Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 84753 — Modena, UT

ZIP code 84753 (Modena, Iron County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 20 and the first fall frost October 3.

Where ZIP 84753 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 20

First frostOct 3

2012 zone6a

Was 6a on the 2012 map — a full zone warmer now. 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 Modena, 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 Modena, UT

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 20median — 50% chance of a later frost

Safe for tender plantsJune 6only 10% chance of frost after

First fall frostOctober 3median — 10% chance by Sep 22

Growing season136 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 4 and returns around October 12.

From the NOAA station Modena, UT — 12 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 84753

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 8 – Apr 22

SpinachSow outdoors · Apr 8 – Apr 29

Broccoli, cabbageStart indoors · Mar 11 – Mar 25

Broccoli, cabbageTransplant · Apr 29 – May 13

Onion setsPlant outdoors · Apr 22 – May 6

PotatoesPlant outdoors · Apr 29 – May 13

LettuceSow outdoors · Apr 22 – May 6

Carrots, beetsSow outdoors · Apr 29 – May 13

TomatoesStart indoors · Mar 25 – Apr 8

TomatoesTransplant · May 27 – Jun 10

Peppers, eggplantStart indoors · Mar 11 – Mar 25

Peppers, eggplantTransplant · Jun 3 – Jun 17

BeansSow outdoors · May 27 – Jun 10

Sweet cornSow outdoors · May 27 – Jun 10

Cucumbers, squashSow outdoors · May 27 – Jun 10

Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22

GarlicPlant cloves · Sep 19 – Oct 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 20) and first fall frost (Oct 3) 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 84753 came on Mar 13 — 21 days earlier than the 1991–2020 average (Apr 3).

average
Apr 32026
Mar 13

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.

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 Modena, UT.

Soil in Modena, UT

The soil mapped at the center of ZIP 84753 is Vennob — very gravelly loam, well drained.

TextureVery gravelly loama good balance for most vegetables

pH7.2neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter2.5%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Vennob-Bodacious-Rock outcrop association, 15 to 50 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 84753; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Modena, UT

Summer high93 °Faverage high, July

Winter low16 °Faverage low, December

Hot days52days a year at 90 °F or more

Freezing nights184nights a year at 32 °F or less

Growing degree days2,771base 50 °F — the season’s usable heat

Longest day14 h 48 mindaylight on June 21

Shortest day9 h 32 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation13.1 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Modena, UT (12 mi away); precipitation: Spring Valley Sp, NV (18 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

847145b

Beryl, UT · 10 mi

847565b

Newcastle, UT · 23 mi

890427a

Panaca, NV · 30 mi

847257a

Enterprise, UT · 30 mi

Cedar City, UT · 40 mi

847827b

Veyo, UT · 42 mi

Utah planting zones →

Questions about 84753

What planting zone is ZIP code 84753?

ZIP code 84753 (Modena, 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 Modena, UT?

The median last spring frost (32 °F) near 84753 is May 20; after June 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Modena station.

When is the first frost in Modena, UT?

The median first fall frost near 84753 is October 3, giving a median frost-free growing season of 136 days.

When should I plant tomatoes in 84753?

Start tomato seeds indoors around Mar 25 – Apr 8 and set transplants outside around May 27 – Jun 10, one to three weeks after the median last frost.

How much rain and snow does 84753 get?

About 13.1 inches of precipitation a year (NOAA 1991–2020 normals, Spring Valley Sp station).

How hot do summers get in Modena, UT?

The average high peaks at 93 °F in July, with about 52 days a year at 90 °F or more.

What kind of soil does 84753 have?

The USDA soil survey maps Vennob at the center of ZIP 84753: very gravelly loam, well drained, pH about 7.2 (neutral).

Did spring come early in Modena, UT in 2026?

Spring leaf-out near 84753 came on Mar 13 in 2026, 21 days earlier than the 1991–2020 average (Apr 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Modena, UT?

Intermediate onions: the longest day near 84753 is 14 h 48 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 84753 change?

Yes. The 2012 USDA map put 84753 in zone 6a; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.