Planting zone for 84083 — Wendover, UT
ZIP code 84083 (Wendover, Tooele County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 18 and the first fall frost October 23.
Where ZIP 84083 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
Was 7a on the 2012 map — half a zone colder now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Wendover, 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 Wendover, UT
A hard freeze (28 °F) usually ends around March 31 and returns around November 1.
From the NOAA station Wendover Airport Awos, UT — 17 miles away, elevation 4,236 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 84083
Counted from the median last spring frost (Apr 18) and first fall frost (Oct 23) 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 84083 came on Mar 15 — 12 days earlier than the 1991–2020 average (Mar 27).
Mar 272026
Mar 15
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 6b in Utah
549 plants native to the lower 48 states, recorded in Utah, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 30
Shrubs 107
Wildflowers & perennials 251
Grasses 151
Vines 3
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 Wendover, UT.
Soil in Wendover, UT
The center of ZIP 84083 is mapped as Salt flats: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.
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 84083; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Wendover, UT
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wendover Airport Awos, UT (17 mi away); precipitation: Wendover Airport Awos, UT (17 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.
Questions about 84083
What planting zone is ZIP code 84083?
ZIP code 84083 (Wendover, UT) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).
When is the last frost in Wendover, UT?
The median last spring frost (32 °F) near 84083 is April 18; after May 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wendover Airport Awos station.
When is the first frost in Wendover, UT?
The median first fall frost near 84083 is October 23, giving a median frost-free growing season of 188 days.
When should I plant tomatoes in 84083?
Start tomato seeds indoors around Feb 21 – Mar 7 and set transplants outside around Apr 25 – May 9, one to three weeks after the median last frost.
How much rain and snow does 84083 get?
About 3.6 inches of precipitation a year (NOAA 1991–2020 normals, Wendover Airport Awos station).
How hot do summers get in Wendover, UT?
The average high peaks at 93 °F in July, with about 57 days a year at 90 °F or more.
Did spring come early in Wendover, UT in 2026?
Spring leaf-out near 84083 came on Mar 15 in 2026, 12 days earlier than the 1991–2020 average (Mar 27), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Wendover, UT?
Long-day onions: the longest day near 84083 is 15 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 84083 change?
Yes. The 2012 USDA map put 84083 in zone 7a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.