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

Planting zone for 89310 — Austin, NV

ZIP code 89310 (Austin, Lander County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 18 and the first fall frost October 7.

Where ZIP 89310 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 18

First frostOct 7

2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Austin, 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 Austin, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 18median — 50% chance of a later frost

Safe for tender plantsJune 11only 10% chance of frost after

First fall frostOctober 7median — 10% chance by Sep 19

Growing season142 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 20.

From the NOAA station Austin #2, NV — 4 miles away, elevation 6,782 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 89310

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 6 – Apr 20

SpinachSow outdoors · Apr 6 – Apr 27

Broccoli, cabbageStart indoors · Mar 9 – Mar 23

Broccoli, cabbageTransplant · Apr 27 – May 11

Onion setsPlant outdoors · Apr 20 – May 4

PotatoesPlant outdoors · Apr 27 – May 11

LettuceSow outdoors · Apr 20 – May 4

Carrots, beetsSow outdoors · Apr 27 – May 11

TomatoesStart indoors · Mar 23 – Apr 6

TomatoesTransplant · May 25 – Jun 8

Peppers, eggplantStart indoors · Mar 9 – Mar 23

Peppers, eggplantTransplant · Jun 1 – Jun 15

BeansSow outdoors · May 25 – Jun 8

Sweet cornSow outdoors · May 25 – Jun 8

Cucumbers, squashSow outdoors · May 25 – Jun 8

Fall lettuce, spinachSow outdoors · Aug 12 – Aug 26

GarlicPlant cloves · Sep 23 – Oct 28

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 18) and first fall frost (Oct 7) 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 89310 came on Mar 19 — 14 days earlier than the 1991–2020 average (Apr 2).

average
Apr 22026
Mar 19

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 Austin, NV.

Soil in Austin, NV

The soil mapped at the center of ZIP 89310 is Enko — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding

pH7.5slightly alkaline; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.5%low — add compost

Hydrologic groupCwater soaks in slowly

Farmland classPrime farmland if irrigated and reclaimed of excess salts and sodiumUSDA classification

Map unit: Enko-Orovada association, gently sloping.

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 89310; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Austin, NV

Summer high86 °Faverage high, July

Winter low25 °Faverage low, December

Hot days20days a year at 90 °F or more

Freezing nights148nights a year at 32 °F or less

Growing degree days2,537base 50 °F — the season’s usable heat

Longest day14 h 57 mindaylight on June 21

Shortest day9 h 23 mindaylight on December 21

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

Precipitation12.3 inper year, rain and melted snow

Snowfall64 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Austin #2, NV (4 mi away); precipitation: Austin #2, NV (4 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.

890456a

Round Mountain, NV · 42 mi

Manhattan, NV · 66 mi

898206b

Battle Mountain, NV · 67 mi

Nevada planting zones →

Questions about 89310

What planting zone is ZIP code 89310?

ZIP code 89310 (Austin, 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 Austin, NV?

The median last spring frost (32 °F) near 89310 is May 18; after June 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Austin #2 station.

When is the first frost in Austin, NV?

The median first fall frost near 89310 is October 7, giving a median frost-free growing season of 142 days.

When should I plant tomatoes in 89310?

Start tomato seeds indoors around Mar 23 – Apr 6 and set transplants outside around May 25 – Jun 8, one to three weeks after the median last frost.

How much rain and snow does 89310 get?

About 12.3 inches of precipitation a year and 64 inches of snowfall (NOAA 1991–2020 normals, Austin #2 station).

How hot do summers get in Austin, NV?

The average high peaks at 86 °F in July, with about 20 days a year at 90 °F or more.

What kind of soil does 89310 have?

The USDA soil survey maps Enko at the center of ZIP 89310: sandy loam, well drained, pH about 7.5 (slightly alkaline).

Did spring come early in Austin, NV in 2026?

Spring leaf-out near 89310 came on Mar 19 in 2026, 14 days earlier than the 1991–2020 average (Apr 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Austin, NV?

Intermediate onions: the longest day near 89310 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.