Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 84755 — Mount Carmel, UT

ZIP code 84755 (Mount Carmel, Kane County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 15 and the first fall frost October 8.

Where ZIP 84755 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostMay 15
First frostOct 8
2012 zone7a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mount Carmel, UT…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Mount Carmel, UT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 15median — 50% chance of a later frost
Safe for tender plantsJune 4only 10% chance of frost after
First fall frostOctober 8median — 10% chance by Sep 26
Growing season144 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 18.

From the NOAA station Orderville, UT — 9 miles away, elevation 5,460 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 84755

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 3 – Apr 17
SpinachSow outdoors · Apr 3 – Apr 24
Broccoli, cabbageStart indoors · Mar 6 – Mar 20
Broccoli, cabbageTransplant · Apr 24 – May 8
Onion setsPlant outdoors · Apr 17 – May 1
PotatoesPlant outdoors · Apr 24 – May 8
LettuceSow outdoors · Apr 17 – May 1
Carrots, beetsSow outdoors · Apr 24 – May 8
TomatoesStart indoors · Mar 20 – Apr 3
TomatoesTransplant · May 22 – Jun 5
Peppers, eggplantStart indoors · Mar 6 – Mar 20
Peppers, eggplantTransplant · May 29 – Jun 12
BeansSow outdoors · May 22 – Jun 5
Sweet cornSow outdoors · May 22 – Jun 5
Cucumbers, squashSow outdoors · May 22 – Jun 5
Fall lettuce, spinachSow outdoors · Aug 13 – Aug 27
GarlicPlant cloves · Sep 24 – Oct 29
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 15) and first fall frost (Oct 8) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 84755 came on Mar 2 — 13 days earlier than the 1991–2020 average (Mar 15).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 7a in Utah

561 plants native to the lower 48 states, recorded in Utah, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 30

American beech80 ft · blooms mid spring · low shade tolerance · to −44 °FArizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblack walnut100 ft · blooms late spring · high shade tolerance · to −28 °F

Shrubs 112

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °F

Wildflowers & perennials 254

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °F

Grasses 154

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAlpine Meadow-Foxtail0.5 ft · blooms mid spring · medium shade tolerance · to −33 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic bluegrass2 ft · high shade tolerance · to −62 °F

Vines 3

trumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °Fwestern white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Mount Carmel, UT.

Soil in Mount Carmel, UT

The soil mapped at the center of ZIP 84755 is Parkwash — sand, excessively drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter0.5%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Parkwash-Rock outcrop-Aridic Lithic Ustorthents complex, Navajo Sandstone, 35 to 90 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 84755; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mount Carmel, UT

Summer high91 °Faverage high, July
Winter low19 °Faverage low, January
Hot days62days a year at 90 °F or more
Freezing nights165nights a year at 32 °F or less
Growing degree days2,791base 50 °F — the season’s usable heat
Longest day14 h 44 mindaylight on June 21
Shortest day9 h 36 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation16.3 inper year, rain and melted snow
Snowfall4 inper year; 2 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 48 °F, low 19 °F 48°19° JanFebruary: average high 50 °F, low 23 °F 50°23° FebMarch: average high 59 °F, low 28 °F 59°28° MarApril: average high 65 °F, low 32 °F 65°32° AprMay: average high 75 °F, low 40 °F 75°40° MayJune: average high 86 °F, low 48 °F 86°48° JunJuly: average high 91 °F, low 55 °F 91°55° JulAugust: average high 89 °F, low 54 °F 89°54° AugSeptember: average high 82 °F, low 47 °F 82°47° SepOctober: average high 69 °F, low 36 °F 69°36° OctNovember: average high 57 °F, low 26 °F 57°26° NovDecember: average high 48 °F, low 19 °F 48°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.99 in precipitation, 0.7 in snowfall 2.0❄1 JanFebruary: 2.06 in precipitation, 0.8 in snowfall 2.1❄1 FebMarch: 2.01 in precipitation, 0.7 in snowfall 2.0❄1 MarApril: 1.22 in precipitation 1.2 AprMay: 0.77 in precipitation 0.8 MayJune: 0.23 in precipitation 0.2 JunJuly: 1.15 in precipitation 1.1 JulAugust: 1.63 in precipitation 1.6 AugSeptember: 1.17 in precipitation 1.2 SepOctober: 1.22 in precipitation 1.2 OctNovember: 1.18 in precipitation, 0.1 in snowfall 1.2 NovDecember: 1.64 in precipitation, 1.7 in snowfall 1.6❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Orderville, UT (9 mi away); precipitation: Zion Np, UT (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

7 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

847586b
Orderville, UT · 7 mi
847676b
Springdale, UT · 11 mi
847296b
Glendale, UT · 13 mi
847638a
Rockville, UT · 17 mi
847847a
Hildale, UT · 18 mi
847626a
Duck Creek Village, UT · 19 mi
847796b
Virgin, UT · 20 mi
847106a
Alton, UT · 23 mi

Utah planting zones →

Questions about 84755

What planting zone is ZIP code 84755?

ZIP code 84755 (Mount Carmel, UT) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Mount Carmel, UT?

The median last spring frost (32 °F) near 84755 is May 15; after June 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Orderville station.

When is the first frost in Mount Carmel, UT?

The median first fall frost near 84755 is October 8, giving a median frost-free growing season of 144 days.

When should I plant tomatoes in 84755?

Start tomato seeds indoors around Mar 20 – Apr 3 and set transplants outside around May 22 – Jun 5, one to three weeks after the median last frost.

How much rain and snow does 84755 get?

About 16.3 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Zion Np station).

How hot do summers get in Mount Carmel, UT?

The average high peaks at 91 °F in July, with about 62 days a year at 90 °F or more.

What kind of soil does 84755 have?

The USDA soil survey maps Parkwash at the center of ZIP 84755: sand, excessively drained, pH about 7.0 (neutral).

Did spring come early in Mount Carmel, UT in 2026?

Spring leaf-out near 84755 came on Mar 2 in 2026, 13 days earlier than the 1991–2020 average (Mar 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mount Carmel, UT?

Intermediate onions: the longest day near 84755 is 14 h 44 min, so day-neutral types bulb best; long-day varieties may not bulb fully.