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

Planting zone for 89418 — Imlay, NV

ZIP code 89418 (Imlay, Pershing County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 17 and the first fall frost September 27.

Where ZIP 89418 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.

Zone6b−5 to 0 °F

Coldest night−20.6 to −17.8 °C

Last frostMay 17

First frostSep 27

2012 zone7a

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 Service

Loading the forecast for Imlay, 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 Imlay, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 17median — 50% chance of a later frost

Safe for tender plantsJune 8only 10% chance of frost after

First fall frostSeptember 27median — 10% chance by Sep 13

Growing season131 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 3 and returns around October 6.

From the NOAA station Imlay, NV — 9 miles away, elevation 4,259 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 89418

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 5 – Apr 19

SpinachSow outdoors · Apr 5 – Apr 26

Broccoli, cabbageStart indoors · Mar 8 – Mar 22

Broccoli, cabbageTransplant · Apr 26 – May 10

Onion setsPlant outdoors · Apr 19 – May 3

PotatoesPlant outdoors · Apr 26 – May 10

LettuceSow outdoors · Apr 19 – May 3

Carrots, beetsSow outdoors · Apr 26 – May 10

TomatoesStart indoors · Mar 22 – Apr 5

TomatoesTransplant · May 24 – Jun 7

Peppers, eggplantStart indoors · Mar 8 – Mar 22

Peppers, eggplantTransplant · May 31 – Jun 14

BeansSow outdoors · May 24 – Jun 7

Sweet cornSow outdoors · May 24 – Jun 7

Cucumbers, squashSow outdoors · May 24 – Jun 7

Fall lettuce, spinachSow outdoors · Aug 2 – Aug 16

GarlicPlant cloves · Sep 13 – Oct 18

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 17) and first fall frost (Sep 27) 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 89418 came on Mar 9 — 14 days earlier than the 1991–2020 average (Mar 23).

average
Mar 232026
Mar 9

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 Imlay, NV.

Soil in Imlay, NV

The soil mapped at the center of ZIP 89418 is Wholan — very fine sandy loam, well drained.

TextureVery fine 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 classPrime farmland if irrigated and reclaimed of excess salts and sodiumUSDA classification

Map unit: Wholan very fine sandy loam, rarely flooded, 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 89418; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Imlay, NV

Summer high92 °Faverage high, July

Winter low18 °Faverage low, December

Hot days58days a year at 90 °F or more

Freezing nights161nights a year at 32 °F or less

Growing degree days2,730base 50 °F — the season’s usable heat

Longest day15 h 05 mindaylight on June 21

Shortest day9 h 16 mindaylight on December 21

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

Precipitation8.4 inper year, rain and melted snow

Snowfall12 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Imlay, NV (9 mi away); precipitation: Imlay, NV (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

894196b

Lovelock, NV · 21 mi

894466b

Winnemucca, NV · 22 mi

894456b

Winnemucca, NV · 38 mi

Battle Mountain, NV · 58 mi

894266a

Paradise Valley, NV · 66 mi

894256a

Orovada, NV · 75 mi

Nevada planting zones →

Questions about 89418

What planting zone is ZIP code 89418?

ZIP code 89418 (Imlay, NV) 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 Imlay, NV?

The median last spring frost (32 °F) near 89418 is May 17; after June 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Imlay station.

When is the first frost in Imlay, NV?

The median first fall frost near 89418 is September 27, giving a median frost-free growing season of 131 days.

When should I plant tomatoes in 89418?

Start tomato seeds indoors around Mar 22 – Apr 5 and set transplants outside around May 24 – Jun 7, one to three weeks after the median last frost.

How much rain and snow does 89418 get?

About 8.4 inches of precipitation a year and 12 inches of snowfall (NOAA 1991–2020 normals, Imlay station).

How hot do summers get in Imlay, NV?

The average high peaks at 92 °F in July, with about 58 days a year at 90 °F or more.

What kind of soil does 89418 have?

The USDA soil survey maps Wholan at the center of ZIP 89418: very fine sandy loam, well drained, pH about 8.5 (alkaline).

Did spring come early in Imlay, NV in 2026?

Spring leaf-out near 89418 came on Mar 9 in 2026, 14 days earlier than the 1991–2020 average (Mar 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Imlay, NV?

Long-day onions: the longest day near 89418 is 15 h 05 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 89418 change?

Yes. The 2012 USDA map put 89418 in zone 7a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.