6 planting zones in Illinois on Map

There are 6 Planting Zones in Illinois ranging from zone 5a to zone 7b, according to the USDA latest data. The coldest zone, 5a, is found in the northwestern corner of Illinois, while the warmest zone, 7b, occurs in the southernmost tip of the state.

These planting zones are defined by USDA, and is used as guide for plant selection across the state, all this is done to make sure that chosen plants can survive and grow in your local conditions successfully.

Find your Illinois planting zone below using either our ZIP code tool or our Illinois city based planting zone map. Both options will show you your exact USDA growing zone.

Search Illinois Planting Zones by ZipCode

Planting Zones Illinois Map

Select your Illinois city in the selection box below. Toggle map view by selecting different map layers from the top right corner button in the map.

What are the 6 planting zones in Illinois?

1. Zone 5a

Zone 5a, shown in dark purple color in our map, covers a small area in the northwestern corner of Illinois. With average annual minimum temperatures ranging from -20°F to -15°F (-28.9°C to -26.1°C), it represents the coldest region in the state. Some cities in this zone include Galena, Elizabeth, and Stockton.

2. Zone 5b

Zone 5b, shown in light purple color on map above, covers most of northern Illinois. It experiences average annual minimum temperatures between -15°F and -10°F (-26.1°C to -23.3°C). This zone includes major cities like Rockford, DeKalb, and Dixon, as well as the northern suburbs of Chicago.

3. Zone 6a

Represented by the dark blue color on our map, Zone 6a covers a significant portion of central and northeastern Illinois, including the Chicago metropolitan area. With average annual minimum temperatures from -10°F to -5°F (-23.3°C to -20.6°C), this zone have cities such as Peoria, Bloomington, and Champaign-Urbana.

4. Zone 6b

Zone 6b, shown in dark green color in our map shown above, stretches across central Illinois and extends into the southern part of the state. It experiences average annual minimum temperatures between -5°F and 0°F (-20.6°C to -17.8°C). Cities in this zone are Bluford, Golden Gate, and Effingham.

5. Zone 7a

Shown by light green on the map, Zone 7a covers most of southern Illinois. With average annual minimum temperatures ranging from 0°F to 5°F (-17.8°C to -15°C), this zone includes cities such as Carbondale, Orient, and Belleville.

6. Zone 7b

Zone 7b, shown in yellow color on map, is found only in the southernmost tip of Illinois. It experiences the mildest winters in the state, with average annual minimum temperatures between 5°F and 10°F (-15°C to -12.2°C). This small area includes location around Shawnee National Forest, representing the warmest planting zone in Illinois.

Planting Zones in Illinois with Cities

Find your Illinois cities, towns and counties hardniess zone using the table below. Data Source: USDA

Planting Zones in Illinois	Temp Range (°F)	Cities
5b	-15 to -10	Abingdon, Albany, Aledo, Alexis, Algonquin, Alpha, Altona, Amboy, Ancona, Andalusia, Andover, Annawan, Antioch, Arlington, Aroma Park, Ashkum, Ashton, Atkinson, Aurora, Avon, Barrington, Barstow, Bartlett, Batavia, Beaverville, Belvidere, Benson, Berwick, Big Rock, Biggsville, Bishop Hill, Blackstone, Bloomingdale, Bonfield, Bourbonnais, Braceville, Bradford, Bradley, Braidwood, Brimfield, Bristol, Buckingham, Buda, Buffalo Prairie, Bureau, Burlington, Byron, Cabery, Caledonia, Cambridge, Cameron, Camp Grove, Campus, Capron, Carbon Cliff, Carlock, Carol Stream, Carpentersville, Cary, Castleton, Cedar Point, Chana, Channahon, Chebanse, Chenoa, Cherry, Cherry Valley, Clare, Clifton, Coal City, Coal Valley, Colona, Compton, Congerville, Cordova, Cornell, Cortland, Crescent City, Creston, Crystal Lake, Cullom, Dahinda, Dalzell, Dana, Danforth, Danvers, Davis Junction, Deer Creek, Deer Grove, Dekalb, Depue, Dixon, Donovan, Downers Grove, Dundee, Dunlap, Durand, Dwight, Earlville, East Galesburg, East Moline, Edelstein, Edwards, El Paso, Elburn, Elgin, Elmwood, Emington, Eola, Erie, Esmond, Essex, Eureka, Fairview, Farmington, Fenton, Fiatt, Flanagan, Forreston, Fox Lake, Fox River Grove, Fox Valley, Franklin Grove, Fulton, Galesburg, Galt, Galva, Garden Prairie, Gardner, Geneseo, Geneva, Genoa, Gerlaw, German Valley, Gilberts, Gilman, Gilson, Glen Ellyn, Glendale Heights, Good Hope, Goodfield, Grand Ridge, Grant Park, Granville, Graymont, Grayslake, Gridley, Hampshire, Hampton, Hanover Park, Harmon, Harvard, Hebron, Henderson, Hennepin, Henry, Herscher, Hillsdale, Hinckley, Hoffman Estates, Holcomb, Hooppole, Hopkins Park, Huntley, Illinois City, Ingleside, Iroquois, Island Lake, Joliet, Joy, Kaneville, Kankakee, Kasbeer, Keithsburg, Kempton, Kewanee, Kingston, Kinsman, Kirkland, Kirkwood, Knoxville, La Fayette, La Moille, La Rose, La Salle, Lacon, Ladd, Lafox, Lake In The Hills, Lake Villa, Lake Zurich, Laura, Leaf River, Lee, Lee Center, Leland, Leonore, Lindenwood, Lisle, Little York, London Mills, Long Point, Lostant, Loves Park, Lowpoint, Lyndon, Lynn Center, Machesney Park, Magnolia, Malden, Malta, Manlius, Manteno, Maple Park, Maquon, Marengo, Mark, Marseilles, Martinton, Matherville, Mazon, Mc Nabb, Mchenry, Media, Medinah, Mendota, Milan, Millington, Mineral, Minonk, Minooka, Moline, Momence, Monmouth, Monroe Center, Montgomery, Mooseheart, Morris, Morrison, Mount Morris, Mundelein, Nachusa, Naperville, Neponset, New Bedford, New Boston, New Windsor, Newark, Norris, North Aurora, North Henderson, Oglesby, Ohio, Onarga, Oneida, Opheim, Oquawka, Oregon, Orion, Osco, Oswego, Ottawa, Palatine, Papineau, Paw Paw, Pecatonica, Pembroke Township, Peoria, Peru, Plainfield, Plano, Polo, Poplar Grove, Port Byron, Preemption, Princeton, Princeville, Prophetstown, Putnam, Ransom, Rapids City, Reddick, Reynolds, Richmond, Ridott, Ringwood, Rio, Roanoke, Rochelle, Rock Falls, Rock Island, Rockford, Rockton, Roscoe, Roselle, Roseville, Round Lake, Russell, Rutland, Saint Anne, Saint Augustine, Saint Charles, Sandwich, Saunemin, Schaumburg, Sciota, Seaton, Seatonville, Secor, Seneca, Serena, Seward, Shabbona, Sheffield, Sheldon, Sheridan, Sherrard, Shirland, Shorewood, Silvis, Smithshire, Somonauk, South Beloit, South Elgin, South Wilmington, Sparland, Speer, Spring Grove, Spring Valley, Sterling, Steward, Stillman Valley, Stockland, Streamwood, Streator, Sublette, Sugar Grove, Sycamore, Tampico, Taylor Ridge, Thomson, Tiskilwa, Toluca, Tonica, Toulon, Trivoli, Troy Grove, Union, Union Hill, Utica, Van Orin, Varna, Verona, Victoria, Viola, Wadsworth, Walnut, Warrenville, Wasco, Washburn, Wataga, Waterman, Watseka, Wauconda, Wayne, Wedron, Wenona, West Brooklyn, West Chicago, Wheaton, Williamsfield, Wilmington, Winfield, Winnebago, Wonder Lake, Woodhull, Woodland, Woodstock, Woosung, Wyanet, Wyoming, Yates City, Yorkville
6a	-10 to -5	Adair, Addison, Alexander, Allerton, Alsey, Alsip, Alvin, Anchor, Arcola, Arenzville, Argenta, Arlington Heights, Armington, Armstrong, Arrowsmith, Arthur, Ashland, Ashmore, Assumption, Astoria, Athens, Atlanta, Atwood, Auburn, Augusta, Bardolph, Barry, Basco, Bath, Baylis, Beardstown, Beason, Bedford Park, Beecher, Bellflower, Bellwood, Bement, Bensenville, Berkeley, Berwyn, Bethany, Bismarck, Blandinsville, Bloomington, Blue Island, Blue Mound, Bluff Springs, Bluffs, Bolingbrook, Boody, Bowen, Bridgeview, Broadlands, Broadview, Brocton, Brookfield, Browning, Bryant, Buckley, Buffalo, Buffalo Grove, Bulpitt, Burbank, Bushnell, Calumet City, Camargo, Camden, Camp Point, Canton, Cantrall, Carman, Carrollton, Carthage, Catlin, Cerro Gordo, Chambersburg, Champaign, Chandlerville, Chapin, Charleston, Chatham, Chatsworth, Chestnut, Chicago, Chicago Heights, Chicago Ridge, Chillicothe, Chrisman, Cicero, Cisco, Cissna Park, Clarendon Hills, Clayton, Claytonville, Clinton, Coatsburg, Colchester, Colfax, Collison, Colusa, Concord, Cooksville, Cornland, Country Club Hills, Crest Hill, Crete, Creve Coeur, Cropsey, Cuba, Dallas City, Dalton City, Danville, Darien, Dawson, De Land, Decatur, Deerfield, Delavan, Dennison, Des Plaines, Dewey, Dewitt, Divernon, Dolton, Downers Grove, Downs, Dunfermline, East Lynn, East Peoria, Easton, Edinburg, Elk Grove Village, Elkhart, Elliott, Ellisville, Ellsworth, Elmhurst, Elmwood Park, Elvaston, Elwin, Elwood, Emden, Evanston, Evergreen Park, Fairbury, Fairmount, Farmer City, Farmersville, Ferris, Findlay, Fisher, Fithian, Flossmoor, Foosland, Forest City, Forest Park, Forrest, Forsyth, Fowler, Frankfort, Franklin, Franklin Park, Frederick, Gays, Georgetown, Gibson City, Gifford, Gladstone, Glasford, Glen Ellyn, Glenarm, Glencoe, Glenview, Glenview Nas, Glenwood, Golden, Golf, Goodwine, Great Lakes, Green Valley, Greenfield, Greenview, Griggsville, Groveland, Gurnee, Hamburg, Hamilton, Hammond, Hanna City, Harristown, Hartsburg, Harvel, Harvey, Harwood Heights, Havana, Hazel Crest, Henning, Hettick, Heyworth, Hickory Hills, Highland Park, Highwood, Hillside, Hindsboro, Hines, Hinsdale, Homer, Homer Glen, Hometown, Homewood, Hoopeston, Hopedale, Hudson, Humboldt, Hume, Huntsville, Illiopolis, Indianola, Industry, Ipava, Itasca, Ivesdale, Jacksonville, Joliet, Justice, Kampsville, Kansas, Kenilworth, Kenney, Kilbourne, Kincaid, Kinderhook, Kingston Mines, La Grange, La Grange Park, La Harpe, La Place, La Prairie, Lake Bluff, Lake Forest, Lake Fork, Lansing, Latham, Lawndale, Le Roy, Lemont, Lerna, Lewistown, Lexington, Liberty, Libertyville, Lima, Lincoln, Lincoln’S New Salem, Lincolnshire, Lincolnwood, Literberry, Littleton, Liverpool, Loami, Lockport, Loda, Lomax, Lombard, Longview, Loraine, Lovington, Ludlow, Lyons, Mackinaw, Macomb, Macon, Mahomet, Manchester, Manhattan, Manito, Mansfield, Mapleton, Marietta, Markham, Maroa, Marshall, Mason City, Matteson, Mattoon, Maywood, Mc Lean, Mechanicsburg, Melrose Park, Melvin, Mendon, Meredosia, Merna, Metamora, Metcalf, Middletown, Midlothian, Milford, Milmine, Milton, Minier, Mokena, Monee, Monticello, Morrisonville, Morton, Morton Grove, Mossville, Mount Auburn, Mount Prospect, Mount Pulaski, Mount Sterling, Moweaqua, Mt Zion, Muncie, Murdock, Murrayville, Naperville, Nauvoo, Nebo, New Berlin, New Holland, New Lenox, New Salem, Newman, Niantic, Niles, Niota, Nokomis, Normal, North Chicago, Northbrook, Oak Brook, Oak Forest, Oak Lawn, Oak Park, Oakford, Oakland, Oakwood, Odell, Ogden, Olympia Fields, Oreana, Orland Park, Owaneco, Palatine, Palmer, Paloma, Palos Heights, Palos Hills, Palos Park, Paris, Park Forest, Park Ridge, Patterson, Pawnee, Paxton, Payson, Pearl, Pekin, Penfield, Peoria, Peotone, Perry, Pesotum, Petersburg, Philo, Piper City, Pittsfield, Plainville, Pleasant Plains, Plymouth, Pontiac, Posen, Potomac, Prairie City, Prospect Heights, Quincy, Rankin, Rantoul, Redmon, Richton Park, Ridge Farm, River Forest, River Grove, Riverdale, Riverside, Riverton, Robbins, Roberts, Rochester, Rolling Meadows, Rome, Romeoville, Roodhouse, Rossville, Royal, Rushville, Sadorus, Saint David, Saint Joseph, San Jose, Savoy, Saybrook, Schiller Park, Seymour, Shelbyville, Sherman, Shirley, Sibley, Sidell, Sidney, Skokie, Smithfield, South Holland, South Pekin, Springfield, Stanford, Steger, Stone Park, Stonington, Strawn, Stronghurst, Sullivan, Summit Argo, Sutter, Table Grove, Tallula, Taylorville, Techny, Tennessee, Thawville, Thayer, Thomasboro, Thornton, Tilton, Timewell, Tinley Park, Tolono, Topeka, Tovey, Towanda, Tremont, Tuscola, University Park, Urbana, Ursa, Vermilion, Vermont, Vernon Hills, Versailles, Villa Grove, Villa Park, Virginia, Waggoner, Wapella, Warrensburg, Warsaw, Washington, Waukegan, Waverly, Waynesville, Weldon, Wellington, West Point, Westchester, Western Springs, Westfield, Westmont, Westville, Wheeling, White Hall, White Heath, Williamsville, Willow Springs, Willowbrook, Wilmette, Winchester, Windsor, Winnetka, Winthrop Harbor, Wood Dale, Woodridge, Woodson, Worth, Wrights, Zion
6b	-5 to 0	Addieville, Albers, Albion, Alhambra, Allendale, Alma, Altamont, Annapolis, Ashley, Aviston, Barnhill, Bartelso, Batchtown, Beckemeyer, Beecher City, Belle Rive, Bellmont, Benld, Bethalto, Bingham, Bluford, Bone Gap, Bonnie, Breese, Bridgeport, Brighton, Browns, Brownstown, Brussels, Bunker Hill, Burnt Prairie, Butler, Calhoun, Carlinville, Carlyle, Casey, Centralia, Chesterfield, Chicago, Cisne, Claremont, Clay City, Coffeen, Coulterville, Cowden, Dahlgren, Dale, Dieterich, Dix, Donnellson, Dorsey, Dow, Du Bois, Dundas, Eagarville, Edgewood, Effingham, Eldred, Ellery, Elsah, Enfield, Ewing, Fairfield, Farina, Fieldon, Fillmore, Flat Rock, Flora, Geff, Germantown, Gillespie, Girard, Godfrey, Golden Eagle, Golden Gate, Grafton, Greenup, Greenville, Hamel, Hardin, Herrick, Hidalgo, Highland, Hillsboro, Hillview, Hoffman, Hoyleton, Huey, Hull, Hutsonville, Ina, Ingraham, Irving, Irvington, Iuka, Jerseyville, Jewett, Johnsonville, Kane, Keenes, Keensburg, Kell, Keyesport, Kinmundy, Lakewood, Lawrenceville, Lebanon, Lenzburg, Litchfield, Livingston, Logan, Louisville, Lowder, Macedonia, Marine, Martinsville, Mascoutah, Mason, Mc Leansboro, Medora, Mill Shoals, Mode, Modesto, Montrose, Moro, Mount Carmel, Mount Erie, Mount Olive, Mount Vernon, Mulberry Grove, Nashville, Nason, Neoga, New Baden, New Canton, New Douglas, New Memphis, Newton, Nilwood, Noble, Oakdale, Oblong, Oconee, Odin, Ohlman, Okawville, Olney, Opdyke, Palestine, Palmyra, Pana, Panama, Parkersburg, Patoka, Piasa, Pierron, Pleasant Hill, Pocahontas, Radom, Ramsey, Raymond, Richview, Rinard, Robinson, Rockbridge, Rockport, Rosamond, Sailor Springs, Saint Elmo, Saint Francisville, Saint Libory, Saint Peter, Sainte Marie, Salem, Sandoval, Sawyerville, Scheller, Scott Air Force Base, Scottville, Sesser, Shipman, Shobonier, Shumway, Sigel, Sims, Smithboro, Sorento, Staunton, Stewardson, Stoy, Strasburg, Summerfield, Sumner, Tamaroa, Taylor Springs, Teutopolis, Texico, Thompsonville, Toledo, Tower Hill, Trenton, Trilla, Vandalia, Vernon, Virden, Walnut Hill, Walshville, Waltonville, Watson, Wayne City, West Liberty, West Salem, West Union, West York, Wheeler, Whittington, Willow Hill, Wilsonville, Witt, Woodlawn, Worden, Xenia, Yale
5a	-20 to -15	Apple River, Baileyville, Cedarville, Chadwick, Dakota, Davis, East Dubuque, Eleroy, Elizabeth, Freeport, Galena, Hanover, Kent, Lanark, Lena, Mc Connell, Milledgeville, Mount Carroll, Nora, Orangeville, Pearl City, Rock City, Savanna, Scales Mound, Shannon, Stockton, Warren, Winslow
7a	0 to 5	Alto Pass, Alton, Anna, Ava, Baldwin, Belknap, Belleville, Benton, Brookport, Broughton, Buckner, Buncombe, Cairo, Cambria, Campbell Hill, Carbondale, Carmi, Carrier Mills, Carterville, Caseyville, Cave In Rock, Chester, Christopher, Cobden, Coello, Collinsville, Colp, Columbia, Cottage Hills, Creal Springs, Crossville, Cutler, Cypress, De Soto, Dongola, Dowell, Du Quoin, Dupo, East Alton, East Carondelet, East Saint Louis, Eddyville, Edwardsville, Eldorado, Elizabethtown, Elkville, Ellis Grove, Emma, Energy, Equality, Evansville, Fairview Heights, Frankfort Heights, Freeburg, Freeman Spur, Fults, Galatia, Glen Carbon, Golconda, Goreville, Gorham, Grand Chain, Grand Tower, Granite City, Grantsburg, Grayville, Harrisburg, Hartford, Hecker, Herod, Herrin, Hurst, Jacob, Johnston City, Jonesboro, Joppa, Junction, Karnak, Lovejoy, Madison, Maeystown, Makanda, Marion, Marissa, Maryville, Maunie, Mc Clure, Menard, Metropolis, Millcreek, Miller City, Millstadt, Modoc, Mound City, Mounds, Muddy, Mulkeytown, Murphysboro, New Athens, New Burnside, New Haven, Norris City, O Fallon, Olive Branch, Olmsted, Omaha, Orient, Ozark, Percy, Perks, Pinckneyville, Pittsburg, Pomona, Prairie Du Rocher, Pulaski, Raleigh, Red Bud, Renault, Ridgway, Rockwood, Rosiclare, Roxana, Royalton, Saint Jacob, Shawneetown, Simpson, Smithton, South Roxana, Sparta, Springerton, Steeleville, Stonefort, Tamms, Thebes, Tilden, Troy, Ullin, Unity, Valier, Valmeyer, Venice, Vergennes, Vienna, Villa Ridge, Walsh, Waterloo, West Frankfort, Willisville, Wolf Lake, Wood River, Zeigler

Change in Illinois’ planting zones overtime?

The 2023 USDA Planting Zone Map shows that most areas have now moved up by about half a zone, reflecting warmer winter temperatures. Northern Illinois remains in zones 5a and 5b, while central areas have shifted to 6a and 6b. Southern Illinois has transitioned to zone 7a, with a small area reaching 7b for the first time.