The Prairie Regions of Ohio
Ohio's original prairies varied greatly in size, species, location, and climate. But the prairies of each region were often very similar. Properly, then, an Ohio prairie should be referred to by its region of origin, not merely as an "Ohio prairie."
TurboCAD Drawing
Prairie Region
Prairie Region Name
A
Lake Plains Prairie Region
B
Central Till Plain Prairie Region
C
Southern Till Plain Prairie Region
D
Southwest Ohio Prairie Region
E
Lexington Plain Prairie Region
F
Unglaciated Appalachian Plateau Prairie Region
G
Glaciated Appalachian Plateau Prairie Region

Ohio Prairie
Area
Large Original
Landscape Prairies of
Presettlement Ohio
1
Oak Openings Prairies
2
Wood County Prairies
3
Castalia-Sandusky Bay Prairies
4
Firelands Prairies
5
Sandusky Plains Prairies
6
Darby Plains Prairies
Note: The specific prairie borders above are only generalizations.
The marked prairies represent only approximate locations and sizes.
Numerous original smaller prairies throughout all regions of the state are not shown here.                                                 These aren't Ohio's only prairies or prairie areas, just the biggest.