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

Planting zone for 89832 — Owyhee, NV

ZIP code 89832 (Owyhee, Elko County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is June 15 and the first fall frost September 11.

Where ZIP 89832 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.

Zone6a−10 to −5 °F

Coldest night−23.3 to −20.6 °C

Last frostJun 15

First frostSep 11

2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Owyhee, 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 Owyhee, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostJune 15median — 50% chance of a later frost

Safe for tender plantsJuly 1only 10% chance of frost after

First fall frostSeptember 11median — 10% chance by Aug 26

Growing season86 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 30 and returns around September 23.

From the NOAA station Jarbidge 7 N, NV — 39 miles away, elevation 6,050 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 89832

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · May 4 – May 18

SpinachSow outdoors · May 4 – May 25

Broccoli, cabbageStart indoors · Apr 6 – Apr 20

Broccoli, cabbageTransplant · May 25 – Jun 8

Onion setsPlant outdoors · May 18 – Jun 1

PotatoesPlant outdoors · May 25 – Jun 8

LettuceSow outdoors · May 18 – Jun 1

Carrots, beetsSow outdoors · May 25 – Jun 8

TomatoesStart indoors · Apr 20 – May 4

TomatoesTransplant · Jun 22 – Jul 6

Peppers, eggplantStart indoors · Apr 6 – Apr 20

Peppers, eggplantTransplant · Jun 29 – Jul 13

BeansSow outdoors · Jun 22 – Jul 6

Sweet cornSow outdoors · Jun 22 – Jul 6

Cucumbers, squashSow outdoors · Jun 22 – Jul 6

Fall lettuce, spinachSow outdoors · Jul 17 – Jul 31

GarlicPlant cloves · Aug 28 – Oct 2

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 15) and first fall frost (Sep 11) 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 89832 came on Mar 14 — 28 days earlier than the 1991–2020 average (Apr 11).

average
Apr 112026
Mar 14

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 6a in Nevada

504 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 Owyhee, NV.

Soil in Owyhee, NV

The soil mapped at the center of ZIP 89832 is Hayspur — clay loam, poorly drained.

TextureClay loamholds water and nutrients; slow to drain and warm up

pH7.9alkaline; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter3%moderate

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classPrime farmland if drained and either protected from flooding or not frequently flooded during the growing seasonUSDA classification

Map unit: Hayspur clay loam, 0 to 2 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 89832; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Owyhee, NV

Summer high85 °Faverage high, July

Winter low5 °Faverage low, January

Hot days12days a year at 90 °F or more

Freezing nights263nights a year at 32 °F or less

Growing degree days1,087base 50 °F — the season’s usable heat

Longest day15 h 14 mindaylight on June 21

Shortest day9 h 07 mindaylight on December 21

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

Precipitation33 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: Wild Horse Rsvr, NV (31 mi away); precipitation: Fawn Creek, NV (12 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

898316a

Mountain City, NV · 19 mi

898346b

Tuscarora, NV · 39 mi

Grand View, ID · 65 mi

Nevada planting zones →

Questions about 89832

What planting zone is ZIP code 89832?

ZIP code 89832 (Owyhee, NV) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Owyhee, NV?

The median last spring frost (32 °F) near 89832 is June 15; after July 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jarbidge 7 N station.

When is the first frost in Owyhee, NV?

The median first fall frost near 89832 is September 11, giving a median frost-free growing season of 86 days.

When should I plant tomatoes in 89832?

Start tomato seeds indoors around Apr 20 – May 4 and set transplants outside around Jun 22 – Jul 6, one to three weeks after the median last frost.

How much rain and snow does 89832 get?

About 33 inches of precipitation a year (NOAA 1991–2020 normals, Fawn Creek station).

How hot do summers get in Owyhee, NV?

The average high peaks at 85 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 89832 have?

The USDA soil survey maps Hayspur at the center of ZIP 89832: clay loam, poorly drained, pH about 7.9 (alkaline).

Did spring come early in Owyhee, NV in 2026?

Spring leaf-out near 89832 came on Mar 14 in 2026, 28 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Owyhee, NV?

Long-day onions: the longest day near 89832 is 15 h 14 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).