There are 11 Planting Zones in Utah ranging from zone 4a to zone 9a, according to the USDA.
A planting zone is a geographical area as defined by USDA based on average annual minimum winter temperatures, which helps gardeners decide which plants are most likely to grow in their specific location.
You can find your Utah planting zone by using our ZIP code tool or the Utah city planting zone map. Both tools, provided below in the post, will help you determine your exact USDA growing zone.
Search Utah Planting Zones by ZipCode
Planting Zones Utah Map
Please select or type your Utah city in the selection box below. You can change mapview by Toggling layers from the top right corner button in the map.
Planting Zones
Planting Zones
What are the 11 planting zones in Utah?

Utah’s diverse landscape covers 11 distinct planting zones, ranging from the coldest Zone 4a to the warmest Zone 9a.
1. Zone 4a
This zone, represented by the darkest purple color on the map above, is the coldest in Utah with average annual minimum temperatures ranging from -30°F to -25°F (-34.4°C to -31.7°C). It’s primarily found in small pockets of the highest elevations in northern Utah. The city of Randolph in Rich County falls within this zone.
2. Zone 4b
Shown in a slightly lighter shade of purple color on our map, Zone 4b experiences average annual minimum temperatures between -25°F and -20°F (-31.7°C to -28.9°C). This zone is found in the higher elevations of northern Utah, including areas around Uintas wilderness.
3. Zone 5a
Depicted in the lightest shade of purple color on our map, Zone 5a has average annual minimum temperatures from -20°F to -15°F (-28.9°C to -26.1°C). It covers larger areas in northern Utah, including parts of Rich County and higher elevations in the Wasatch Range. Cities like Woodruff fall within this zone.
4. Zone 5b
This zone, shown in dark blue color on our map shown above, covers significant portions of northern and central Utah, with average annual minimum temperatures ranging from -15°F to -10°F (-26.1°C to -23.3°C). It includes many cities in higher elevations such as Park City, Kamas, and Oakley.
5. Zone 6a
Represented by a medium blue on the map, Zone 6a experiences average annual minimum temperatures between -10°F and -5°F (-23.3°C to -20.6°C). This zone is widespread across central Utah and includes cities like Logan, Nephi, and Price.
6. Zone 6b
Shown in light blue color on our map, Zone 6b covers large areas of central and northern Utah, with average annual minimum temperatures from -5°F to 0°F (-20.6°C to -17.8°C). Some key cities in this zone are Deweyville, Thompson, and Cedar City.
7. Zone 7a
The dark green color area on our map, Zone 7a has average annual minimum temperatures between 0°F and 5°F (-17.8°C to -15°C). This zone is found in lower elevations of northern Utah and parts of central Utah. Cities like Salt Lake City, Bountiful, and Moab fall within this zone.
8. Zone 7b
Shown in medium green color on our map, Zone 7b experiences average annual minimum temperatures from 5°F to 10°F (-15°C to -12.2°C). This zone is primarily found in the lower elevations of northern Utah and some southern areas. Cities such as Farmington and West Jordan are located in this zone.
9. Zone 8a
Represented by light green color on the map above, Zone 8a has average annual minimum temperatures between 10°F and 15°F (-12.2°C to -9.4°C). This zone is mainly found in southwestern Utah, including areas around Dammeron Valley and parts of Washington County.
10. Zone 8b
The area with light green color on our map, Zone 8b experiences average annual minimum temperatures from 15°F to 20°F (-9.4°C to -6.7°C). This zone is limited to the warmest parts of southwestern Utah, including cities like Hurricane and Ivins.
11. Zone 9a
The warmest zone in Utah, shown in bright yellow color on our map above, Zone 9a has average annual minimum temperatures between 20°F and 25°F (-6.7°C to -3.9°C). This zone is found in the lowest elevations of southwestern Utah, primarily in Washington County. It includes some of the warmest areas near Beaver Dam Wash National conservation area.
Planting Zones in Utah with Cities
USDA hardiness zones for Utah cities, towns and counties. Data Source: USDA
Planting Zones in Utah | Temp Range (°F) | Cities |
---|---|---|
5b | -15 to -10 | Altamont, Antimony, Beryl, Bluebell, Chester, Circleville, Coalville, Dutch John, Fairview, Fort Duchesne, Fountain Green, Greenwich, Jensen, Kamas, Kingston, Laketown, Lapoint, Manila, Moroni, Mount Pleasant, Myton, Newcastle, Oakley, Park City, Peoa, Randlett, Roosevelt, Scipio, Trenton, Tridell, Vernal, Wales |
6a | -10 to -5 | Alton, Altonah, American Fork, Annabella, Aurora, Axtell, Beaver, Bicknell, Bonanza, Brian Head, Bryce, Cache Junction, Cannonville, Castle Dale, Cedar Valley, Centerfield, Clarkston, Clawson, Cleveland, Collinston, Cornish, Croydon, Delta, Duchesne, Duck Creek Village, Echo, Eden, Elmo, Elsinore, Ephraim, Fielding, Fillmore, Fruitland, Garrison, Glenwood, Greenville, Gunnison, Hatch, Heber City, Helper, Henefer, Hinckley, Holden, Howell, Huntington, Huntsville, Hyde Park, Hyrum, Joseph, Junction, Koosharem, Leamington, Levan, Lewiston, Loa, Logan, Lyman, Lynndyl, Manti, Mantua, Marysvale, Mayfield, Mendon, Midway, Milford, Millville, Minersville, Monroe, Morgan, Mountain Home, Neola, Nephi, Newton, Orangeville, Panguitch, Paradise, Paragonah, Park City, Park Valley, Parowan, Plymouth, Portage, Price, Providence, Redmond, Richfield, Richmond, Rush Valley, Salina, Salt Lake City, Sevier, Sigurd, Smithfield, Snowville, Spanish Fork, Spring City, Sterling, Tabiona, Talmage, Teasdale, Tropic, Vernal, Wallsburg, Wellington, Wellsville, Whiterocks |
7a | 0 to 5 | Alpine, Bingham Canyon, Blanding, Bluff, Boulder, Bountiful, Clearfield, Draper, Enterprise, Escalante, Grantsville, Hanksville, Herriman, Hildale, Hill Afb, Hooper, Kanab, La Sal, Layton, Lehi, Lindon, Mapleton, Moab, Modena, Montezuma Creek, Mount Carmel, New Harmony, Ogden, Orem, Pleasant Grove, Provo, Riverton, Roy, Salem, Salt Lake City, Saratoga Springs, South Jordan, Tooele, Torrey, Willard |
6b | -5 to 0 | Bear River City, Bountiful, Brigham City, Cedar City, Centerville, Central, Cisco, Corinne, Deweyville, Dugway, Eagle Mountain, East Carbon, Elberta, Emery, Eureka, Fayette, Ferron, Garland, Glendale, Goshen, Green River, Grouse Creek, Henrieville, Honeyville, Ibapah, Kanarraville, Kanosh, Kenilworth, Meadow, Mona, Monticello, Oak City, Ogden, Orderville, Payson, Pine Valley, Provo, Riverside, Salt Lake City, Sandy, Santaquin, Springdale, Springville, Stockton, Summit, Sunnyside, Thompson, Tremonton, Vernon, Virgin, Wendover |
7b | 5 to 10 | Farmington, Kaysville, Magna, Mexican Hat, Midvale, North Salt Lake, Salt Lake City, Sandy, Syracuse, Veyo, West Jordan, Woods Cross |
5a | -20 to -15 | Garden City, Hanna, Woodruff |
4a | -30 to -25 | Randolph |
8a | 10 to 15 | Dammeron Valley, Gunlock, La Verkin, Lake Powell, Monument Valley, Rockville, Santa Clara |
8b | 15 to 20 | Hurricane, Ivins, Leeds, Saint George, Toquerville, Washington |
5 best plants for Utah?
For Utah’s diverse planting zones 2024, ranging from 4a to 9a, the five best plants that thrive across multiple zones, are:
- Zone 4a: Hummingbird Fuchsia (Fuchsia magellanica) – Hardy and attracts pollinators.
- Zone 5b: Bee Balm (Monarda didyma) – Known for its vibrant flowers and pollinator attraction.
- Zone 6a: Daylily (Hemerocallis spp.) – Resilient and blooms profusely in summer.
- Zone 7b: Blanket Flower (Gaillardia spp.) – Drought-tolerant with bright, long-lasting blooms.
- Zone 9a: Lavender (Lavandula spp.) – Thrives in hot, dry conditions and is highly aromatic.