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

Planting zone for 84061 — Peoa, UT

ZIP code 84061 (Peoa, Summit County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is June 11 and the first fall frost September 12.

Where ZIP 84061 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.

Zone5b−15 to −10 °F

Coldest night−26.1 to −23.3 °C

Last frostJun 11

First frostSep 12

2012 zone5b

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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Peoa, 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 Peoa, UT

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostJune 11median — 50% chance of a later frost

Safe for tender plantsJune 30only 10% chance of frost after

First fall frostSeptember 12median — 10% chance by Aug 28

Growing season92 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 26 and returns around September 23.

From the NOAA station Wanship Dam, UT — 5 miles away, elevation 5,942 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 84061

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 30 – May 14

SpinachSow outdoors · Apr 30 – May 21

Broccoli, cabbageStart indoors · Apr 2 – Apr 16

Broccoli, cabbageTransplant · May 21 – Jun 4

Onion setsPlant outdoors · May 14 – May 28

PotatoesPlant outdoors · May 21 – Jun 4

LettuceSow outdoors · May 14 – May 28

Carrots, beetsSow outdoors · May 21 – Jun 4

TomatoesStart indoors · Apr 16 – Apr 30

TomatoesTransplant · Jun 18 – Jul 2

Peppers, eggplantStart indoors · Apr 2 – Apr 16

Peppers, eggplantTransplant · Jun 25 – Jul 9

BeansSow outdoors · Jun 18 – Jul 2

Sweet cornSow outdoors · Jun 18 – Jul 2

Cucumbers, squashSow outdoors · Jun 18 – Jul 2

Fall lettuce, spinachSow outdoors · Jul 18 – Aug 1

GarlicPlant cloves · Aug 29 – Oct 3

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 11) and first fall frost (Sep 12) 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 84061 came on Mar 25 — 28 days earlier than the 1991–2020 average (Apr 22).

average
Apr 222026
Mar 25

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 5b in Utah

517 plants native to the lower 48 states, recorded in Utah, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. 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 Peoa, UT.

Soil in Peoa, UT

The soil mapped at the center of ZIP 84061 is Dunford — cobbly loam, well drained.

TextureCobbly loama good balance for most vegetables

pH7.0neutral; 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: Dunford-Ayoub-Melling complex, 30 to 60 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 84061; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Peoa, UT

Summer high87 °Faverage high, July

Winter low13 °Faverage low, January

Hot days32days a year at 90 °F or more

Freezing nights193nights a year at 32 °F or less

Growing degree days1,868base 50 °F — the season’s usable heat

Longest day15 h 06 mindaylight on June 21

Shortest day9 h 15 mindaylight on December 21

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

Precipitation16.4 inper year, rain and melted snow

Snowfall72 inper year; 82 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wanship Dam, UT (5 mi away); precipitation: Wanship Dam, UT (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

840555b

Oakley, UT · 9 mi

840985b

Park City, UT · 11 mi

840685b

Park City, UT · 12 mi

840606a

Park City, UT · 13 mi

840175b

Coalville, UT · 14 mi

Utah planting zones →

Questions about 84061

What planting zone is ZIP code 84061?

ZIP code 84061 (Peoa, UT) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Peoa, UT?

The median last spring frost (32 °F) near 84061 is June 11; after June 30 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wanship Dam station.

When is the first frost in Peoa, UT?

The median first fall frost near 84061 is September 12, giving a median frost-free growing season of 92 days.

When should I plant tomatoes in 84061?

Start tomato seeds indoors around Apr 16 – Apr 30 and set transplants outside around Jun 18 – Jul 2, one to three weeks after the median last frost.

How much rain and snow does 84061 get?

About 16.4 inches of precipitation a year and 72 inches of snowfall (NOAA 1991–2020 normals, Wanship Dam station).

How hot do summers get in Peoa, UT?

The average high peaks at 87 °F in July, with about 32 days a year at 90 °F or more.

What kind of soil does 84061 have?

The USDA soil survey maps Dunford at the center of ZIP 84061: cobbly loam, well drained, pH about 7.0 (neutral).

Did spring come early in Peoa, UT in 2026?

Spring leaf-out near 84061 came on Mar 25 in 2026, 28 days earlier than the 1991–2020 average (Apr 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Peoa, UT?

Long-day onions: the longest day near 84061 is 15 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).