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

Planting zone for 89179 — Las Vegas, NV

ZIP code 89179 (Las Vegas, Clark County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 17 and the first fall frost November 20.

Where ZIP 89179 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostMar 17
First frostNov 20
2012 zone9a

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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Las Vegas, 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 Las Vegas, NV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 17median — 50% chance of a later frost
Safe for tender plantsApril 11only 10% chance of frost after
First fall frostNovember 20median — 10% chance by Nov 4
Growing season245 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 26 and returns around December 1.

From the NOAA station Goodsprings, NV — 7 miles away, elevation 3,717 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 89179

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 3 – Feb 17
SpinachSow outdoors · Feb 3 – Feb 24
Broccoli, cabbageStart indoors · Jan 6 – Jan 20
Broccoli, cabbageTransplant · Feb 24 – Mar 10
Onion setsPlant outdoors · Feb 17 – Mar 3
PotatoesPlant outdoors · Feb 24 – Mar 10
LettuceSow outdoors · Feb 17 – Mar 3
Carrots, beetsSow outdoors · Feb 24 – Mar 10
TomatoesStart indoors · Jan 20 – Feb 3
TomatoesTransplant · Mar 24 – Apr 7
Peppers, eggplantStart indoors · Jan 6 – Jan 20
Peppers, eggplantTransplant · Mar 31 – Apr 14
BeansSow outdoors · Mar 24 – Apr 7
Sweet cornSow outdoors · Mar 24 – Apr 7
Cucumbers, squashSow outdoors · Mar 24 – Apr 7
Fall lettuce, spinachSow outdoors · Sep 25 – Oct 9
GarlicPlant cloves · Nov 6 – Dec 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 17) and first fall frost (Nov 20) 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 89179 came on Feb 3 — 6 days earlier than the 1991–2020 average (Feb 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 9a in Nevada

541 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. 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 111

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 °Fbig saltbush10 ft · blooms early summer · high shade tolerance · to 7 °F

Wildflowers & perennials 255

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 136

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 Las Vegas, NV.

Soil in Las Vegas, NV

The soil mapped at the center of ZIP 89179 is Zeheme — extremely gravelly fine sandy loam, well drained.

TextureExtremely gravelly fine sandy loamdrains and warms fast; dries out and needs more feeding
pH8.2alkaline; 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: Zeheme-Potosi-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 89179; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Las Vegas, NV

Summer high102 °Faverage high, July
Winter low32 °Faverage low, January
Hot days128days a year at 90 °F or more
Freezing nights56nights a year at 32 °F or less
Growing degree days5,457base 50 °F — the season’s usable heat
Longest day14 h 36 mindaylight on June 21
Shortest day9 h 43 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation6.6 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 55 °F, low 32 °F 55°32° JanFebruary: average high 59 °F, low 35 °F 59°35° FebMarch: average high 67 °F, low 39 °F 67°39° MarApril: average high 75 °F, low 45 °F 75°45° AprMay: average high 87 °F, low 54 °F 87°54° MayJune: average high 98 °F, low 62 °F 98°62° JunJuly: average high 102 °F, low 69 °F 102°69° JulAugust: average high 100 °F, low 66 °F 100°66° AugSeptember: average high 91 °F, low 60 °F 91°60° SepOctober: average high 78 °F, low 50 °F 78°50° OctNovember: average high 63 °F, low 38 °F 63°38° NovDecember: average high 54 °F, low 32 °F 54°32° Dec

Precipitation by month inches

0″1″2″January: 0.90 in precipitation 0.9 JanFebruary: 1.19 in precipitation 1.2 FebMarch: 0.74 in precipitation 0.7 MarApril: 0.43 in precipitation 0.4 AprMay: 0.05 in precipitation 0.1 MayJune: 0.02 in precipitation 0.0 JunJuly: 0.79 in precipitation 0.8 JulAugust: 0.58 in precipitation 0.6 AugSeptember: 0.33 in precipitation 0.3 SepOctober: 0.55 in precipitation 0.6 OctNovember: 0.31 in precipitation 0.3 NovDecember: 0.69 in precipitation 0.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Goodsprings, NV (7 mi away); precipitation: Goodsprings, NV (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

891789a
Las Vegas, NV · 7 mi
890549a
Sloan, NV · 8 mi
891419a
Las Vegas, NV · 9 mi
890269a
Jean, NV · 10 mi
890048b
Blue Diamond, NV · 11 mi
891399a
Las Vegas, NV · 12 mi
891839a
Las Vegas, NV · 12 mi
891489a
Las Vegas, NV · 12 mi

All 75 ZIP codes in Las Vegas → · Nevada planting zones →

Questions about 89179

What planting zone is ZIP code 89179?

ZIP code 89179 (Las Vegas, NV) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Las Vegas, NV?

The median last spring frost (32 °F) near 89179 is March 17; after April 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Goodsprings station.

When is the first frost in Las Vegas, NV?

The median first fall frost near 89179 is November 20, giving a median frost-free growing season of 245 days.

When should I plant tomatoes in 89179?

Start tomato seeds indoors around Jan 20 – Feb 3 and set transplants outside around Mar 24 – Apr 7, one to three weeks after the median last frost.

How much rain and snow does 89179 get?

About 6.6 inches of precipitation a year (NOAA 1991–2020 normals, Goodsprings station).

How hot do summers get in Las Vegas, NV?

The average high peaks at 102 °F in July, with about 128 days a year at 90 °F or more.

What kind of soil does 89179 have?

The USDA soil survey maps Zeheme at the center of ZIP 89179: extremely gravelly fine sandy loam, well drained, pH about 8.2 (alkaline).

Did spring come early in Las Vegas, NV in 2026?

Spring leaf-out near 89179 came on Feb 3 in 2026, 6 days earlier than the 1991–2020 average (Feb 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Las Vegas, NV?

Intermediate onions: the longest day near 89179 is 14 h 36 min, so day-neutral types bulb best; long-day varieties may not bulb fully.