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

Planting zone for 89001 — Alamo, NV

ZIP code 89001 (Alamo, Lincoln County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 3 and the first fall frost October 31.

Where ZIP 89001 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.

Zone8a10 to 15 °F

Coldest night−12.2 to −9.4 °C

Last frostApr 3

First frostOct 31

2012 zone7b

Was 7b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Alamo, 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 Alamo, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostApril 3median — 50% chance of a later frost

Safe for tender plantsApril 21only 10% chance of frost after

First fall frostOctober 31median — 10% chance by Oct 16

Growing season212 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 12 and returns around November 12.

From the NOAA station Pahranagat Wr, NV — 11 miles away, elevation 3,333 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 89001

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 20 – Mar 6

SpinachSow outdoors · Feb 20 – Mar 13

Broccoli, cabbageStart indoors · Jan 23 – Feb 6

Broccoli, cabbageTransplant · Mar 13 – Mar 27

Onion setsPlant outdoors · Mar 6 – Mar 20

PotatoesPlant outdoors · Mar 13 – Mar 27

LettuceSow outdoors · Mar 6 – Mar 20

Carrots, beetsSow outdoors · Mar 13 – Mar 27

TomatoesStart indoors · Feb 6 – Feb 20

TomatoesTransplant · Apr 10 – Apr 24

Peppers, eggplantStart indoors · Jan 23 – Feb 6

Peppers, eggplantTransplant · Apr 17 – May 1

BeansSow outdoors · Apr 10 – Apr 24

Sweet cornSow outdoors · Apr 10 – Apr 24

Cucumbers, squashSow outdoors · Apr 10 – Apr 24

Fall lettuce, spinachSow outdoors · Sep 5 – Sep 19

GarlicPlant cloves · Oct 17 – Nov 21

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 3) and first fall frost (Oct 31) 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 89001 came on Feb 21 — 21 days earlier than the 1991–2020 average (Mar 14).

average
Mar 142026
Feb 21

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 8a in Nevada

533 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 8a. 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 Alamo, NV.

Soil in Alamo, NV

The soil mapped at the center of ZIP 89001 is Logring — very gravelly loam, well drained.

TextureVery gravelly loama good balance for most vegetables

pH8.5alkaline; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter2%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Logring-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 89001; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Alamo, NV

Summer high100 °Faverage high, July

Winter low27 °Faverage low, December

Hot days115days a year at 90 °F or more

Freezing nights90nights a year at 32 °F or less

Growing degree days4,832base 50 °F — the season’s usable heat

Longest day14 h 44 mindaylight on June 21

Shortest day9 h 35 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

Snowfall2 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pahranagat Wr, NV (11 mi away); precipitation: Pahranagat Wr, NV (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Indian Springs, NV · 57 mi

Indian Springs, NV · 61 mi

Nevada planting zones →

Questions about 89001

What planting zone is ZIP code 89001?

ZIP code 89001 (Alamo, NV) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Alamo, NV?

The median last spring frost (32 °F) near 89001 is April 3; after April 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pahranagat Wr station.

When is the first frost in Alamo, NV?

The median first fall frost near 89001 is October 31, giving a median frost-free growing season of 212 days.

When should I plant tomatoes in 89001?

Start tomato seeds indoors around Feb 6 – Feb 20 and set transplants outside around Apr 10 – Apr 24, one to three weeks after the median last frost.

How much rain and snow does 89001 get?

About 5.6 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Pahranagat Wr station).

How hot do summers get in Alamo, NV?

The average high peaks at 100 °F in July, with about 115 days a year at 90 °F or more.

What kind of soil does 89001 have?

The USDA soil survey maps Logring at the center of ZIP 89001: very gravelly loam, well drained, pH about 8.5 (alkaline).

Did spring come early in Alamo, NV in 2026?

Spring leaf-out near 89001 came on Feb 21 in 2026, 21 days earlier than the 1991–2020 average (Mar 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Alamo, NV?

Intermediate onions: the longest day near 89001 is 14 h 44 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89001 change?

Yes. The 2012 USDA map put 89001 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.