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

Planting zone for 89161 — Las Vegas, NV

ZIP code 89161 (Las Vegas, Clark County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 13 and the first fall frost November 15.

Where ZIP 89161 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 13
First frostNov 15
2012 zone8b

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 8b 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 13median — 50% chance of a later frost
Safe for tender plantsApril 11only 10% chance of frost after
First fall frostNovember 15median — 10% chance by Oct 31
Growing season244 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 21 and returns around November 27.

From the NOAA station Red Rock Canyon - Spg Mt Rch S, NV — 4 miles away, elevation 3,780 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 89161

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 30 – Feb 13
SpinachSow outdoors · Jan 30 – Feb 20
Broccoli, cabbageStart indoors · Jan 2 – Jan 16
Broccoli, cabbageTransplant · Feb 20 – Mar 6
Onion setsPlant outdoors · Feb 13 – Feb 27
PotatoesPlant outdoors · Feb 20 – Mar 6
LettuceSow outdoors · Feb 13 – Feb 27
Carrots, beetsSow outdoors · Feb 20 – Mar 6
TomatoesStart indoors · Jan 16 – Jan 30
TomatoesTransplant · Mar 20 – Apr 3
Peppers, eggplantStart indoors · Jan 2 – Jan 16
Peppers, eggplantTransplant · Mar 27 – Apr 10
BeansSow outdoors · Mar 20 – Apr 3
Sweet cornSow outdoors · Mar 20 – Apr 3
Cucumbers, squashSow outdoors · Mar 20 – Apr 3
Fall lettuce, spinachSow outdoors · Sep 20 – Oct 4
GarlicPlant cloves · Nov 1 – Dec 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 13) and first fall frost (Nov 15) 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 89161 came on Feb 8 — 23 days earlier than the 1991–2020 average (Mar 3).

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 8b in Nevada

538 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. 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 110

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 254

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 135

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 89161 is Boxspring — extremely gravelly loam, well drained.

TextureExtremely gravelly loama good balance for most vegetables
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: Boxspring-Scrapy-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 89161; 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 high95 °Faverage high, July
Winter low32 °Faverage low, January
Hot days93days a year at 90 °F or more
Freezing nights75nights a year at 32 °F or less
Growing degree days5,151base 50 °F — the season’s usable heat
Longest day14 h 37 mindaylight on June 21
Shortest day9 h 42 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation9.9 inper year, rain and melted snow
Snowfall3 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 53 °F, low 32 °F 53°32° JanFebruary: average high 56 °F, low 35 °F 56°35° FebMarch: average high 64 °F, low 41 °F 64°41° MarApril: average high 70 °F, low 47 °F 70°47° AprMay: average high 80 °F, low 56 °F 80°56° MayJune: average high 90 °F, low 67 °F 90°67° JunJuly: average high 95 °F, low 73 °F 95°73° JulAugust: average high 94 °F, low 72 °F 94°72° AugSeptember: average high 87 °F, low 62 °F 87°62° SepOctober: average high 75 °F, low 50 °F 75°50° OctNovember: average high 62 °F, low 38 °F 62°38° NovDecember: average high 52 °F, low 32 °F 52°32° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.37 in precipitation, 0.9 in snowfall 1.4❄1 JanFebruary: 2.02 in precipitation, 0.4 in snowfall 2.0 FebMarch: 1.36 in precipitation, 0.5 in snowfall 1.4❄1 MarApril: 0.64 in precipitation, 0.1 in snowfall 0.6 AprMay: 0.23 in precipitation 0.2 MayJune: 0.09 in precipitation 0.1 JunJuly: 0.81 in precipitation 0.8 JulAugust: 0.44 in precipitation 0.4 AugSeptember: 0.56 in precipitation 0.6 SepOctober: 0.67 in precipitation 0.7 OctNovember: 0.66 in precipitation 0.7 NovDecember: 1.09 in precipitation, 0.7 in snowfall 1.1❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Red Rock Canyon - Spg Mt Rch S, NV (4 mi away); precipitation: Red Rock Canyon - Spg Mt Rch S, NV (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

890048b
Blue Diamond, NV · 5 mi
891359a
Las Vegas, NV · 9 mi
891489a
Las Vegas, NV · 12 mi
891789a
Las Vegas, NV · 12 mi
891479a
Las Vegas, NV · 14 mi
891139a
Las Vegas, NV · 14 mi
891388b
Las Vegas, NV · 14 mi
891799a
Las Vegas, NV · 14 mi

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

Questions about 89161

What planting zone is ZIP code 89161?

ZIP code 89161 (Las Vegas, NV) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Las Vegas, NV?

The median last spring frost (32 °F) near 89161 is March 13; after April 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Red Rock Canyon - Spg Mt Rch S station.

When is the first frost in Las Vegas, NV?

The median first fall frost near 89161 is November 15, giving a median frost-free growing season of 244 days.

When should I plant tomatoes in 89161?

Start tomato seeds indoors around Jan 16 – Jan 30 and set transplants outside around Mar 20 – Apr 3, one to three weeks after the median last frost.

How much rain and snow does 89161 get?

About 9.9 inches of precipitation a year and 3 inches of snowfall (NOAA 1991–2020 normals, Red Rock Canyon - Spg Mt Rch S station).

How hot do summers get in Las Vegas, NV?

The average high peaks at 95 °F in July, with about 93 days a year at 90 °F or more.

What kind of soil does 89161 have?

The USDA soil survey maps Boxspring at the center of ZIP 89161: extremely gravelly loam, well drained, pH about 8.2 (alkaline).

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

Spring leaf-out near 89161 came on Feb 8 in 2026, 23 days earlier than the 1991–2020 average (Mar 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Las Vegas, NV?

Intermediate onions: the longest day near 89161 is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.