USDA hardiness zones in Ohio
| Zone | Avg. extreme minimum | ZIP codes | Example cities |
|---|---|---|---|
| Zone 6a | −10 to −5°F | 517 | Youngstown, Springfield, Newark, Mansfield |
| Zone 6b | −5 to 0°F | 638 | Columbus, Cincinnati, Toledo, Akron |
| Zone 7a | 0 to 5°F | 46 | Cleveland, Lakewood, Euclid, Mentor |
Growing zone and frost dates by city
| City | Zone | Frost dates |
|---|---|---|
| Columbus | 6b (−5 to 0°F) | Columbus frost dates |
| Cleveland | 7a (0 to 5°F) | Cleveland frost dates |
| Cincinnati | 6b (−5 to 0°F) | Cincinnati frost dates |
| Toledo | 6b (−5 to 0°F) | Toledo frost dates |
| Akron | 6b (−5 to 0°F) | Akron frost dates |
| Dayton | 6b (−5 to 0°F) | Dayton frost dates |
| Parma | 6b (−5 to 0°F) | Parma frost dates |
| Canton | 6b (−5 to 0°F) | Canton frost dates |
| Lorain | 6b (−5 to 0°F) | Lorain frost dates |
| Hamilton | 6b (−5 to 0°F) | Hamilton frost dates |
| Youngstown | 6a (−10 to −5°F) | Youngstown frost dates |
| Springfield | 6a (−10 to −5°F) | Springfield frost dates |
| Kettering | 6b (−5 to 0°F) | Kettering frost dates |
| Elyria | 6b (−5 to 0°F) | Elyria frost dates |
| Middletown | 6b (−5 to 0°F) | Middletown frost dates |
| Newark | 6a (−10 to −5°F) | Newark frost dates |
| Cuyahoga Falls | 6b (−5 to 0°F) | Cuyahoga Falls frost dates |
| Dublin | 6b (−5 to 0°F) | Dublin frost dates |
| Lakewood | 7a (0 to 5°F) | Lakewood frost dates |
| Beavercreek | 6b (−5 to 0°F) | Beavercreek frost dates |
| Euclid | 7a (0 to 5°F) | Euclid frost dates |
| Mansfield | 6a (−10 to −5°F) | Mansfield frost dates |
| Mentor | 7a (0 to 5°F) | Mentor frost dates |
| Delaware | 6b (−5 to 0°F) | Delaware frost dates |
| Strongsville | 6b (−5 to 0°F) | Strongsville frost dates |
| Grove City | 6b (−5 to 0°F) | Grove City frost dates |
| Fairfield | 6b (−5 to 0°F) | Fairfield frost dates |
| Huber Heights | 6b (−5 to 0°F) | Huber Heights frost dates |
| Cleveland Heights | 6b (−5 to 0°F) | Cleveland Heights frost dates |
| Reynoldsburg | 6b (−5 to 0°F) | Reynoldsburg frost dates |
| Lancaster | 6a (−10 to −5°F) | Lancaster frost dates |
| Findlay | 6b (−5 to 0°F) | Findlay frost dates |
| Hilliard | 6b (−5 to 0°F) | Hilliard frost dates |
| Warren | 6a (−10 to −5°F) | Warren frost dates |
| Westerville | 6b (−5 to 0°F) | Westerville frost dates |
| North Ridgeville | 6b (−5 to 0°F) | North Ridgeville frost dates |
| Gahanna | 6b (−5 to 0°F) | Gahanna frost dates |
| Upper Arlington | 6b (−5 to 0°F) | Upper Arlington frost dates |
| Mason | 6b (−5 to 0°F) | Mason frost dates |
| Fairborn | 6b (−5 to 0°F) | Fairborn frost dates |
| Marion | 6a (−10 to −5°F) | Marion frost dates |
| Brunswick | 6b (−5 to 0°F) | Brunswick frost dates |
| Lima | 6a (−10 to −5°F) | Lima frost dates |
| Stow | 6b (−5 to 0°F) | Stow frost dates |
| Westlake | 7a (0 to 5°F) | Westlake frost dates |
| Massillon | 6b (−5 to 0°F) | Massillon frost dates |
| North Olmsted | 6b (−5 to 0°F) | North Olmsted frost dates |
| Bowling Green | 6b (−5 to 0°F) | Bowling Green frost dates |
| North Royalton | 6b (−5 to 0°F) | North Royalton frost dates |
| Marysville | 6a (−10 to −5°F) | Marysville frost dates |
| Garfield Heights | 6b (−5 to 0°F) | Garfield Heights frost dates |
| Shaker Heights | 6b (−5 to 0°F) | Shaker Heights frost dates |
| Kent | 6a (−10 to −5°F) | Kent frost dates |
| Green | 6b (−5 to 0°F) | Green frost dates |
| Troy | 6a (−10 to −5°F) | Troy frost dates |
| Wooster | 6a (−10 to −5°F) | Wooster frost dates |
| Avon Lake | 7a (0 to 5°F) | Avon Lake frost dates |
| Xenia | 6b (−5 to 0°F) | Xenia frost dates |
| Pickerington | 6b (−5 to 0°F) | Pickerington frost dates |
| Medina | 6a (−10 to −5°F) | Medina frost dates |
| Avon | 6b (−5 to 0°F) | Avon frost dates |
| Perrysburg | 6b (−5 to 0°F) | Perrysburg frost dates |
| Athens | 6b (−5 to 0°F) | Athens frost dates |
| Centerville | 6b (−5 to 0°F) | Centerville frost dates |
| Zanesville | 6b (−5 to 0°F) | Zanesville frost dates |
| Barberton | 6b (−5 to 0°F) | Barberton frost dates |
| Wadsworth | 6b (−5 to 0°F) | Wadsworth frost dates |
| Riverside | 6b (−5 to 0°F) | Riverside frost dates |
| Willoughby | 7a (0 to 5°F) | Willoughby frost dates |
| Sandusky | 6b (−5 to 0°F) | Sandusky frost dates |
| Solon | 6a (−10 to −5°F) | Solon frost dates |
| Trotwood | 6b (−5 to 0°F) | Trotwood frost dates |
| Hudson | 6b (−5 to 0°F) | Hudson frost dates |
| Maple Heights | 6b (−5 to 0°F) | Maple Heights frost dates |
| Oxford | 6a (−10 to −5°F) | Oxford frost dates |
| Lebanon | 6b (−5 to 0°F) | Lebanon frost dates |
| Chillicothe | 6b (−5 to 0°F) | Chillicothe frost dates |
| Alliance | 6a (−10 to −5°F) | Alliance frost dates |
| Rocky River | 7a (0 to 5°F) | Rocky River frost dates |
| South Euclid | 6b (−5 to 0°F) | South Euclid frost dates |
| Piqua | 6a (−10 to −5°F) | Piqua frost dates |
| Painesville | 7a (0 to 5°F) | Painesville frost dates |
| Miamisburg | 6b (−5 to 0°F) | Miamisburg frost dates |
| Parma Heights | 6b (−5 to 0°F) | Parma Heights frost dates |
| Sidney | 6a (−10 to −5°F) | Sidney frost dates |
| Forest Park | 6b (−5 to 0°F) | Forest Park frost dates |
| Whitehall | 6b (−5 to 0°F) | Whitehall frost dates |
| Broadview Heights | 6a (−10 to −5°F) | Broadview Heights frost dates |
| Oregon | 6b (−5 to 0°F) | Oregon frost dates |
| Mayfield Heights | 6a (−10 to −5°F) | Mayfield Heights frost dates |
| Norwood | 6b (−5 to 0°F) | Norwood frost dates |
| Springboro | 6b (−5 to 0°F) | Springboro frost dates |
| Twinsburg | 6a (−10 to −5°F) | Twinsburg frost dates |
| Sylvania | 6b (−5 to 0°F) | Sylvania frost dates |
| Ashland | 6a (−10 to −5°F) | Ashland frost dates |
| Pataskala | 6a (−10 to −5°F) | Pataskala frost dates |
| Tallmadge | 6b (−5 to 0°F) | Tallmadge frost dates |
| Powell | 6b (−5 to 0°F) | Powell frost dates |
| Brook Park | 6b (−5 to 0°F) | Brook Park frost dates |
| Niles | 6a (−10 to −5°F) | Niles frost dates |
| Aurora | 6a (−10 to −5°F) | Aurora frost dates |
| Steubenville | 6b (−5 to 0°F) | Steubenville frost dates |
| Berea | 6b (−5 to 0°F) | Berea frost dates |
| Tiffin | 6a (−10 to −5°F) | Tiffin frost dates |
| Streetsboro | 6a (−10 to −5°F) | Streetsboro frost dates |
| North Canton | 6b (−5 to 0°F) | North Canton frost dates |
| Ashtabula | 6b (−5 to 0°F) | Ashtabula frost dates |
| New Philadelphia | 6b (−5 to 0°F) | New Philadelphia frost dates |
| Eastlake | 7a (0 to 5°F) | Eastlake frost dates |
| Mount Vernon | 6a (−10 to −5°F) | Mount Vernon frost dates |
| Portsmouth | 7a (0 to 5°F) | Portsmouth frost dates |
| Norwalk | 6a (−10 to −5°F) | Norwalk frost dates |
| Defiance | 6a (−10 to −5°F) | Defiance frost dates |
| Fairview Park | 7a (0 to 5°F) | Fairview Park frost dates |
| Monroe | 6b (−5 to 0°F) | Monroe frost dates |
| Bay Village | 7a (0 to 5°F) | Bay Village frost dates |
| Fremont | 6b (−5 to 0°F) | Fremont frost dates |
| Middleburg Heights | 6b (−5 to 0°F) | Middleburg Heights frost dates |
| Vandalia | 6b (−5 to 0°F) | Vandalia frost dates |
| Circleville | 6b (−5 to 0°F) | Circleville frost dates |
| Worthington | 6b (−5 to 0°F) | Worthington frost dates |
| Washington Court House | 6b (−5 to 0°F) | Washington Court House frost dates |
| Trenton | 6b (−5 to 0°F) | Trenton frost dates |
| Willowick | 7a (0 to 5°F) | Willowick frost dates |
| Bellefontaine | 6a (−10 to −5°F) | Bellefontaine frost dates |
| Sharonville | 6b (−5 to 0°F) | Sharonville frost dates |
| New Franklin | 6b (−5 to 0°F) | New Franklin frost dates |
| Brecksville | 6b (−5 to 0°F) | Brecksville frost dates |
| Harrison | 6b (−5 to 0°F) | Harrison frost dates |
| Blue Ash | 6b (−5 to 0°F) | Blue Ash frost dates |
| Beachwood | 6b (−5 to 0°F) | Beachwood frost dates |
| Lyndhurst | 6a (−10 to −5°F) | Lyndhurst frost dates |
| Maumee | 6b (−5 to 0°F) | Maumee frost dates |
| Clayton | 6a (−10 to −5°F) | Clayton frost dates |
| Warrensville Heights | 6b (−5 to 0°F) | Warrensville Heights frost dates |
| Englewood | 6a (−10 to −5°F) | Englewood frost dates |
| Loveland | 6b (−5 to 0°F) | Loveland frost dates |
| East Cleveland | 6b (−5 to 0°F) | East Cleveland frost dates |
| University Heights | 6b (−5 to 0°F) | University Heights frost dates |
| Marietta | 6b (−5 to 0°F) | Marietta frost dates |
| Amherst | 6b (−5 to 0°F) | Amherst frost dates |
| West Carrollton | 6b (−5 to 0°F) | West Carrollton frost dates |
| Dover | 6b (−5 to 0°F) | Dover frost dates |
| Fostoria | 6b (−5 to 0°F) | Fostoria frost dates |
| Wilmington | 6b (−5 to 0°F) | Wilmington frost dates |
| Bedford | 6b (−5 to 0°F) | Bedford frost dates |
| Greenville | 6a (−10 to −5°F) | Greenville frost dates |
| Wickliffe | 6b (−5 to 0°F) | Wickliffe frost dates |
| Bexley | 6b (−5 to 0°F) | Bexley frost dates |
| Conneaut | 6b (−5 to 0°F) | Conneaut frost dates |
| Macedonia | 6b (−5 to 0°F) | Macedonia frost dates |
| New Albany | 6a (−10 to −5°F) | New Albany frost dates |
| Salem | 6a (−10 to −5°F) | Salem frost dates |
| Franklin | 6b (−5 to 0°F) | Franklin frost dates |
| Bucyrus | 6a (−10 to −5°F) | Bucyrus frost dates |
| Norton | 6b (−5 to 0°F) | Norton frost dates |
| Seven Hills | 6b (−5 to 0°F) | Seven Hills frost dates |
| Van Wert | 6a (−10 to −5°F) | Van Wert frost dates |
| Coshocton | 6b (−5 to 0°F) | Coshocton frost dates |
| Urbana | 6a (−10 to −5°F) | Urbana frost dates |
| Ravenna | 6a (−10 to −5°F) | Ravenna frost dates |
| Springdale | 6b (−5 to 0°F) | Springdale frost dates |
| Brooklyn | 6b (−5 to 0°F) | Brooklyn frost dates |
| Celina | 6a (−10 to −5°F) | Celina frost dates |
| Montgomery | 6b (−5 to 0°F) | Montgomery frost dates |
| Heath | 6a (−10 to −5°F) | Heath frost dates |
| London | 6a (−10 to −5°F) | London frost dates |
| Vermilion | 6b (−5 to 0°F) | Vermilion frost dates |
| Bedford Heights | 6b (−5 to 0°F) | Bedford Heights frost dates |
| Tipp City | 6a (−10 to −5°F) | Tipp City frost dates |
| Reading | 6b (−5 to 0°F) | Reading frost dates |
| Richmond Heights | 7a (0 to 5°F) | Richmond Heights frost dates |
| Galion | 6a (−10 to −5°F) | Galion frost dates |
| Ironton | 7a (0 to 5°F) | Ironton frost dates |
| Canal Winchester | 6b (−5 to 0°F) | Canal Winchester frost dates |
| Cambridge | 6b (−5 to 0°F) | Cambridge frost dates |
| Willoughby Hills | 6b (−5 to 0°F) | Willoughby Hills frost dates |
| Louisville | 6b (−5 to 0°F) | Louisville frost dates |
| Struthers | 6a (−10 to −5°F) | Struthers frost dates |
| Wapakoneta | 6a (−10 to −5°F) | Wapakoneta frost dates |
| Madeira | 6b (−5 to 0°F) | Madeira frost dates |
| East Liverpool | 6b (−5 to 0°F) | East Liverpool frost dates |
| North College Hill | 6b (−5 to 0°F) | North College Hill frost dates |
| Oakwood | 6b (−5 to 0°F) | Oakwood frost dates |
| Girard | 6a (−10 to −5°F) | Girard frost dates |
| Shelby | 6a (−10 to −5°F) | Shelby frost dates |
| Grandview Heights | 6b (−5 to 0°F) | Grandview Heights frost dates |
| Sheffield Lake | 7a (0 to 5°F) | Sheffield Lake frost dates |
| Sunbury | 6a (−10 to −5°F) | Sunbury frost dates |
| Wyoming | 6b (−5 to 0°F) | Wyoming frost dates |
| Napoleon | 6a (−10 to −5°F) | Napoleon frost dates |
| Olmsted Falls | 6b (−5 to 0°F) | Olmsted Falls frost dates |
| Cheviot | 6b (−5 to 0°F) | Cheviot frost dates |
| Oberlin | 6b (−5 to 0°F) | Oberlin frost dates |
| Bryan | 6a (−10 to −5°F) | Bryan frost dates |
| Highland Heights | 6b (−5 to 0°F) | Highland Heights frost dates |
| Orrville | 6a (−10 to −5°F) | Orrville frost dates |
| St. Marys | 6a (−10 to −5°F) | St. Marys frost dates |
| Eaton | 6a (−10 to −5°F) | Eaton frost dates |
| Bellevue | 6a (−10 to −5°F) | Bellevue frost dates |
| Fairlawn | 6b (−5 to 0°F) | Fairlawn frost dates |
| Kenton | 6a (−10 to −5°F) | Kenton frost dates |
| Campbell | 6a (−10 to −5°F) | Campbell frost dates |
| Canfield | 6a (−10 to −5°F) | Canfield frost dates |
| Bellbrook | 6b (−5 to 0°F) | Bellbrook frost dates |
| Hubbard | 6a (−10 to −5°F) | Hubbard frost dates |
| Independence | 6b (−5 to 0°F) | Independence frost dates |
| Wauseon | 6a (−10 to −5°F) | Wauseon frost dates |
| Obetz | 6b (−5 to 0°F) | Obetz frost dates |
| Union | 6a (−10 to −5°F) | Union frost dates |
| Logan | 6b (−5 to 0°F) | Logan frost dates |
| Mentor-on-the-Lake | 7a (0 to 5°F) | Mentor-on-the-Lake frost dates |
| Delphos | 6a (−10 to −5°F) | Delphos frost dates |
| Cortland | 6a (−10 to −5°F) | Cortland frost dates |
| South Lebanon | 6b (−5 to 0°F) | South Lebanon frost dates |
| Kirtland | 6b (−5 to 0°F) | Kirtland frost dates |
| Mount Healthy | 6b (−5 to 0°F) | Mount Healthy frost dates |
| Pepper Pike | 6a (−10 to −5°F) | Pepper Pike frost dates |
| Hillsboro | 6b (−5 to 0°F) | Hillsboro frost dates |
| Columbiana | 6a (−10 to −5°F) | Columbiana frost dates |
| Ontario | 6a (−10 to −5°F) | Ontario frost dates |
| Upper Sandusky | 6a (−10 to −5°F) | Upper Sandusky frost dates |
| Belpre | 6b (−5 to 0°F) | Belpre frost dates |
| Moraine | 6b (−5 to 0°F) | Moraine frost dates |
| Huron | 6b (−5 to 0°F) | Huron frost dates |
| Milford | 6b (−5 to 0°F) | Milford frost dates |
| Rossford | 6b (−5 to 0°F) | Rossford frost dates |
| Clyde | 6b (−5 to 0°F) | Clyde frost dates |
| Granville | 6a (−10 to −5°F) | Granville frost dates |
| Jackson | 6b (−5 to 0°F) | Jackson frost dates |
| Willard | 6a (−10 to −5°F) | Willard frost dates |
| Rittman | 6a (−10 to −5°F) | Rittman frost dates |
| The Village of Indian Hill | 6b (−5 to 0°F) | The Village of Indian Hill frost dates |
| Martins Ferry | 6b (−5 to 0°F) | Martins Ferry frost dates |
| Waterville | 6b (−5 to 0°F) | Waterville frost dates |
| Brookville | 6a (−10 to −5°F) | Brookville frost dates |
| Germantown | 6b (−5 to 0°F) | Germantown frost dates |
| Carlisle | 6b (−5 to 0°F) | Carlisle frost dates |
| Port Clinton | 6b (−5 to 0°F) | Port Clinton frost dates |
| West Jefferson | 6b (−5 to 0°F) | West Jefferson frost dates |
| Groveport | 6b (−5 to 0°F) | Groveport frost dates |
| Geneva | 6b (−5 to 0°F) | Geneva frost dates |
| Grafton | 6b (−5 to 0°F) | Grafton frost dates |
| Deer Park | 6b (−5 to 0°F) | Deer Park frost dates |
| New Carlisle | 6a (−10 to −5°F) | New Carlisle frost dates |
| Wellston | 6b (−5 to 0°F) | Wellston frost dates |
| Johnstown | 6a (−10 to −5°F) | Johnstown frost dates |
| Canal Fulton | 6b (−5 to 0°F) | Canal Fulton frost dates |
| Reminderville | 6a (−10 to −5°F) | Reminderville frost dates |
| Northwood | 6b (−5 to 0°F) | Northwood frost dates |
| Chardon | 6a (−10 to −5°F) | Chardon frost dates |
| Toronto | 6b (−5 to 0°F) | Toronto frost dates |
| Uhrichsville | 6b (−5 to 0°F) | Uhrichsville frost dates |
| Whitehouse | 6b (−5 to 0°F) | Whitehouse frost dates |
Frequently asked questions
What growing zone is Ohio in?
Ohio’s ZIP codes span USDA zones 6a to 7a, and 6b is the most common. Zones vary with elevation and distance from water, so check your own ZIP code.
When should I plant?
Hardiness zones are about winter cold, not planting dates. For timing, use the last spring frost date for your city on our Ohio frost dates page.