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

Planting zone for 89442 — Wadsworth, NV

ZIP code 89442 (Wadsworth, Washoe County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 9 and the first fall frost October 1.

Where ZIP 89442 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 frostMay 9

First frostOct 1

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 Wadsworth, NV…

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 Wadsworth, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 9median — 50% chance of a later frost

Safe for tender plantsMay 28only 10% chance of frost after

First fall frostOctober 1median — 10% chance by Sep 17

Growing season145 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 27 and returns around October 11.

From the NOAA station Wadsworth 4 N, NV — 3 miles away, elevation 4,000 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 89442

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 28 – Apr 11

SpinachSow outdoors · Mar 28 – Apr 18

Broccoli, cabbageStart indoors · Feb 28 – Mar 14

Broccoli, cabbageTransplant · Apr 18 – May 2

Onion setsPlant outdoors · Apr 11 – Apr 25

PotatoesPlant outdoors · Apr 18 – May 2

LettuceSow outdoors · Apr 11 – Apr 25

Carrots, beetsSow outdoors · Apr 18 – May 2

TomatoesStart indoors · Mar 14 – Mar 28

TomatoesTransplant · May 16 – May 30

Peppers, eggplantStart indoors · Feb 28 – Mar 14

Peppers, eggplantTransplant · May 23 – Jun 6

BeansSow outdoors · May 16 – May 30

Sweet cornSow outdoors · May 16 – May 30

Cucumbers, squashSow outdoors · May 16 – May 30

Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20

GarlicPlant cloves · Sep 17 – Oct 22

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 9) and first fall frost (Oct 1) 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 89442 came on Feb 28 — 13 days earlier than the 1991–2020 average (Mar 13).

average
Mar 132026
Feb 28

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 Nevada

520 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. 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 Wadsworth, NV.

Soil in Wadsworth, NV

The soil mapped at the center of ZIP 89442 is Trocken — gravelly sandy loam, well drained.

TextureGravelly sandy loamdrains and warms fast; dries out and needs more feeding

pH8.5alkaline; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter0.25%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Trocken-Biddleman-Bluewing assciation.

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 89442; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Wadsworth, NV

Summer high95 °Faverage high, July

Winter low20 °Faverage low, January

Hot days64days a year at 90 °F or more

Freezing nights156nights a year at 32 °F or less

Growing degree days2,999base 50 °F — the season’s usable heat

Longest day14 h 59 mindaylight on June 21

Shortest day9 h 21 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation7.6 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wadsworth 4 N, NV (3 mi away); precipitation: Fernley 2.6 Wnw, NV (8 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.

Silver Springs, NV · 24 mi

Nevada planting zones →

Questions about 89442

What planting zone is ZIP code 89442?

ZIP code 89442 (Wadsworth, NV) 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 Wadsworth, NV?

The median last spring frost (32 °F) near 89442 is May 9; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wadsworth 4 N station.

When is the first frost in Wadsworth, NV?

The median first fall frost near 89442 is October 1, giving a median frost-free growing season of 145 days.

When should I plant tomatoes in 89442?

Start tomato seeds indoors around Mar 14 – Mar 28 and set transplants outside around May 16 – May 30, one to three weeks after the median last frost.

How much rain and snow does 89442 get?

About 7.6 inches of precipitation a year (NOAA 1991–2020 normals, Fernley 2.6 Wnw station).

How hot do summers get in Wadsworth, NV?

The average high peaks at 95 °F in July, with about 64 days a year at 90 °F or more.

What kind of soil does 89442 have?

The USDA soil survey maps Trocken at the center of ZIP 89442: gravelly sandy loam, well drained, pH about 8.5 (alkaline).

Did spring come early in Wadsworth, NV in 2026?

Spring leaf-out near 89442 came on Feb 28 in 2026, 13 days earlier than the 1991–2020 average (Mar 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Wadsworth, NV?

Intermediate onions: the longest day near 89442 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.