder states. Here are the best performers:
Warm-Season Stars
Cool-Season & Year-Round
Flowers, Herbs & More
Browse all 100 plants — or enter your zip code for personalized planting dates.
Neighboring States
Gardeners near state borders may find useful information in neighboring state guides:
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
Last reviewed: March 29, 2026