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

Planting zone for 89422 — Mina, NV

ZIP code 89422 (Mina, Mineral County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 14 and the first fall frost October 24.

Where ZIP 89422 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 frostApr 14
First frostOct 24
2012 zone7b

Was 7b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mina, 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 Mina, NV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 9
Growing season192 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 3.

From the NOAA station Mina, NV — 5 miles away, elevation 4,580 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 89422

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Aug 29 – Sep 12
GarlicPlant cloves · Oct 10 – Nov 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 24) 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 89422 came on Feb 28 — 13 days earlier than the 1991–2020 average (Mar 13).

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.

Trees 29

Arizona cypress50 ft · blooms spring · low shade tolerance · to −23 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °FCalifornia red fir150 ft · blooms late spring · low shade tolerance · to −23 °FDouglas-fir200 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 103

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °Fbigtooth maple38 ft · blooms spring · medium shade tolerance · to −31 °F

Wildflowers & perennials 248

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 132

Alaska oniongrass3 ft · blooms mid spring · low shade tolerance · to −33 °Falkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic bluegrass2 ft · high shade tolerance · to −62 °F

Vines 1

western white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

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 Mina, NV.

Soil in Mina, NV

The soil mapped at the center of ZIP 89422 is Uripnes — extremely bouldery sandy loam, well drained.

TextureExtremely bouldery sandy loamdrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.25%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Uripnes-Pumel-Rock outcrop association.

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 89422; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mina, NV

Summer high97 °Faverage high, July
Winter low26 °Faverage low, December
Hot days84days a year at 90 °F or more
Freezing nights115nights a year at 32 °F or less
Growing degree days4,284base 50 °F — the season’s usable heat
Longest day14 h 51 mindaylight on June 21
Shortest day9 h 29 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation5.6 inper year, rain and melted snow
Snowfall8 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 49 °F, low 27 °F 49°27° JanFebruary: average high 54 °F, low 31 °F 54°31° FebMarch: average high 62 °F, low 36 °F 62°36° MarApril: average high 68 °F, low 41 °F 68°41° AprMay: average high 78 °F, low 51 °F 78°51° MayJune: average high 89 °F, low 60 °F 89°60° JunJuly: average high 97 °F, low 67 °F 97°67° JulAugust: average high 96 °F, low 64 °F 96°64° AugSeptember: average high 86 °F, low 55 °F 86°55° SepOctober: average high 72 °F, low 43 °F 72°43° OctNovember: average high 58 °F, low 33 °F 58°33° NovDecember: average high 48 °F, low 26 °F 48°26° Dec

Precipitation by month inches · ❄ = snowfall

0″1″January: 0.48 in precipitation, 2 in snowfall 0.5❄2 JanFebruary: 0.54 in precipitation, 1.7 in snowfall 0.5❄2 FebMarch: 0.46 in precipitation, 1 in snowfall 0.5❄1 MarApril: 0.57 in precipitation, 0.7 in snowfall 0.6❄1 AprMay: 0.83 in precipitation, 0.2 in snowfall 0.8 MayJune: 0.33 in precipitation 0.3 JunJuly: 0.53 in precipitation 0.5 JulAugust: 0.24 in precipitation 0.2 AugSeptember: 0.23 in precipitation 0.2 SepOctober: 0.57 in precipitation 0.6 OctNovember: 0.29 in precipitation, 0.8 in snowfall 0.3❄1 NovDecember: 0.50 in precipitation, 1.4 in snowfall 0.5❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mina, NV (5 mi away); precipitation: Mina, NV (5 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.

894207a
Luning, NV · 5 mi
894096b
Gabbs, NV · 24 mi
894157a
Hawthorne, NV · 33 mi
894277a
Schurz, NV · 41 mi
890107a
Dyer, NV · 42 mi
935126b
Benton, CA · 42 mi
890477a
Silverpeak, NV · 55 mi
894967a
Fallon, NV · 57 mi

Nevada planting zones →

Questions about 89422

What planting zone is ZIP code 89422?

ZIP code 89422 (Mina, 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 Mina, NV?

The median last spring frost (32 °F) near 89422 is April 14; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mina station.

When is the first frost in Mina, NV?

The median first fall frost near 89422 is October 24, giving a median frost-free growing season of 192 days.

When should I plant tomatoes in 89422?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 89422 get?

About 5.6 inches of precipitation a year and 8 inches of snowfall (NOAA 1991–2020 normals, Mina station).

How hot do summers get in Mina, NV?

The average high peaks at 97 °F in July, with about 84 days a year at 90 °F or more.

What kind of soil does 89422 have?

The USDA soil survey maps Uripnes at the center of ZIP 89422: extremely bouldery sandy loam, well drained, pH about 7.0 (neutral).

Did spring come early in Mina, NV in 2026?

Spring leaf-out near 89422 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 Mina, NV?

Intermediate onions: the longest day near 89422 is 14 h 51 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89422 change?

Yes. The 2012 USDA map put 89422 in zone 7b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.