1990 Idaho USDA Hardiness Zone Map
View the new 2023 Idaho Hardiness Zone Map
| Zone 2b -45°F to -40°F | Zone 3a -40°F to -35°F | Zone 3b -35°F to -30°F | Zone 4a -30°F to -25°F | Zone 4b -25°F to -20°F |
| Zone 5a -20°F to -15°F | Zone 5b -15°F to -10°F | Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F | Zone 7a 0°F to 5°F |
Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Idaho which ranges from USDA Zone 2b to USDA Zone 7a.
1990 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related Idaho Maps:
List of 1990 Hardiness Zones for Cities in Idaho
| Location | Hardiness Zone |
|---|---|
| Aberdeen | Zone 5b: -15°F to -10°F |
| Acequia | Zone 5b: -15°F to -10°F |
| Ahsahka | Zone 6a: -10°F to -5°F |
| Albion | Zone 5b: -15°F to -10°F |
| Almo | Zone 6a: -10°F to -5°F |
| American Falls | Zone 5b: -15°F to -10°F |
| Ammon | Zone 4a: -30°F to -25°F |
| Arbon | Zone 4b: -25°F to -20°F |
| Arbon Valley | Zone 5b: -15°F to -10°F |
| Arco | Zone 4a: -30°F to -25°F |
| Arimo | Zone 4b: -25°F to -20°F |
| Ashton | Zone 4b: -25°F to -20°F |
| Athol | Zone 6a: -10°F to -5°F |
| Atlanta | Zone 4b: -25°F to -20°F |
| Atomic City | Zone 4b: -25°F to -20°F |
| Avery | Zone 5b: -15°F to -10°F |
| Bancroft | Zone 4a: -30°F to -25°F |
| Banks | Zone 5b: -15°F to -10°F |
| Basalt | Zone 4b: -25°F to -20°F |
| Bayview | Zone 6a: -10°F to -5°F |
| Bellevue | Zone 4b: -25°F to -20°F |
| Bennington | Zone 4a: -30°F to -25°F |
| Bern | Zone 4b: -25°F to -20°F |
| Big Creek | Zone 4a: -30°F to -25°F |
| Blackfoot | Zone 5b: -15°F to -10°F |
| Blanchard | Zone 5b: -15°F to -10°F |
| Bliss | Zone 6a: -10°F to -5°F |
| Bloomington | Zone 4b: -25°F to -20°F |
| Bogus Basin Ski Resort | Zone 6b: -5°F to 0°F |
| Boise | Zone 6b: -5°F to 0°F |
| Bonners Ferry | Zone 5b: -15°F to -10°F |
| Border | Zone 4a: -30°F to -25°F |
| Bovill | Zone 5b: -15°F to -10°F |
| Bruneau | Zone 6a: -10°F to -5°F |
| Buhl | Zone 6a: -10°F to -5°F |
| Burgdorf | Zone 4b: -25°F to -20°F |
| Burley | Zone 5b: -15°F to -10°F |
| Butte City | Zone 4a: -30°F to -25°F |
| Cabinet | Zone 5b: -15°F to -10°F |
| Calder | Zone 5b: -15°F to -10°F |
| Caldwell | Zone 6a: -10°F to -5°F |
| Cambridge | Zone 5b: -15°F to -10°F |
| Carey | Zone 4b: -25°F to -20°F |
| Careywood | Zone 6a: -10°F to -5°F |
| Carmen | Zone 4b: -25°F to -20°F |
| Cascade | Zone 4b: -25°F to -20°F |
| Castleford | Zone 6a: -10°F to -5°F |
| Cataldo | Zone 6a: -10°F to -5°F |
| Cedarhill | Zone 5b: -15°F to -10°F |
| Challis | Zone 4a: -30°F to -25°F |
| Chatcolet | Zone 6a: -10°F to -5°F |
| Chester | Zone 4b: -25°F to -20°F |
| Chubbuck | Zone 5b: -15°F to -10°F |
| Clagstone | Zone 6a: -10°F to -5°F |
| Clark Fork | Zone 6a: -10°F to -5°F |
| Clarkia | Zone 5b: -15°F to -10°F |
| Clayton | Zone 4a: -30°F to -25°F |
| Clifton | Zone 4b: -25°F to -20°F |
| Cobalt | Zone 4b: -25°F to -20°F |
| Cocolalla | Zone 6a: -10°F to -5°F |
| Coeur d'Alene | Zone 6b: -5°F to 0°F |
| Colburn | Zone 6a: -10°F to -5°F |
| Conda | Zone 4a: -30°F to -25°F |
| Conkling Park | Zone 6a: -10°F to -5°F |
| Coolin | Zone 5b: -15°F to -10°F |
| Corral | Zone 4b: -25°F to -20°F |
| Cottonwood | Zone 6b: -5°F to 0°F |
| Council | Zone 5b: -15°F to -10°F |
| Craigmont | Zone 6a: -10°F to -5°F |
| Crouch | Zone 5b: -15°F to -10°F |
| Culdesac | Zone 5b: -15°F to -10°F |
| Dalton Gardens | Zone 6b: -5°F to 0°F |
| Dayton | Zone 4b: -25°F to -20°F |
| De Smet | Zone 5b: -15°F to -10°F |
| Deary | Zone 5b: -15°F to -10°F |
| Declo | Zone 5b: -15°F to -10°F |
| Desmet | Zone 5b: -15°F to -10°F |
| Dietrich | Zone 5b: -15°F to -10°F |
| Dingle | Zone 4b: -25°F to -20°F |
| Donnelly | Zone 4b: -25°F to -20°F |
| Dover | Zone 6a: -10°F to -5°F |
| Downey | Zone 4b: -25°F to -20°F |
| Driggs | Zone 4a: -30°F to -25°F |
| Drummond | Zone 4b: -25°F to -20°F |
| Dubois | Zone 4a: -30°F to -25°F |
| Eagle | Zone 6b: -5°F to 0°F |
| East Hope | Zone 6a: -10°F to -5°F |
| Eastport | Zone 5b: -15°F to -10°F |
| Eden | Zone 6a: -10°F to -5°F |
| Edgemere | Zone 6a: -10°F to -5°F |
| Elba | Zone 5b: -15°F to -10°F |
| Elk City | Zone 4b: -25°F to -20°F |
| Elk River | Zone 5b: -15°F to -10°F |
| Ellis | Zone 4a: -30°F to -25°F |
| Emida | Zone 5b: -15°F to -10°F |
| Emmett | Zone 6a: -10°F to -5°F |
| Fairfield | Zone 4b: -25°F to -20°F |
| Featherville | Zone 4b: -25°F to -20°F |
| Felt | Zone 4b: -25°F to -20°F |
| Fenn | Zone 6a: -10°F to -5°F |
| Ferdinand | Zone 6b: -5°F to 0°F |
| Fernan Lake Village | Zone 6b: -5°F to 0°F |
| Fernwood | Zone 5b: -15°F to -10°F |
| Filer | Zone 6a: -10°F to -5°F |
| Firth | Zone 4b: -25°F to -20°F |
| Fish Haven | Zone 4b: -25°F to -20°F |
| Fort Hall | Zone 5b: -15°F to -10°F |
| Franklin | Zone 4b: -25°F to -20°F |
| Fruitland | Zone 6a: -10°F to -5°F |
| Fruitvale | Zone 5b: -15°F to -10°F |
| Gannett | Zone 4b: -25°F to -20°F |
| Garden City | Zone 6b: -5°F to 0°F |
| Garden Valley | Zone 5b: -15°F to -10°F |
| Genesee | Zone 6b: -5°F to 0°F |
| Geneva | Zone 4a: -30°F to -25°F |
| Georgetown | Zone 4a: -30°F to -25°F |
| Gibbonsville | Zone 4a: -30°F to -25°F |
| Glenns Ferry | Zone 6a: -10°F to -5°F |
| Gooding | Zone 6a: -10°F to -5°F |
| Gospel Hump Wilderness | Zone 4a: -30°F to -25°F |
| Grace | Zone 4a: -30°F to -25°F |
| Grand View | Zone 6a: -10°F to -5°F |
| Grangeville | Zone 6b: -5°F to 0°F |
| Grasmere | Zone 5b: -15°F to -10°F |
| Greencreek | Zone 6b: -5°F to 0°F |
| Greenleaf | Zone 6a: -10°F to -5°F |
| Grouse | Zone 3b: -35°F to -30°F |
| Groveland | Zone 5b: -15°F to -10°F |
| Hagerman | Zone 6a: -10°F to -5°F |
| Hailey | Zone 4b: -25°F to -20°F |
| Hamer | Zone 4a: -30°F to -25°F |
| Hammett | Zone 6a: -10°F to -5°F |
| Hansen | Zone 6a: -10°F to -5°F |
| Harrison | Zone 6a: -10°F to -5°F |
| Harvard | Zone 5b: -15°F to -10°F |
| Hauser | Zone 5b: -15°F to -10°F |
| Hayden | Zone 6b: -5°F to 0°F |
| Hayden Lake | Zone 6b: -5°F to 0°F |
| Hazelton | Zone 6a: -10°F to -5°F |
| Heyburn | Zone 5b: -15°F to -10°F |
| Hill City | Zone 5b: -15°F to -10°F |
| Holbrook | Zone 4b: -25°F to -20°F |
| Hollister | Zone 6a: -10°F to -5°F |
| Homedale | Zone 6a: -10°F to -5°F |
| Hope | Zone 6a: -10°F to -5°F |
| Horseshoe Bend | Zone 6a: -10°F to -5°F |
| Howe | Zone 3b: -35°F to -30°F |
| Huetter | Zone 6b: -5°F to 0°F |
| Huston | Zone 6a: -10°F to -5°F |
| Idaho City | Zone 5b: -15°F to -10°F |
| Idaho Falls | Zone 4a: -30°F to -25°F |
| Indian Valley | Zone 5b: -15°F to -10°F |
| Inkom | Zone 4b: -25°F to -20°F |
| Iona | Zone 4a: -30°F to -25°F |
| Irwin | Zone 3b: -35°F to -30°F |
| Island Park | Zone 3a: -40°F to -35°F |
| Jerome | Zone 6a: -10°F to -5°F |
| Juliaetta | Zone 6b: -5°F to 0°F |
| Kamiah | Zone 6b: -5°F to 0°F |
| Kellogg | Zone 5b: -15°F to -10°F |
| Kendrick | Zone 6b: -5°F to 0°F |
| Ketchum | Zone 4b: -25°F to -20°F |
| Kilgore | Zone 4a: -30°F to -25°F |
| Kimama | Zone 5b: -15°F to -10°F |
| Kimberly | Zone 6a: -10°F to -5°F |
| King Hill | Zone 6a: -10°F to -5°F |
| Kingsgate | Zone 5b: -15°F to -10°F |
| Kingston | Zone 6a: -10°F to -5°F |
| Kooskia | Zone 6b: -5°F to 0°F |
| Kootenai | Zone 6a: -10°F to -5°F |
| Kuna | Zone 6a: -10°F to -5°F |
| Laclede | Zone 6a: -10°F to -5°F |
| Lake Fork | Zone 4b: -25°F to -20°F |
| Lapwai | Zone 6a: -10°F to -5°F |
| Lava Hot Springs | Zone 4b: -25°F to -20°F |
| Leadore | Zone 4a: -30°F to -25°F |
| Lemhi | Zone 4a: -30°F to -25°F |
| Lenore | Zone 6b: -5°F to 0°F |
| Letha | Zone 6a: -10°F to -5°F |
| Lewiston | Zone 6b: -5°F to 0°F |
| Lewiston Orchards | Zone 6a: -10°F to -5°F |
| Lewisville | Zone 4a: -30°F to -25°F |
| Lincoln | Zone 4a: -30°F to -25°F |
| Lost River | Zone 3b: -35°F to -30°F |
| Lowell | Zone 6a: -10°F to -5°F |
| Lowman | Zone 4b: -25°F to -20°F |
| Lucile | Zone 6b: -5°F to 0°F |
| MacKay | Zone 4a: -30°F to -25°F |
| Macks Inn | Zone 3a: -40°F to -35°F |
| Malad City | Zone 4b: -25°F to -20°F |
| Malta | Zone 5b: -15°F to -10°F |
| Marsing | Zone 6a: -10°F to -5°F |
| May | Zone 4a: -30°F to -25°F |
| McCall | Zone 5b: -15°F to -10°F |
| McCammon | Zone 4b: -25°F to -20°F |
| Medimont | Zone 6a: -10°F to -5°F |
| Melba | Zone 6b: -5°F to 0°F |
| Menan | Zone 4a: -30°F to -25°F |
| Meridian | Zone 6a: -10°F to -5°F |
| Mesa | Zone 5b: -15°F to -10°F |
| Middleton | Zone 6a: -10°F to -5°F |
| Midvale | Zone 5b: -15°F to -10°F |
| Minidoka | Zone 5b: -15°F to -10°F |
| Monteview | Zone 3b: -35°F to -30°F |
| Montpelier | Zone 4a: -30°F to -25°F |
| Moore | Zone 4a: -30°F to -25°F |
| Moreland | Zone 5b: -15°F to -10°F |
| Moscow | Zone 6a: -10°F to -5°F |
| Mountain Home | Zone 6a: -10°F to -5°F |
| Mountain Home AFB | Zone 6a: -10°F to -5°F |
| Moyie Springs | Zone 5b: -15°F to -10°F |
| Mud Lake | Zone 3b: -35°F to -30°F |
| Mullan | Zone 5b: -15°F to -10°F |
| Murphy | Zone 6b: -5°F to 0°F |
| Murray | Zone 5b: -15°F to -10°F |
| Murtaugh | Zone 5b: -15°F to -10°F |
| Nampa | Zone 6a: -10°F to -5°F |
| Naples | Zone 6a: -10°F to -5°F |
| New Meadows | Zone 5b: -15°F to -10°F |
| New Plymouth | Zone 6a: -10°F to -5°F |
| Newdale | Zone 4a: -30°F to -25°F |
| Nezperce | Zone 6a: -10°F to -5°F |
| Nordman | Zone 5b: -15°F to -10°F |
| North Fork | Zone 4b: -25°F to -20°F |
| Notus | Zone 6a: -10°F to -5°F |
| Oakley | Zone 5b: -15°F to -10°F |
| Ola | Zone 5b: -15°F to -10°F |
| Oldtown | Zone 5b: -15°F to -10°F |
| Onaway | Zone 5b: -15°F to -10°F |
| Orofino | Zone 6a: -10°F to -5°F |
| Osburn | Zone 5b: -15°F to -10°F |
| Oxford | Zone 4b: -25°F to -20°F |
| Paris | Zone 4b: -25°F to -20°F |
| Parker | Zone 4a: -30°F to -25°F |
| Parkline | Zone 6a: -10°F to -5°F |
| Parma | Zone 6a: -10°F to -5°F |
| Paul | Zone 5b: -15°F to -10°F |
| Payette | Zone 6a: -10°F to -5°F |
| Peck | Zone 6a: -10°F to -5°F |
| Picabo | Zone 4b: -25°F to -20°F |
| Pierce | Zone 5b: -15°F to -10°F |
| Pinehurst | Zone 6a: -10°F to -5°F |
| Pingree | Zone 5b: -15°F to -10°F |
| Placerville | Zone 5b: -15°F to -10°F |
| Plummer | Zone 6a: -10°F to -5°F |
| Pocatello | Zone 5b: -15°F to -10°F |
| Pollock | Zone 5b: -15°F to -10°F |
| Ponderay | Zone 6a: -10°F to -5°F |
| Porthill | Zone 6a: -10°F to -5°F |
| Post Falls | Zone 6a: -10°F to -5°F |
| Potlatch | Zone 5b: -15°F to -10°F |
| Preston | Zone 4b: -25°F to -20°F |
| Priest River | Zone 5b: -15°F to -10°F |
| Princeton | Zone 5b: -15°F to -10°F |
| Rathdrum | Zone 6a: -10°F to -5°F |
| Red River Hot Springs | Zone 4b: -25°F to -20°F |
| Reubens | Zone 5b: -15°F to -10°F |
| Rexburg | Zone 4a: -30°F to -25°F |
| Reynolds | Zone 6a: -10°F to -5°F |
| Richfield | Zone 5b: -15°F to -10°F |
| Rigby | Zone 4a: -30°F to -25°F |
| Riggins | Zone 5b: -15°F to -10°F |
| Ririe | Zone 4a: -30°F to -25°F |
| Riverside | Zone 5b: -15°F to -10°F |
| Roberts | Zone 4a: -30°F to -25°F |
| Rockford | Zone 5b: -15°F to -10°F |
| Rockford Bay | Zone 6a: -10°F to -5°F |
| Rockland | Zone 5b: -15°F to -10°F |
| Rogerson | Zone 6a: -10°F to -5°F |
| Rupert | Zone 5b: -15°F to -10°F |
| Sagle | Zone 6a: -10°F to -5°F |
| Saint Anthony | Zone 4a: -30°F to -25°F |
| Saint Charles | Zone 4b: -25°F to -20°F |
| Saint Maries | Zone 5b: -15°F to -10°F |
| Salmon | Zone 4b: -25°F to -20°F |
| Samuels | Zone 6a: -10°F to -5°F |
| Sandpoint | Zone 6a: -10°F to -5°F |
| Santa | Zone 5b: -15°F to -10°F |
| Schweitzer Mountain Resort | Zone 6a: -10°F to -5°F |
| Shelley | Zone 4a: -30°F to -25°F |
| Shoshone | Zone 5b: -15°F to -10°F |
| Shoup | Zone 4b: -25°F to -20°F |
| Silver Mountain Ski Area | Zone 5b: -15°F to -10°F |
| Silverton | Zone 5b: -15°F to -10°F |
| Smelterville | Zone 6a: -10°F to -5°F |
| Smiths Falls | Zone 6a: -10°F to -5°F |
| Smiths Ferry | Zone 5b: -15°F to -10°F |
| Snyders | Zone 5b: -15°F to -10°F |
| Soda Springs | Zone 4a: -30°F to -25°F |
| Spalding | Zone 6a: -10°F to -5°F |
| Spencer | Zone 4b: -25°F to -20°F |
| Spirit Lake | Zone 6a: -10°F to -5°F |
| Springfield | Zone 5b: -15°F to -10°F |
| Squirrel | Zone 4b: -25°F to -20°F |
| Stanley | Zone 3a: -40°F to -35°F |
| Star | Zone 6a: -10°F to -5°F |
| State Line | Zone 6a: -10°F to -5°F |
| Stites | Zone 6b: -5°F to 0°F |
| Stone | Zone 5b: -15°F to -10°F |
| Sugar City | Zone 4a: -30°F to -25°F |
| Sun Valley | Zone 4b: -25°F to -20°F |
| Sun Valley Ski Area | Zone 4b: -25°F to -20°F |
| Swan Valley | Zone 4a: -30°F to -25°F |
| Swanlake | Zone 4b: -25°F to -20°F |
| Sweet | Zone 6a: -10°F to -5°F |
| Sweetwater | Zone 6a: -10°F to -5°F |
| Tendoy | Zone 4a: -30°F to -25°F |
| Tensed | Zone 5b: -15°F to -10°F |
| Terreton | Zone 3b: -35°F to -30°F |
| Teton | Zone 4a: -30°F to -25°F |
| Tetonia | Zone 4b: -25°F to -20°F |
| Thatcher | Zone 4b: -25°F to -20°F |
| Three Creek | Zone 5a: -20°F to -15°F |
| Troy | Zone 6a: -10°F to -5°F |
| Twin Falls | Zone 6a: -10°F to -5°F |
| Ucon | Zone 4a: -30°F to -25°F |
| Victor | Zone 3b: -35°F to -30°F |
| Viola | Zone 6a: -10°F to -5°F |
| Wallace | Zone 5b: -15°F to -10°F |
| Wardner | Zone 5b: -15°F to -10°F |
| Warm River | Zone 4a: -30°F to -25°F |
| Warren | Zone 4a: -30°F to -25°F |
| Wayan | Zone 4a: -30°F to -25°F |
| Weippe | Zone 5b: -15°F to -10°F |
| Weiser | Zone 5b: -15°F to -10°F |
| Wendell | Zone 6a: -10°F to -5°F |
| Weston | Zone 4b: -25°F to -20°F |
| White Bird | Zone 6b: -5°F to 0°F |
| Wilder | Zone 6a: -10°F to -5°F |
| Winchester | Zone 5b: -15°F to -10°F |
| Worley | Zone 6a: -10°F to -5°F |
| Wrencoe | Zone 6a: -10°F to -5°F |
| Yellow Pine | Zone 4a: -30°F to -25°F |