LawnByCounty

Illinois Lawn Care Guide

Lawn care guide for 102 counties · Average LDS: 20/100

USDA SSURGO / PHZM

Illinois covers USDA hardiness zones 5–7, with lawn difficulty averaging 20/100 across 102 counties. Kentucky Bluegrass is the most widely recommended grass in the state.

County grass atlas

Illinois grass suitability by county

A compact 2.5D surface of per-species lawn suitability. Toggle Tall Fescue, Kentucky Bluegrass, Bermudagrass, and Zoysiagrass to see which counties best fit each grass — brighter = better fit.

Counties

102/102

Avg best fit

100%

Species

4

Counties by Lawn Difficulty

CountyLDSZone
Mercer County115b
Rock Island County115b
Bureau County125b
DeKalb County125b
Henry County125b
Kendall County125b
McHenry County125b
Boone County135b
DuPage County135b
Grundy County135b
Kane County135b
Knox County135b
Lee County135b
Warren County135b
Whiteside County135b
Iroquois County145b
Kankakee County145b
LaSalle County145b
Livingston County145b
Woodford County145b
Jo Daviess County155a
Stephenson County155a
Carroll County165a
Ogle County165b
Winnebago County165b
Calhoun County176b
Henderson County176a
Johnson County187a
Washington County186b
Clinton County196b
Franklin County197a
Gallatin County197a
Lake County196a
Madison County197a
Pulaski County197a
Randolph County197a
Marion County206b
Marshall County205b
Massac County207a
Monroe County207a
Saline County207a
St. Clair County207a
Alexander County217a
Bond County216b
Greene County216a
Hardin County217a
Menard County216a
Peoria County216a
Tazewell County216a
Wabash County216b
Wayne County216b
Will County216a
Brown County226a
Cass County226a
Cook County226a
Cumberland County226b
Effingham County226b
Fulton County226a
Jackson County227a
Jasper County226b
Jefferson County226b
Jersey County226b
Logan County226a
Mason County226a
Moultrie County226a
Stark County225b
Union County227a
Christian County236a
De Witt County236a
Edwards County236b
Fayette County236b
Hamilton County236b
Lawrence County236b
Macon County236a
Macoupin County236b
McLean County236a
Morgan County236a
Perry County237a
Pike County236a
Pope County237a
Putnam County235b
Sangamon County236a
Scott County236a
Shelby County236b
White County237a
Adams County246a
Champaign County246a
Clark County246b
Clay County246b
Coles County246a
Crawford County246b
Douglas County246a
Edgar County246a
Ford County246a
Hancock County246a
McDonough County246a
Montgomery County246b
Piatt County246a
Richland County246b
Schuyler County246a
Vermilion County256a
Williamson County307a