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Utah Planting Zones

Utah covers USDA hardiness zones 4a to 8b on the 2023 map. The most common zone is 6a (32% of ZIP codes), where the coldest winter night averages -10 to -5 °F. Salt Lake City is zone 6a–7b, Ogden is zone 6b–7a and Sandy is zone 6b–7b.

Zones in Utah

Share of the state’s ZIP codes in each zone.

4a <1% -30 to -25 °F
5a 1% -20 to -15 °F
5b 10% -15 to -10 °F
6a 32% -10 to -5 °F
6b 17% -5 to 0 °F
7a 18% 0 to 5 °F
7b 18% 5 to 10 °F
8a 2% 10 to 15 °F
8b 3% 15 to 20 °F

Major cities

Salt Lake City 6a–7b
Ogden 6b–7a
Sandy 6b–7b
Provo 6b–7a
Orem 7a
Saint George 8b
Clearfield 7a
Logan 6a
Park City 5b–6a
West Jordan 7b
West Valley City 7b
Bountiful 6b–7a

Every city and town in Utah

Alpine 84004 7a
Altamont 84001 5b
Alton 84710 6a
Altonah 84002 6a
American Fork 84003 6a
Annabella 84711 6a
Antimony 84712 5b
Aurora 84620 6a
Axtell 84621 6a
Bear River City 84301 6b
Beaver 84713 6a
Beryl 84714 5b
Bicknell 84715 6a
Bingham Canyon 84006 7a
Blanding 84511 7a
Bluebell 84007 5b
Bluff 84512 7a
Bonanza 84008 6a
Boulder 84716 7a
Bountiful 84010+ 6b–7a
Brian Head 84719 6a
Brigham City 84302 6b
Bryce 84764 6a
Cache Junction 84304 6a
Cannonville 84718 6a
Castle Dale 84513 6a
Cedar City 84720+ 6b
Cedar Valley 84013 6a
Centerfield 84622 6a
Centerville 84014 6b
Central 84722 6b
Chester 84623 5b
Circleville 84723 5b
Cisco 84515 6b
Clarkston 84305 6a
Clawson 84516 6a
Clearfield 84015+ 7a
Cleveland 84518 6a
Coalville 84017 5b
Collinston 84306 6a
Corinne 84307 6b
Cornish 84308 6a
Croydon 84018 6a
Dammeron Valley 84783 8a
Delta 84624 6a
Deweyville 84309 6b
Draper 84020 7a
Duchesne 84021 6a
Duck Creek Village 84762 6a
Dugway 84022 6b
Dutch John 84023 5b
Eagle Mountain 84005 6b
East Carbon 84520 6b
Echo 84024 6a
Eden 84310 6a
Elberta 84626 6b
Elmo 84521 6a
Elsinore 84724 6a
Emery 84522 6b
Enterprise 84725 7a
Ephraim 84627 6a
Escalante 84726 7a
Eureka 84628 6b
Fairview 84629 5b
Farmington 84025 7b
Fayette 84630 6b
Ferron 84523 6b
Fielding 84311 6a
Fillmore 84631 6a
Fort Duchesne 84026 5b
Fountain Green 84632 5b
Fruitland 84027 6a
Garden City 84028 5a
Garland 84312 6b
Garrison 84728 6a
Glendale 84729 6b
Glenwood 84730 6a
Goshen 84633 6b
Grantsville 84029 7a
Green River 84525 6b
Greenville 84731 6a
Greenwich 84732 5b
Grouse Creek 84313 6b
Gunlock 84733 8a
Gunnison 84634 6a
Hanksville 84734 7a
Hanna 84031 5a
Hatch 84735 6a
Heber City 84032 6a
Helper 84526 6a
Henefer 84033 6a
Henrieville 84736 6b
Herriman 84096 7a
Hildale 84784 7a
Hill Afb 84056 7a
Hinckley 84635 6a
Holden 84636 6a
Honeyville 84314 6b
Hooper 84315 7a
Howell 84316 6a
Huntington 84528 6a
Huntsville 84317 6a
Hurricane 84737 8b
Hyde Park 84318 6a
Hyrum 84319 6a
Ibapah 84034 6b
Ivins 84738 8b
Jensen 84035 5b
Joseph 84739 6a
Junction 84740 6a
Kamas 84036 5b
Kanab 84741 7a
Kanarraville 84742 6b
Kanosh 84637 6b
Kaysville 84037 7b
Kenilworth 84529 6b
Kingston 84743 5b
Koosharem 84744 6a
La Sal 84530 7a
La Verkin 84745 8a
Lake Powell 84533 8a
Laketown 84038 5b
Lapoint 84039 5b
Layton 84040+ 7a
Leamington 84638 6a
Leeds 84746 8b
Lehi 84043 7a
Levan 84639 6a
Lewiston 84320 6a
Lindon 84042 7a
Loa 84747 6a
Logan 84321+ 6a
Lyman 84749 6a
Lynndyl 84640 6a
Magna 84044 7b
Manila 84046 5b
Manti 84642 6a
Mantua 84324 6a
Mapleton 84664 7a
Marysvale 84750 6a
Mayfield 84643 6a
Meadow 84644 6b
Mendon 84325 6a
Mexican Hat 84531 7b
Midvale 84047 7b
Midway 84049 6a
Milford 84751 6a
Millville 84326 6a
Minersville 84752 6a
Moab 84532 7a
Modena 84753 7a
Mona 84645 6b
Monroe 84754 6a
Montezuma Creek 84534 7a
Monticello 84535 6b
Monument Valley 84536 8a
Morgan 84050 6a
Moroni 84646 5b
Mount Carmel 84755 7a
Mount Pleasant 84647 5b
Mountain Home 84051 6a
Myton 84052 5b
Neola 84053 6a
Nephi 84648 6a
New Harmony 84757 7a
Newcastle 84756 5b
Newton 84327 6a
North Salt Lake 84054 7b
Oak City 84649 6b
Oakley 84055 5b
Ogden 84244+ 6b–7a
Orangeville 84537 6a
Orderville 84758 6b
Orem 84057+ 7a
Panguitch 84759 6a
Paradise 84328 6a
Paragonah 84760 6a
Park City 84060+ 5b–6a
Park Valley 84329 6a
Parowan 84761 6a
Payson 84651 6b
Peoa 84061 5b
Pine Valley 84781 6b
Pleasant Grove 84062 7a
Plymouth 84330 6a
Portage 84331 6a
Price 84501 6a
Providence 84332 6a
Provo 84601+ 6b–7a
Randlett 84063 5b
Randolph 84064 4a
Redmond 84652 6a
Richfield 84701 6a
Richmond 84333 6a
Riverside 84334 6b
Riverton 84065 7a
Rockville 84763 8a
Roosevelt 84066 5b
Roy 84067 7a
Rush Valley 84069 6a
Saint George 84770+ 8b
Salem 84653 7a
Salina 84654 6a
Salt Lake City 84101+ 6a–7b
Sandy 84070+ 6b–7b
Santa Clara 84765 8a
Santaquin 84655 6b
Saratoga Springs 84045 7a
Scipio 84656 5b
Sevier 84766 6a
Sigurd 84657 6a
Smithfield 84335 6a
Snowville 84336 6a
South Jordan 84009+ 7a
Spanish Fork 84660 6a
Spring City 84662 6a
Springdale 84767 6b
Springville 84663 6b
Sterling 84665 6a
Stockton 84071 6b
Summit 84772 6b
Sunnyside 84539 6b
Syracuse 84075 7b
Tabiona 84072 6a
Talmage 84073 6a
Teasdale 84773 6a
Thompson 84540 6b
Tooele 84074 7a
Toquerville 84774 8b
Torrey 84775 7a
Tremonton 84337 6b
Trenton 84338 5b
Tridell 84076 5b
Tropic 84776 6a
Vernal 84078+ 5b–6a
Vernon 84080 6b
Veyo 84782 7b
Virgin 84779 6b
Wales 84667 5b
Wallsburg 84082 6a
Washington 84780 8b
Wellington 84542 6a
Wellsville 84339 6a
Wendover 84083 6b
West Jordan 84081+ 7b
West Valley City 84119+ 7b
Whiterocks 84085 6a
Willard 84340 7a
Woodruff 84086 5a
Woods Cross 84087 7b

Other states

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Vermont Virginia Washington West Virginia Wisconsin Wyoming

Zones: 2023 USDA Plant Hardiness Zone Map ZIP code data, USDA Agricultural Research Service and the PRISM Climate Group, Oregon State University (official map). Place names: GeoNames (CC BY 4.0). Each ZIP code gets one zone, but a ZIP code can cross a zone line, and hills, valleys and towns can be warmer or colder than the zone shown.

About the Hardiness Zone Map

The Hardiness Zone Map finds your USDA plant hardiness zone, also called your planting or growing zone, from your ZIP code. Zones are based on the average coldest winter night of the year: each zone is 10 °F wide and split into a and b halves of 5 °F, from zone 1a in Alaska to 13b in Puerto Rico. Plant labels and seed packets give the coldest zone a plant can survive, so knowing your zone tells you which perennials, shrubs and trees can stay outside all winter. Zones come from the official 2023 USDA map ZIP code data for all 50 states, Washington DC and Puerto Rico.

How to use it

1 Enter your 5-digit ZIP code and press Find my zone.
2 Read your zone and the average coldest winter temperature it stands for.
3 Open your state to see its zones and the zone of every city.
4 Choose plants rated for your zone number or a colder (lower) one.

Frequently asked questions

What growing zone is Utah?

Utah spans zones 4a–8b. Zone 6a is the most common, covering 32% of the state's ZIP codes. Enter your ZIP code above for your exact zone.

What planting zone is Salt Lake City, UT?

Salt Lake City is in USDA zone 6a–7b, depending on the ZIP code. Its average coldest winter night is -10 to 10 °F.

What planting zone is Ogden, UT?

Ogden is in USDA zone 6b–7a, depending on the ZIP code. Its average coldest winter night is -5 to 5 °F.

What planting zone is Sandy, UT?

Sandy is in USDA zone 6b–7b, depending on the ZIP code. Its average coldest winter night is -5 to 10 °F.

What is the coldest zone in Utah?

The coldest part of Utah is zone 4a, with winter lows of -30 to -25 °F. The warmest is zone 8b, at 15 to 20 °F.

How are planting zones worked out?

Each zone is a 10 °F band of the average coldest winter night over 1991–2020, split into a and b halves of 5 °F. The map does not show summer heat, rainfall or frost dates, so check local advice before planting.

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