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

Planting zone for 84059 — Orem, UT

ZIP code 84059 (Orem, Utah County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 19 and the first fall frost October 19.

Where ZIP 84059 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 frostApr 19
First frostOct 19
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 Orem, 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 Orem, UT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 19median — 50% chance of a later frost
Safe for tender plantsMay 9only 10% chance of frost after
First fall frostOctober 19median — 10% chance by Oct 5
Growing season182 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 1 and returns around October 31.

From the NOAA station Orem Trtmt Plt, UT — 2 miles away, elevation 4,511 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 84059

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 8 – Mar 22
SpinachSow outdoors · Mar 8 – Mar 29
Broccoli, cabbageStart indoors · Feb 8 – Feb 22
Broccoli, cabbageTransplant · Mar 29 – Apr 12
Onion setsPlant outdoors · Mar 22 – Apr 5
PotatoesPlant outdoors · Mar 29 – Apr 12
LettuceSow outdoors · Mar 22 – Apr 5
Carrots, beetsSow outdoors · Mar 29 – Apr 12
TomatoesStart indoors · Feb 22 – Mar 8
TomatoesTransplant · Apr 26 – May 10
Peppers, eggplantStart indoors · Feb 8 – Feb 22
Peppers, eggplantTransplant · May 3 – May 17
BeansSow outdoors · Apr 26 – May 10
Sweet cornSow outdoors · Apr 26 – May 10
Cucumbers, squashSow outdoors · Apr 26 – May 10
Fall lettuce, spinachSow outdoors · Aug 24 – Sep 7
GarlicPlant cloves · Oct 5 – Nov 9
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 19) and first fall frost (Oct 19) 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 84059 came on Mar 2 — 22 days earlier than the 1991–2020 average (Mar 24).

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 Orem, UT.

Soil in Orem, UT

The soil mapped at the center of ZIP 84059 is Holdaway — silt loam, poorly drained.

TextureSilt loama good balance for most vegetables
pH7.9alkaline; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Holdaway silt loam.

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 84059; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Orem, UT

Summer high93 °Faverage high, July
Winter low20 °Faverage low, January
Hot days56days a year at 90 °F or more
Freezing nights108nights a year at 32 °F or less
Growing degree days3,465base 50 °F — the season’s usable heat
Longest day15 h 03 mindaylight on June 21
Shortest day9 h 18 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
Snowfall41 inper year; 33 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 38 °F, low 20 °F 38°20° JanFebruary: average high 45 °F, low 26 °F 45°26° FebMarch: average high 56 °F, low 33 °F 56°33° MarApril: average high 64 °F, low 39 °F 64°39° AprMay: average high 74 °F, low 48 °F 74°48° MayJune: average high 86 °F, low 57 °F 86°57° JunJuly: average high 93 °F, low 64 °F 93°64° JulAugust: average high 90 °F, low 62 °F 90°62° AugSeptember: average high 80 °F, low 52 °F 80°52° SepOctober: average high 65 °F, low 40 °F 65°40° OctNovember: average high 49 °F, low 30 °F 49°30° NovDecember: average high 38 °F, low 22 °F 38°22° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.97 in precipitation, 11.5 in snowfall 2.0❄12 JanFebruary: 1.60 in precipitation, 8.3 in snowfall 1.6❄8 FebMarch: 1.56 in precipitation, 3.9 in snowfall 1.6❄4 MarApril: 1.98 in precipitation, 2.8 in snowfall 2.0❄3 AprMay: 2.01 in precipitation, 0.3 in snowfall 2.0 MayJune: 0.86 in precipitation 0.9 JunJuly: 0.59 in precipitation 0.6 JulAugust: 0.76 in precipitation 0.8 AugSeptember: 1.08 in precipitation 1.1 SepOctober: 1.39 in precipitation, 0.8 in snowfall 1.4❄1 OctNovember: 1.18 in precipitation, 3.5 in snowfall 1.2❄4 NovDecember: 1.45 in precipitation, 10.3 in snowfall 1.4❄10 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Orem Trtmt Plt, UT (2 mi away); precipitation: Pleasant Grove, UT (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

840577a
Orem, UT · 2 mi
840587a
Orem, UT · 3 mi
840427a
Lindon, UT · 3 mi
840977a
Orem, UT · 4 mi
846017a
Provo, UT · 6 mi
840627a
Pleasant Grove, UT · 7 mi
846067a
Provo, UT · 9 mi
846046b
Provo, UT · 9 mi

All 4 ZIP codes in Orem → · Utah planting zones →

Questions about 84059

What planting zone is ZIP code 84059?

ZIP code 84059 (Orem, 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 Orem, UT?

The median last spring frost (32 °F) near 84059 is April 19; after May 9 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Orem Trtmt Plt station.

When is the first frost in Orem, UT?

The median first fall frost near 84059 is October 19, giving a median frost-free growing season of 182 days.

When should I plant tomatoes in 84059?

Start tomato seeds indoors around Feb 22 – Mar 8 and set transplants outside around Apr 26 – May 10, one to three weeks after the median last frost.

How much rain and snow does 84059 get?

About 16.4 inches of precipitation a year and 41 inches of snowfall (NOAA 1991–2020 normals, Pleasant Grove station).

How hot do summers get in Orem, UT?

The average high peaks at 93 °F in July, with about 56 days a year at 90 °F or more.

What kind of soil does 84059 have?

The USDA soil survey maps Holdaway at the center of ZIP 84059: silt loam, poorly drained, pH about 7.9 (alkaline).

Did spring come early in Orem, UT in 2026?

Spring leaf-out near 84059 came on Mar 2 in 2026, 22 days earlier than the 1991–2020 average (Mar 24), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Orem, UT?

Long-day onions: the longest day near 84059 is 15 h 03 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).