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

Planting zone for 89149 — Las Vegas, NV

ZIP code 89149 (Las Vegas, Clark County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is January 24 and the first fall frost December 10.

Where ZIP 89149 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 frostJan 24
First frostDec 10
2012 zone8b

Was 8b 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 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 frostJanuary 24median — 50% chance of a later frost
Safe for tender plantsFebruary 19only 10% chance of frost after
First fall frostDecember 10median — 10% chance by Nov 24
Growing season323 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 2 and returns around December 25.

From the NOAA station Las Vegas Air Terminal, NV — 7 miles away, elevation 2,205 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 89149

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 13 – Dec 27
SpinachSow outdoors · Dec 13 – Jan 3
Broccoli, cabbageStart indoors · Nov 15 – Nov 29
Broccoli, cabbageTransplant · Jan 3 – Jan 17
Onion setsPlant outdoors · Dec 27 – Jan 10
PotatoesPlant outdoors · Jan 3 – Jan 17
LettuceSow outdoors · Dec 27 – Jan 10
Carrots, beetsSow outdoors · Jan 3 – Jan 17
TomatoesStart indoors · Nov 29 – Dec 13
TomatoesTransplant · Jan 31 – Feb 14
Peppers, eggplantStart indoors · Nov 15 – Nov 29
Peppers, eggplantTransplant · Feb 7 – Feb 21
BeansSow outdoors · Jan 31 – Feb 14
Sweet cornSow outdoors · Jan 31 – Feb 14
Cucumbers, squashSow outdoors · Jan 31 – Feb 14
Fall lettuce, spinachSow outdoors · Oct 15 – Oct 29
GarlicPlant cloves · Nov 26 – Dec 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jan 24) and first fall frost (Dec 10) 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 89149 came on Jan 27 — 6 days earlier than the 1991–2020 average (Feb 2).

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 89149 is Dalian — very gravelly fine sandy loam, well drained.

TextureVery 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 groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Dalian very gravelly fine sandy loam, 2 to 4 percent slopes.

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 89149; 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 high104 °Faverage high, July
Winter low38 °Faverage low, December
Hot days136days a year at 90 °F or more
Freezing nights11nights a year at 32 °F or less
Growing degree days7,167base 50 °F — the season’s usable heat
Longest day14 h 38 mindaylight on June 21
Shortest day9 h 41 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation6.1 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 58 °F, low 39 °F 58°39° JanFebruary: average high 62 °F, low 43 °F 62°43° FebMarch: average high 71 °F, low 49 °F 71°49° MarApril: average high 78 °F, low 55 °F 78°55° AprMay: average high 88 °F, low 64 °F 88°64° MayJune: average high 99 °F, low 74 °F 99°74° JunJuly: average high 104 °F, low 80 °F 104°80° JulAugust: average high 102 °F, low 78 °F 102°78° AugSeptember: average high 94 °F, low 70 °F 94°70° SepOctober: average high 81 °F, low 58 °F 81°58° OctNovember: average high 67 °F, low 46 °F 67°46° NovDecember: average high 56 °F, low 38 °F 56°38° Dec

Precipitation by month inches

0″1″January: 0.62 in precipitation 0.6 JanFebruary: 0.89 in precipitation 0.9 FebMarch: 0.54 in precipitation 0.5 MarApril: 0.60 in precipitation 0.6 AprMay: 0.19 in precipitation 0.2 MayJune: 0.09 in precipitation 0.1 JunJuly: 0.68 in precipitation 0.7 JulAugust: 0.41 in precipitation 0.4 AugSeptember: 0.67 in precipitation 0.7 SepOctober: 0.54 in precipitation 0.5 OctNovember: 0.34 in precipitation 0.3 NovDecember: 0.52 in precipitation 0.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Las Vegas Air Terminal, NV (7 mi away); precipitation: North Las Vegas 4.4 Sw, NV (6 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.

891299a
Las Vegas, NV · 3 mi
891439a
Las Vegas, NV · 4 mi
891259b
Las Vegas, NV · 4 mi
891319a
Las Vegas, NV · 4 mi
891309a
Las Vegas, NV · 4 mi
891349a
Las Vegas, NV · 5 mi
891289a
Las Vegas, NV · 5 mi
890859a
North Las Vegas, NV · 6 mi

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

Questions about 89149

What planting zone is ZIP code 89149?

ZIP code 89149 (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 89149 is January 24; after February 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Las Vegas Air Terminal station.

When is the first frost in Las Vegas, NV?

The median first fall frost near 89149 is December 10, giving a median frost-free growing season of 323 days.

When should I plant tomatoes in 89149?

Start tomato seeds indoors around Nov 29 – Dec 13 and set transplants outside around Jan 31 – Feb 14, one to three weeks after the median last frost.

How much rain and snow does 89149 get?

About 6.1 inches of precipitation a year (NOAA 1991–2020 normals, North Las Vegas 4.4 Sw station).

How hot do summers get in Las Vegas, NV?

The average high peaks at 104 °F in July, with about 136 days a year at 90 °F or more.

What kind of soil does 89149 have?

The USDA soil survey maps Dalian at the center of ZIP 89149: very 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 89149 came on Jan 27 in 2026, 6 days earlier than the 1991–2020 average (Feb 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Las Vegas, NV?

Intermediate onions: the longest day near 89149 is 14 h 38 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89149 change?

Yes. The 2012 USDA map put 89149 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.