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

Planting zone for 84050 — Morgan, UT

ZIP code 84050 (Morgan, Morgan County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 25 and the first fall frost September 24.

Where ZIP 84050 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.

Zone6a−10 to −5 °F

Coldest night−23.3 to −20.6 °C

Last frostMay 25

First frostSep 24

2012 zone5b

Was 5b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Morgan, 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 Morgan, UT

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 25median — 50% chance of a later frost

Safe for tender plantsJune 13only 10% chance of frost after

First fall frostSeptember 24median — 10% chance by Sep 11

Growing season119 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 8 and returns around October 4.

From the NOAA station Morgan, UT — 2 miles away, elevation 5,102 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 84050

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 13 – Apr 27

SpinachSow outdoors · Apr 13 – May 4

Broccoli, cabbageStart indoors · Mar 16 – Mar 30

Broccoli, cabbageTransplant · May 4 – May 18

Onion setsPlant outdoors · Apr 27 – May 11

PotatoesPlant outdoors · May 4 – May 18

LettuceSow outdoors · Apr 27 – May 11

Carrots, beetsSow outdoors · May 4 – May 18

TomatoesStart indoors · Mar 30 – Apr 13

TomatoesTransplant · Jun 1 – Jun 15

Peppers, eggplantStart indoors · Mar 16 – Mar 30

Peppers, eggplantTransplant · Jun 8 – Jun 22

BeansSow outdoors · Jun 1 – Jun 15

Sweet cornSow outdoors · Jun 1 – Jun 15

Cucumbers, squashSow outdoors · Jun 1 – Jun 15

Fall lettuce, spinachSow outdoors · Jul 30 – Aug 13

GarlicPlant cloves · Sep 10 – Oct 15

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 25) and first fall frost (Sep 24) 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 84050 came on Mar 19 — 21 days earlier than the 1991–2020 average (Apr 9).

average
Apr 92026
Mar 19

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 6a in Utah

546 plants native to the lower 48 states, recorded in Utah, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 Morgan, UT.

Soil in Morgan, UT

The soil mapped at the center of ZIP 84050 is Etchen — very cobbly loam, well drained.

TextureVery cobbly loama good balance for most vegetables

pH7.2neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter4%moderate

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Etchen very cobbly loam, 25 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 84050; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Morgan, UT

Summer high92 °Faverage high, July

Winter low14 °Faverage low, January

Hot days48days a year at 90 °F or more

Freezing nights181nights a year at 32 °F or less

Growing degree days2,331base 50 °F — the season’s usable heat

Longest day15 h 08 mindaylight on June 21

Shortest day9 h 13 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation17.1 inper year, rain and melted snow

Snowfall55 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Morgan, UT (2 mi away); precipitation: Morgan, UT (2 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.

840336a

Henefer, UT · 9 mi

840146b

Centerville, UT · 11 mi

840246a

Echo, UT · 11 mi

840257b

Farmington, UT · 13 mi

840407a

Layton, UT · 13 mi

840106b

Bountiful, UT · 14 mi

840117a

Bountiful, UT · 15 mi

840377b

Kaysville, UT · 15 mi

Utah planting zones →

Questions about 84050

What planting zone is ZIP code 84050?

ZIP code 84050 (Morgan, UT) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Morgan, UT?

The median last spring frost (32 °F) near 84050 is May 25; after June 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Morgan station.

When is the first frost in Morgan, UT?

The median first fall frost near 84050 is September 24, giving a median frost-free growing season of 119 days.

When should I plant tomatoes in 84050?

Start tomato seeds indoors around Mar 30 – Apr 13 and set transplants outside around Jun 1 – Jun 15, one to three weeks after the median last frost.

How much rain and snow does 84050 get?

About 17.1 inches of precipitation a year and 55 inches of snowfall (NOAA 1991–2020 normals, Morgan station).

How hot do summers get in Morgan, UT?

The average high peaks at 92 °F in July, with about 48 days a year at 90 °F or more.

What kind of soil does 84050 have?

The USDA soil survey maps Etchen at the center of ZIP 84050: very cobbly loam, well drained, pH about 7.2 (neutral).

Did spring come early in Morgan, UT in 2026?

Spring leaf-out near 84050 came on Mar 19 in 2026, 21 days earlier than the 1991–2020 average (Apr 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Morgan, UT?

Long-day onions: the longest day near 84050 is 15 h 08 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 84050 change?

Yes. The 2012 USDA map put 84050 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.