USDA hardiness zones for Colorado cities, towns and counties

There are 9 Planting zones in Colorado from Zone 3b to Zone 7b, as per the latest USDA data.

Find your USDA Hardiness zone in Colorado using the list given below. For quick information use our Planting Zones by Zipcode search tool or the interactive map provided below.

Colorado Planting Zones by ZipCode

Colorado Planting Zones Map

USDA hardiness zones for Colorado counties

Colorado Counties	Hardiness Zones
Adams County	Zone 5a, 5b and 6a
Alamosa County	Zone 4a, 4b, 5a, 5b and 6a
Arapahoe County	Zone 5b and 6a
Archuleta County	Zone 5a, 5b, 6a, 6b and 7a
Baca County	Zone 6a and 6b
Bent County	Zone 6a and 6b
Boulder County	Zone 4a, 4b, 5a, 5b and 6a
Broomfield County	Zone 5b and 6a
Chaffee County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Cheyenne County	Zone 5b and 6a
Clear Creek County	Zone 4a, 4b, 5a and 5b
Conejos County	Zone 4b, 5a, 5b and 6a
Costilla County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Crowley County	Zone 5b and 6a
Custer County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Delta County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Denver County	Zone 5b and 6a
Dolores County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Douglas County	Zone 5a, 5b and 6a
Eagle County	Zone 4a, 4b, 5a, 5b, 6a and 6b
El Paso County	Zone 4a, 4b, 5a, 5b and 6a
Elbert County	Zone 5b and 6a
Fremont County	Zone 4b, 5a, 5b, 6a and 6b
Garfield County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Gilpin County	Zone 4b, 5a and 5b
Grand County	Zone 3b, 4a, 4b, 5a, 5b and 6a
Gunnison County	Zone 3b, 4a, 4b, 5a, 5b, 6a and 6b
Hinsdale County	Zone 4a, 4b, 5a, 5b and 6a
Huerfano County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Jackson County	Zone 4a, 4b, 5a and 5b
Jefferson County	Zone 5a, 5b and 6a
Kiowa County	Zone 5b and 6a
Kit Carson County	Zone 5b and 6a
La Plata County	Zone 4b, 5a, 5b, 6a, 6b, 7a and 7b
Lake County	Zone 3b, 4a, 4b, 5a and 5b
Larimer County	Zone 4a, 4b, 5a, 5b and 6a
Las Animas County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Lincoln County	Zone 5b and 6a
Logan County	Zone 5b
Mesa County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Mineral County	Zone 4b, 5a, 5b and 6a
Moffat County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Montezuma County	Zone 5a, 5b, 6a, 6b, 7a and 7b
Montrose County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Morgan County	Zone 5a and 5b
Otero County	Zone 5b, 6a and 6b
Ouray County	Zone 4b, 5a, 5b, 6a and 6b
Park County	Zone 4a, 4b, 5a, 5b and 6a
Phillips County	Zone 5b
Pitkin County	Zone 4a, 4b, 5a, 5b, 6a and 6b
Prowers County	Zone 6a and 6b
Pueblo County	Zone 4b, 5a, 5b, 6a and 6b
Rio Blanco County	Zone 4b, 5a, 5b, 6a and 6b
Rio Grande County	Zone 4b, 5a, 5b and 6a
Routt County	Zone 4a, 4b, 5a, 5b and 6a
Saguache County	Zone 4a, 4b, 5a, 5b and 6a
San Juan County	Zone 4b, 5a, 5b and 6a
San Miguel County	Zone 4b, 5a, 5b, 6a, 6b and 7a
Sedgwick County	Zone 5b
Summit County	Zone 4a, 4b, 5a, 5b and 6a
Teller County	Zone 4b, 5a, 5b and 6a
Washington County	Zone 5a and 5b
Weld County	Zone 5a, 5b and 6a
Yuma County	Zone 5b and 6a

USDA hardiness zones for Colorado cities and towns

Colorado City/Town	2024 USDA Hardiness Zone(s)
Acres Green	Zone 6a
Aetna Estates	Zone 6a
Aguilar	Zone 6a
Air Force Academy	Zone 5b
Akron	Zone 5b
Alamosa	Zone 4b
Alamosa East	Zone 4b
Allenspark	Zone 5b
Alma	Zone 5b
Alpine	Zone 5a
Altona	Zone 6a
Amherst	Zone 5b
Antonito	Zone 5a and 5b
Applewood	Zone 6a
Arboles	Zone 6a and 6b
Aristocrat Ranchettes	Zone 5b
Arriba	Zone 5b
Arvada	Zone 5b and 6a
Aspen	Zone 5b and 6a
Aspen Park	Zone 5b
Atwood	Zone 5b
Ault	Zone 5a and 5b
Aurora	Zone 5b and 6a
Avon	Zone 5a, 5b and 6a
Avondale	Zone 5b and 6a
Bark Ranch	Zone 5b
Basalt	Zone 5b and 6a
Battlement Mesa	Zone 6a and 6b
Bayfield	Zone 6a
Bennett	Zone 5b and 6a
Berkley	Zone 6a
Berthoud	Zone 5b
Bethune	Zone 6a
Beulah Valley	Zone 6a and 6b
Black Forest	Zone 5b
Black Hawk	Zone 5b
Blanca	Zone 5a
Blende	Zone 6a
Blue River	Zone 5a and 5b
Blue Sky	Zone 5b
Bonanza	Zone 5b and 6a
Bonanza Mountain Estates	Zone 5b
Boone	Zone 5b
Boulder	Zone 6a
Bow Mar	Zone 6a
Brandon	Zone 5b and 6a
Branson	Zone 6b
Breckenridge	Zone 5a
Brick Center	Zone 6a
Brighton	Zone 5b and 6a
Brookside	Zone 6a
Broomfield	Zone 5b and 6a
Brush	Zone 5b
Buena Vista	Zone 5b
Burlington	Zone 6a
Byers	Zone 5b
Calhan	Zone 5b
Campo	Zone 6b
Capulin	Zone 5a
Carbondale	Zone 6a
Cascade-Chipita Park	Zone 5a and 5b
Castle Pines	Zone 5b and 6a
Castle Pines Village	Zone 5b
Castle Rock	Zone 5b
Cathedral	Zone 4b, 5a and 5b
Catherine	Zone 5b and 6a
Cattle Creek	Zone 6a
Cedaredge	Zone 6b and 7a
Centennial	Zone 6a
Center	Zone 5a
Central City	Zone 5b
Chacra	Zone 6a
Cheraw	Zone 6a
Cherry Creek	Zone 6a
Cherry Hills Village	Zone 6a
Cheyenne Wells	Zone 6a
City of Creede	Zone 5a
Clifton	Zone 7a
Coal Creek	Zone 5a and 5b
Coal Creek	Zone 6a
Coaldale	Zone 5a, 5b and 6a
Cokedale	Zone 6a
Collbran	Zone 5b and 6a
Colona	Zone 6a
Colorado City	Zone 6a and 6b
Colorado Springs	Zone 5b and 6a
Columbine	Zone 6a
Columbine Valley	Zone 6a
Comanche Creek	Zone 5b and 6a
Commerce City	Zone 5b and 6a
Conejos	Zone 5a and 5b
Copper Mountain	Zone 4b, 5a and 5b
Cortez	Zone 6a
Cotopaxi	Zone 5b and 6a
Craig	Zone 4a and 4b
Crawford	Zone 6a and 6b
Crested Butte	Zone 3b and 4a
Crestone	Zone 5b
Cripple Creek	Zone 5b
Crisman	Zone 5b and 6a
Crook	Zone 5b
Crowley	Zone 5b
Dacono	Zone 5b and 6a
Dakota Ridge	Zone 5b and 6a
De Beque	Zone 6b
Deer Trail	Zone 5b
Del Norte	Zone 5b
Delta	Zone 6b
Denver	Zone 5b and 6a
Derby	Zone 6a
Dillon	Zone 4b and 5a
Dinosaur	Zone 6a
Divide	Zone 5a and 5b
Dolores	Zone 6a and 6b
Dotsero	Zone 5b and 6a
Dove Creek	Zone 6b
Dove Valley	Zone 6a
Downieville-Lawson-Dumont	Zone 5b
Durango	Zone 6a, 6b and 7a
Eads	Zone 6a
Eagle	Zone 5a and 5b
East Pleasant View	Zone 6a
Eaton	Zone 5a and 5b
Eckley	Zone 5b
Edgewater	Zone 6a
Edwards	Zone 5a, 5b and 6a
El Jebel	Zone 5b and 6a
El Moro	Zone 6a
Elbert	Zone 5b
Eldora	Zone 5a and 5b
Eldorado Springs	Zone 6a
Elizabeth	Zone 5b
Ellicott	Zone 6a
Empire	Zone 5b
Englewood	Zone 6a
Erie	Zone 5b and 6a
Estes Park	Zone 5a and 5b
Evans	Zone 5a and 5b
Evergreen	Zone 5b
Fairmount	Zone 6a
Fairplay	Zone 5a and 5b
Federal Heights	Zone 6a
Firestone	Zone 5b
Flagler	Zone 5b
Fleming	Zone 5b
Florence	Zone 6a
Florissant	Zone 4b
Floyd Hill	Zone 5b
Fort Carson	Zone 6a
Fort Collins	Zone 5b and 6a
Fort Lupton	Zone 5b
Fort Morgan	Zone 5b
Fountain	Zone 6a
Fowler	Zone 6a
Foxfield	Zone 6a
Franktown	Zone 5b
Fraser	Zone 4a, 4b, 5a and 5b
Frederick	Zone 5b
Frisco	Zone 5a
Fruita	Zone 6a and 6b
Fruitvale	Zone 7a
Fulford	Zone 5b
Garden City	Zone 5b
Garfield	Zone 5b and 6a
Genesee	Zone 5b
Genoa	Zone 5b
Georgetown	Zone 5b
Gerrard	Zone 5a
Gilcrest	Zone 5a and 5b
Glendale	Zone 6a
Glendale	Zone 5b and 6a
Gleneagle	Zone 5b
Glenwood Springs	Zone 6a and 6b
Gold Hill	Zone 5b
Golden	Zone 5b and 6a
Goldfield	Zone 5a and 5b
Granada	Zone 6a
Granby	Zone 4a, 4b, 5a and 5b
Grand Junction	Zone 6b and 7a
Grand Lake	Zone 4a and 4b
Grand View Estates	Zone 6a
Greeley	Zone 5a and 5b
Green Mountain Falls	Zone 5a and 5b
Greenwood Village	Zone 6a
Grover	Zone 5a
Guffey	Zone 4b, 5a and 5b
Gunbarrel	Zone 5b and 6a
Gunnison	Zone 4a
Gypsum	Zone 5b and 6a
Hartman	Zone 6a
Hasty	Zone 6a
Haswell	Zone 5b
Haxtun	Zone 5b
Hayden	Zone 5a
Heeney	Zone 4b and 5a
Hidden Lake	Zone 5b
Highlands Ranch	Zone 5b and 6a
Hillrose	Zone 5b
Hoehne	Zone 6a
Holly	Zone 6a
Holly Hills	Zone 6a
Holyoke	Zone 5b
Hooper	Zone 5a
Hot Sulphur Springs	Zone 4a, 4b and 5a
Hotchkiss	Zone 6b
Howard	Zone 5b and 6a
Hudson	Zone 5b
Hugo	Zone 5b
Idaho Springs	Zone 5b
Idalia	Zone 6a
Idledale	Zone 5b
Ignacio	Zone 6a
Iliff	Zone 5b
Indian Hills	Zone 5b
Inverness	Zone 6a
Jackson Lake	Zone 5a
Jamestown	Zone 5b and 6a
Jansen	Zone 6a
Joes	Zone 5b
Johnson Village	Zone 5b
Johnstown	Zone 5b
Julesburg	Zone 5b
Keenesburg	Zone 5b
Ken Caryl	Zone 5b and 6a
Kersey	Zone 5a
Keystone	Zone 4b, 5a and 5b
Kim	Zone 6a
Kirk	Zone 5b
Kit Carson	Zone 5b
Kittredge	Zone 5b
Kremmling	Zone 4a and 4b
La Jara	Zone 4b and 5a
La Junta	Zone 6a
La Junta Gardens	Zone 6a
La Salle	Zone 5a
La Veta	Zone 5b and 6a
Lafayette	Zone 5b and 6a
Laird	Zone 5b
Lake City	Zone 5a
Lakeside	Zone 6a
Lakewood	Zone 5b and 6a
Lamar	Zone 6a
Laporte	Zone 5b
Larkspur	Zone 5b
Las Animas	Zone 6a
Lazy Acres	Zone 5b and 6a
Leadville	Zone 5a
Leadville North	Zone 5a
Lewis	Zone 6a and 6b
Leyner	Zone 5b
Limon	Zone 5b
Lincoln Park	Zone 6a
Littleton	Zone 5b and 6a
Lochbuie	Zone 5b
Log Lane Village	Zone 5b
Loghill Village	Zone 5b and 6a
Loma	Zone 6a and 6b
Lone Tree	Zone 5b and 6a
Longmont	Zone 5b and 6a
Louisville	Zone 6a
Louviers	Zone 5b and 6a
Loveland	Zone 5b
Lynn	Zone 6a
Lyons	Zone 6a
Manassa	Zone 5a
Mancos	Zone 6a
Manitou Springs	Zone 5b and 6a
Manzanola	Zone 5b
Marble	Zone 5a and 5b
Maybell	Zone 4a
Maysville	Zone 5a, 5b and 6a
McCoy	Zone 5a
Mead	Zone 5b and 6a
Meeker	Zone 4b, 5a and 5b
Meridian	Zone 6a
Merino	Zone 5b
Midland	Zone 5a and 5b
Milliken	Zone 5a and 5b
Minturn	Zone 5a, 5b and 6a
Moffat	Zone 5a
Monte Vista	Zone 4b and 5a
Montezuma	Zone 5a
Montrose	Zone 6a and 6b
Monument	Zone 5b
Morgan Heights	Zone 5a and 5b
Morrison	Zone 5b and 6a
Mount Crested Butte	Zone 4a, 4b, 5a, 5b and 6a
Mountain Meadows	Zone 5b and 6a
Mountain View	Zone 6a
Mountain Village	Zone 5a and 5b
Mulford	Zone 6a
Naturita	Zone 6b and 7a
Nederland	Zone 5b
New Castle	Zone 6a
Niwot	Zone 5b and 6a
No Name	Zone 6a
Norrie	Zone 5a
North La Junta	Zone 6a
North Washington	Zone 6a
Norwood	Zone 5b
Nucla	Zone 6b and 7a
Nunn	Zone 5a and 5b
Oak Creek	Zone 5a
Olathe	Zone 6b
Olney Springs	Zone 6a
Ophir	Zone 5a and 5b
Orchard	Zone 5a
Orchard City	Zone 6b
Orchard Mesa	Zone 7a
Ordway	Zone 5b
Otis	Zone 5b
Ouray	Zone 6a and 6b
Ovid	Zone 5b
Padroni	Zone 5b
Pagosa Springs	Zone 5b and 6a
Palisade	Zone 7a
Palmer Lake	Zone 5b
Paoli	Zone 5b
Paonia	Zone 6a and 6b
Parachute	Zone 6a and 6b
Paragon Estates	Zone 6a
Parker	Zone 5b and 6a
Parshall	Zone 4b and 5a
Peetz	Zone 5b
Penrose	Zone 6a
Peoria	Zone 5b
Perry Park	Zone 5b
Peyton	Zone 5b
Phippsburg	Zone 4b and 5a
Piedra	Zone 5a and 5b
Pierce	Zone 5b
Pine Brook Hill	Zone 6a
Pitkin	Zone 4a and 4b
Platteville	Zone 5b
Poncha Springs	Zone 5b
Ponderosa Park	Zone 5b
Portland	Zone 5b, 6a and 6b
Pritchett	Zone 6b
Pueblo	Zone 5b and 6a
Pueblo West	Zone 6a
Ramah	Zone 5b
Rangely	Zone 5a and 5b
Red Cliff	Zone 5a and 5b
Red Feather Lakes	Zone 5a and 5b
Redlands	Zone 6b and 7a
Redstone	Zone 5b and 6a
Redvale	Zone 6a and 6b
Rico	Zone 5a and 5b
Ridgway	Zone 5b
Rifle	Zone 6a and 6b
Rock Creek Park	Zone 6a
Rockvale	Zone 6a and 6b
Rocky Ford	Zone 6a
Rollinsville	Zone 5b
Romeo	Zone 5a
Roxborough Park	Zone 5b and 6a
Rye	Zone 6b
Saddle Ridge	Zone 5b
Saguache	Zone 5b
Salida	Zone 5b
Salt Creek	Zone 6a
San Acacio	Zone 5a
San Luis	Zone 5b
Sanford	Zone 4b and 5a
Sawpit	Zone 5b
Security-Widefield	Zone 6a
Sedalia	Zone 5b and 6a
Sedgwick	Zone 5b
Segundo	Zone 6a
Seibert	Zone 6a
Severance	Zone 5b
Shaw Heights	Zone 6a
Sheridan	Zone 6a
Sheridan Lake	Zone 6a
Sherrelwood	Zone 6a
Silt	Zone 6a
Silver Cliff	Zone 5a and 5b
Silver Plume	Zone 5b
Silverthorne	Zone 4b and 5a
Silverton	Zone 4b and 5a
Simla	Zone 5b
Smeltertown	Zone 5b
Snowmass Village	Zone 4b, 5a, 5b and 6a
Snyder	Zone 5b
South Fork	Zone 5a
Southern Ute	Zone 6a and 6b
Springfield	Zone 6b
St. Ann Highlands	Zone 5b
St. Mary’s	Zone 5a and 5b
Starkville	Zone 6a
Steamboat Springs	Zone 4b and 5a
Sterling	Zone 5b
Stonegate	Zone 5b and 6a
Stonewall Gap	Zone 5b, 6a and 6b
Strasburg	Zone 5b
Stratmoor	Zone 6a
Stratton	Zone 6a
Sugar City	Zone 5b
Sugarloaf	Zone 5b and 6a
Sunshine	Zone 5b and 6a
Superior	Zone 6a
Swink	Zone 6a
Tabernash	Zone 3b and 4a
Tall Timber	Zone 6a
Telluride	Zone 5a and 5b
The Pinery	Zone 5b
Thornton	Zone 5b and 6a
Timnath	Zone 5b
Todd Creek	Zone 5b and 6a
Towaoc	Zone 6b and 7a
Towner	Zone 6a
Trail Side	Zone 5b
Trinidad	Zone 6a
Twin Lakes	Zone 6a
Twin Lakes	Zone 5a
Two Buttes	Zone 6b
Upper Bear Creek	Zone 5b
Vail	Zone 5a and 5b
Valdez	Zone 6a
Valmont	Zone 6a
Vernon	Zone 5b
Victor	Zone 5b
Vilas	Zone 6b
Vineland	Zone 6a
Vona	Zone 6a
Walden	Zone 4a
Walsenburg	Zone 6a
Walsh	Zone 6b
Ward	Zone 5a and 5b
Watkins	Zone 6a
Welby	Zone 6a
Weldona	Zone 5a
Wellington	Zone 5b
West Pleasant View	Zone 5b and 6a
Westcliffe	Zone 5a
Westcreek	Zone 5a and 5b
Westminster	Zone 6a
Weston	Zone 6a
Wheat Ridge	Zone 6a
Wiggins	Zone 5a
Wiley	Zone 6a
Williamsburg	Zone 6a
Windsor	Zone 5b
Winter Park	Zone 4a, 4b, 5a, 5b and 6a
Wolcott	Zone 5a
Woodland Park	Zone 5a and 5b
Woodmoor	Zone 5b
Woody Creek	Zone 5b and 6a
Wray	Zone 5b
Yampa	Zone 5a
Yuma	Zone 5b