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

Planting zone for Winnemucca, NV

Winnemucca, NV is in USDA zone 6b across its 2 ZIP codes. The median last spring frost is May 23 and the first fall frost September 29.

Winnemucca on the zone map

Outlined: its 2 ZIP code areas · 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.

Zone6b−5 to 0 °F

ZIP codes2

Last frostMay 23

First frostSep 29

Growing season129 days

6b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Winnemucca, 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 Winnemucca, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 23median — 50% chance of a later frost

Safe for tender plantsJune 14only 10% chance of frost after

First fall frostSeptember 29median — 10% chance by Sep 14

Growing season129 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 7 and returns around October 7.

From the NOAA station Winnemucca 3ssw, NV, elevation 4,354 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 Winnemucca

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 11 – Apr 25

SpinachSow outdoors · Apr 11 – May 2

Broccoli, cabbageStart indoors · Mar 14 – Mar 28

Broccoli, cabbageTransplant · May 2 – May 16

Onion setsPlant outdoors · Apr 25 – May 9

PotatoesPlant outdoors · May 2 – May 16

LettuceSow outdoors · Apr 25 – May 9

Carrots, beetsSow outdoors · May 2 – May 16

TomatoesStart indoors · Mar 28 – Apr 11

TomatoesTransplant · May 30 – Jun 13

Peppers, eggplantStart indoors · Mar 14 – Mar 28

Peppers, eggplantTransplant · Jun 6 – Jun 20

BeansSow outdoors · May 30 – Jun 13

Sweet cornSow outdoors · May 30 – Jun 13

Cucumbers, squashSow outdoors · May 30 – Jun 13

Fall lettuce, spinachSow outdoors · Aug 4 – Aug 18

GarlicPlant cloves · Sep 15 – Oct 20

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 23) and first fall frost (Sep 29) 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 89445 came on Mar 10 — 14 days earlier than the 1991–2020 average (Mar 24).

average
Mar 242026
Mar 10

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 6b in Nevada

508 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. 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 Winnemucca, NV.

Soil in Winnemucca, NV

The center of ZIP 89445 is mapped as Dune land: 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 89445; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Winnemucca, NV

Summer high92 °Faverage high, July

Winter low18 °Faverage low, December

Hot days60days a year at 90 °F or more

Freezing nights174nights a year at 32 °F or less

Growing degree days2,624base 50 °F — the season’s usable heat

Longest day15 h 08 mindaylight on June 21

Shortest day9 h 13 mindaylight on December 21

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

Precipitation8.5 inper year, rain and melted snow

Snowfall22 inper year; 27 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: Winnemucca 3ssw, NV (19 mi away); precipitation: Winnemucca 3ssw, NV (19 mi away). Daylight is calculated from latitude.

ZIP codes in Winnemucca

Nevada planting zones →

Questions about Winnemucca

What planting zone is Winnemucca, NV?

Winnemucca, NV is in USDA hardiness zone 6b on the 2023 map (6b: −5 to 0 °F).

When is the last frost in Winnemucca, NV?

The median last spring frost is May 23 and the median first fall frost is September 29 (NOAA 1991–2020 normals, Winnemucca 3ssw station).

When can I plant a garden in Winnemucca, NV?

Cool-season crops like peas and spinach go in around Apr 11 – May 2; tomatoes, peppers, beans and squash after about May 30, once frost risk has passed.

What kind of onions grow in Winnemucca, NV?

Long-day onions: the longest day is 15 h 08 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Winnemucca, NV get?

About 8.5 inches of precipitation a year and 22 inches of snowfall (NOAA 1991–2020 normals).