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

Planting zone for 84087 — Woods Cross, UT

ZIP code 84087 (Woods Cross, Davis County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 24 and the first fall frost October 19.

Where ZIP 84087 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 24
First frostOct 19
2012 zone7b

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 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Woods Cross, 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 Woods Cross, UT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 24median — 50% chance of a later frost
Safe for tender plantsMay 14only 10% chance of frost after
First fall frostOctober 19median — 10% chance by Oct 5
Growing season178 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 7 and returns around November 1.

From the NOAA station Bountiful-Val Verda, UT — 3 miles away, elevation 4,541 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 84087

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 13 – Mar 27
SpinachSow outdoors · Mar 13 – Apr 3
Broccoli, cabbageStart indoors · Feb 13 – Feb 27
Broccoli, cabbageTransplant · Apr 3 – Apr 17
Onion setsPlant outdoors · Mar 27 – Apr 10
PotatoesPlant outdoors · Apr 3 – Apr 17
LettuceSow outdoors · Mar 27 – Apr 10
Carrots, beetsSow outdoors · Apr 3 – Apr 17
TomatoesStart indoors · Feb 27 – Mar 13
TomatoesTransplant · May 1 – May 15
Peppers, eggplantStart indoors · Feb 13 – Feb 27
Peppers, eggplantTransplant · May 8 – May 22
BeansSow outdoors · May 1 – May 15
Sweet cornSow outdoors · May 1 – May 15
Cucumbers, squashSow outdoors · May 1 – May 15
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 24) 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 84087 came on Mar 9 — 12 days earlier than the 1991–2020 average (Mar 21).

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).

Soil in Woods Cross, UT

The soil mapped at the center of ZIP 84087 is Arave — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH8.6alkaline; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Arave-Saltair complex, 0 to 1 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 84087; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Woods Cross, UT

Summer high91 °Faverage high, July
Winter low22 °Faverage low, January
Hot days41days a year at 90 °F or more
Freezing nights118nights a year at 32 °F or less
Growing degree days3,174base 50 °F — the season’s usable heat
Longest day15 h 07 mindaylight on June 21
Shortest day9 h 14 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation22.6 inper year, rain and melted snow
Snowfall52 inper year; 64 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 22 °F 38°22° JanFebruary: average high 43 °F, low 26 °F 43°26° FebMarch: average high 53 °F, low 33 °F 53°33° MarApril: average high 60 °F, low 38 °F 60°38° AprMay: average high 70 °F, low 47 °F 70°47° MayJune: average high 81 °F, low 55 °F 81°55° JunJuly: average high 91 °F, low 63 °F 91°63° JulAugust: average high 89 °F, low 61 °F 89°61° AugSeptember: average high 78 °F, low 52 °F 78°52° SepOctober: average high 64 °F, low 40 °F 64°40° OctNovember: average high 50 °F, low 31 °F 50°31° NovDecember: average high 39 °F, low 23 °F 39°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 1.99 in precipitation, 12 in snowfall 2.0❄12 JanFebruary: 1.91 in precipitation, 11.9 in snowfall 1.9❄12 FebMarch: 2.30 in precipitation, 6.6 in snowfall 2.3❄7 MarApril: 3.31 in precipitation, 3 in snowfall 3.3❄3 AprMay: 2.64 in precipitation 2.6 MayJune: 1.33 in precipitation 1.3 JunJuly: 0.82 in precipitation 0.8 JulAugust: 0.89 in precipitation 0.9 AugSeptember: 1.54 in precipitation 1.5 SepOctober: 2.05 in precipitation, 0.6 in snowfall 2.0❄1 OctNovember: 1.90 in precipitation, 6.5 in snowfall 1.9❄7 NovDecember: 1.96 in precipitation, 11.8 in snowfall 2.0❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bountiful-Val Verda, UT (3 mi away); precipitation: Bountiful-Val Verda, UT (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Utah planting zones →

Questions about 84087

What planting zone is ZIP code 84087?

ZIP code 84087 (Woods Cross, UT) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Woods Cross, UT?

The median last spring frost (32 °F) near 84087 is April 24; after May 14 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bountiful-Val Verda station.

When is the first frost in Woods Cross, UT?

The median first fall frost near 84087 is October 19, giving a median frost-free growing season of 178 days.

When should I plant tomatoes in 84087?

Start tomato seeds indoors around Feb 27 – Mar 13 and set transplants outside around May 1 – May 15, one to three weeks after the median last frost.

How much rain and snow does 84087 get?

About 22.6 inches of precipitation a year and 52 inches of snowfall (NOAA 1991–2020 normals, Bountiful-Val Verda station).

How hot do summers get in Woods Cross, UT?

The average high peaks at 91 °F in July, with about 41 days a year at 90 °F or more.

What kind of soil does 84087 have?

The USDA soil survey maps Arave at the center of ZIP 84087: silt loam, somewhat poorly drained, pH about 8.6 (alkaline).

Did spring come early in Woods Cross, UT in 2026?

Spring leaf-out near 84087 came on Mar 9 in 2026, 12 days earlier than the 1991–2020 average (Mar 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Woods Cross, UT?

Long-day onions: the longest day near 84087 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).