USDA hardiness zones for Wyoming cities, towns and counties

Wyoming have six USDA planting zones, ranging from 3b to 6a, based on the most recent official USDA data.

To find your USDA hardiness zone in Wyoming, locate your county, city, or town in the list provided below. You can also use our planting zone search tool by entering your zip code or view the Wyoming zone map given below.

Wyoming Plating Zones by ZipCode

Wyoming Planting Zones Map

USDA hardiness zones for Wyoming counties

Wyoming Counties	USDA Hardiness Zones (2024)
Albany County	Zone 3b, 4a, 4b, 5a and 5b
Big Horn County	Zone 3b, 4a, 4b, 5a and 5b
Campbell County	Zone 4b, 5a, 5b and 6a
Carbon County	Zone 4a, 4b, 5a, 5b and 6a
Converse County	Zone 4a, 4b, 5a and 5b
Crook County	Zone 4a, 4b, 5a and 5b
Fremont County	Zone 4a, 4b, 5a and 5b
Goshen County	Zone 4b, 5a and 5b
Hot Springs County	Zone 4a, 4b, 5a and 5b
Johnson County	Zone 3b, 4a, 4b, 5a and 5b
Laramie County	Zone 5a and 5b
Lincoln County	Zone 3b, 4a, 4b, 5a, 5b and 6a
Natrona County	Zone 4a, 4b, 5a, 5b and 6a
Niobrara County	Zone 4a, 4b and 5a
Park County	Zone 3b, 4a, 4b, 5a and 5b
Platte County	Zone 4b, 5a and 5b
Sheridan County	Zone 4a, 4b, 5a and 5b
Sublette County	Zone 3b, 4a, 4b, 5a and 5b
Sweetwater County	Zone 4a, 4b, 5a, 5b and 6a
Teton County	Zone 3b, 4a, 4b, 5a, 5b and 6a
Uinta County	Zone 4a, 4b, 5a, 5b and 6a
Washakie County	Zone 4a, 4b, 5a and 5b
Weston County	Zone 4a, 4b, 5a and 5b

USDA hardiness zones for Wyoming cities and towns

Wyoming City/Town	2024 USDA Hardiness Zone(s)
Afton	Zone 4b and 5a
Albany	Zone 4b and 5a
Albin	Zone 5b
Alcova	Zone 5a and 5b
Alpine	Zone 5a
Alpine Northeast	Zone 5a, 5b and 6a
Alpine Northwest	Zone 5a
Alta	Zone 4b and 5a
Antelope Hills	Zone 5a
Arapahoe	Zone 4b and 5a
Arlington	Zone 5a
Arrowhead Springs	Zone 5a and 5b
Arvada	Zone 4b
Atlantic City	Zone 5a
Auburn	Zone 4b and 5a
Baggs	Zone 4b
Bairoil	Zone 5a
Bar Nunn	Zone 5a
Basin	Zone 4b
Bear River	Zone 4b, 5a and 5b
Bedford	Zone 4b, 5a and 5b
Bessemer Bend	Zone 5a
Beulah	Zone 5a
Big Horn	Zone 5a
Big Piney	Zone 4a
Bondurant	Zone 4a, 4b, 5a and 5b
Boulder	Zone 3b and 4a
Boulder Flats	Zone 5a
Brookhurst	Zone 5a
Buffalo	Zone 5a and 5b
Burlington	Zone 5a
Burns	Zone 5a
Byron	Zone 5a
Carter	Zone 4b and 5a
Casper	Zone 5a
Casper Mountain	Zone 5a and 5b
Centennial	Zone 4b and 5a
Cheyenne	Zone 5a and 5b
Chugcreek	Zone 5a
Chugwater	Zone 5a
Clearmont	Zone 4b
Clearview Acres	Zone 5a
Cody	Zone 5a and 5b
Cokeville	Zone 4a
Cora	Zone 4a
Cowley	Zone 4b and 5a
Crowheart	Zone 4b and 5a
Daniel	Zone 4a
Dayton	Zone 4b and 5a
Deaver	Zone 4b
Diamondville	Zone 4b and 5a
Dixon	Zone 4b
Douglas	Zone 4b and 5a
Dubois	Zone 4b
East Thermopolis	Zone 5a
Eden	Zone 4a
Edgerton	Zone 5a
Elk Mountain	Zone 5a
Encampment	Zone 5a
Esterbrook	Zone 5a and 5b
Ethete	Zone 4b and 5a
Etna	Zone 5a
Evanston	Zone 5a and 5b
Evansville	Zone 5a
Fairview	Zone 4b
Farson	Zone 4a
Fontenelle	Zone 4a
Fort Bridger	Zone 5a
Fort Washakie	Zone 5a
Fox Farm-College	Zone 5b
Fox Park	Zone 4b
Frannie	Zone 5a
Freedom	Zone 5a
Garland	Zone 5a
Gillette	Zone 5a
Glendo	Zone 5a
Glenrock	Zone 5a
Granger	Zone 4b
Green River	Zone 5a, 5b and 6a
Greybull	Zone 4b
Grover	Zone 4b, 5a and 5b
Guernsey	Zone 5a
Hanna	Zone 4b and 5a
Hartrandt	Zone 5a
Hartville	Zone 5a
Hawk Springs	Zone 5a
Hill View Heights	Zone 5a
Hillsdale	Zone 5a
Hoback	Zone 4b, 5a, 5b and 6a
Homa Hills	Zone 5a
Hudson	Zone 4b and 5a
Hulett	Zone 4b
Huntley	Zone 5a
Hyattville	Zone 4b and 5a
Jackson	Zone 4b, 5a and 5b
James Town	Zone 5a
Jeffrey City	Zone 4b and 5a
Johnstown	Zone 5a
Kaycee	Zone 4b
Kelly	Zone 4a
Kemmerer	Zone 4b and 5a
La Barge	Zone 3b
La Grange	Zone 5a
Lakeview North	Zone 5a
Lance Creek	Zone 4b and 5a
Lander	Zone 4b and 5a
Laramie	Zone 4a and 4b
Lingle	Zone 5a
Little America	Zone 5a
Lonetree	Zone 5a and 5b
Lost Springs	Zone 4b
Lovell	Zone 5a
Lucerne	Zone 4b and 5a
Lusk	Zone 5a
Lyman	Zone 5a
Mammoth	Zone 5a
Manderson	Zone 4b
Manville	Zone 5a
Marbleton	Zone 4a
McKinnon	Zone 5b
Meadow Acres	Zone 5a
Medicine Bow	Zone 4a and 4b
Meeteetse	Zone 4b
Midwest	Zone 5a
Mills	Zone 5a
Moorcroft	Zone 4b
Moose Wilson Road	Zone 4b
Mountain View	Zone 5a
Mountain View	Zone 5a and 5b
Newcastle	Zone 5a
Nordic	Zone 5a, 5b and 6a
North Rock Springs	Zone 5a, 5b and 6a
Oakley	Zone 4b and 5a
Opal	Zone 4b
Osage	Zone 4b and 5a
Osmond	Zone 4b
Owl Creek	Zone 4b and 5a
Parkman	Zone 5a
Pavillion	Zone 5a
Pine Bluffs	Zone 5a
Pine Haven	Zone 4b
Pinedale	Zone 4a
Point of Rocks	Zone 4b and 5a
Powder River	Zone 5a
Powell	Zone 5a
Purple Sage	Zone 5a
Rafter J Ranch	Zone 4b
Ralston	Zone 5a
Ranchester	Zone 4b
Ranchettes	Zone 5b
Rawlins	Zone 5a
Red Butte	Zone 5a
Reliance	Zone 5a and 5b
Riverside	Zone 5a
Riverton	Zone 4b and 5a
Robertson	Zone 5b
Rock River	Zone 4a and 4b
Rock Springs	Zone 5a and 5b
Rolling Hills	Zone 5a
Ryan Park	Zone 5a
Saratoga	Zone 4b
Shell	Zone 4b and 5a
Sheridan	Zone 4b and 5a
Shoshoni	Zone 4b
Sinclair	Zone 4b and 5a
Slater	Zone 5a and 5b
Sleepy Hollow	Zone 5a
Smoot	Zone 4b, 5a and 5b
South Park	Zone 4b
Star Valley Ranch	Zone 4b, 5a and 5b
Story	Zone 5a
Sundance	Zone 4b and 5a
Superior	Zone 5a and 5b
Table Rock	Zone 4b
Taylor	Zone 4a, 4b, 5a and 5b
Ten Sleep	Zone 4b and 5a
Teton Village	Zone 4b, 5a and 5b
Thayne	Zone 5a
Thermopolis	Zone 5a
Torrington	Zone 5a
Turnerville	Zone 4b, 5a and 5b
Upton	Zone 4b
Urie	Zone 5a and 5b
Van Tassell	Zone 5a
Veteran	Zone 5a
Vista West	Zone 5a
Wamsutter	Zone 4b
Warren AFB	Zone 5b
Washam	Zone 5b
Westview Circle	Zone 5a
Wheatland	Zone 5a
Whiting	Zone 5a
Wilson	Zone 4b, 5a, 5b and 6a
Woods Landing-Jelm	Zone 4a, 4b and 5a
Worland	Zone 4b
Wright	Zone 5a
Y-O Ranch	Zone 5a
Yoder	Zone 5a