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

Planting zone for 89118 — Las Vegas, NV

ZIP code 89118 (Las Vegas, Clark County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 4 and the first fall frost December 5.

Where ZIP 89118 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 frostFeb 4
First frostDec 5
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 frostFebruary 4median — 50% chance of a later frost
Safe for tender plantsFebruary 27only 10% chance of frost after
First fall frostDecember 5median — 10% chance by Nov 19
Growing season302 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 13 and returns around December 20.

From the NOAA station Las Vegas WFO, NV — 2 miles away, elevation 2,274 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 89118

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 24 – Jan 7
SpinachSow outdoors · Dec 24 – Jan 14
Broccoli, cabbageStart indoors · Nov 26 – Dec 10
Broccoli, cabbageTransplant · Jan 14 – Jan 28
Onion setsPlant outdoors · Jan 7 – Jan 21
PotatoesPlant outdoors · Jan 14 – Jan 28
LettuceSow outdoors · Jan 7 – Jan 21
Carrots, beetsSow outdoors · Jan 14 – Jan 28
TomatoesStart indoors · Dec 10 – Dec 24
TomatoesTransplant · Feb 11 – Feb 25
Peppers, eggplantStart indoors · Nov 26 – Dec 10
Peppers, eggplantTransplant · Feb 18 – Mar 4
BeansSow outdoors · Feb 11 – Feb 25
Sweet cornSow outdoors · Feb 11 – Feb 25
Cucumbers, squashSow outdoors · Feb 11 – Feb 25
Fall lettuce, spinachSow outdoors · Oct 10 – Oct 24
GarlicPlant cloves · Nov 21 – Dec 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 4) and first fall frost (Dec 5) 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 89118 came on Jan 28 — 3 days earlier than the 1991–2020 average (Jan 31).

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 89118 is Goodsprings — gravelly fine sandy loam, well drained.

TextureGravelly fine sandy loamdrains and warms fast; dries out and needs more feeding
pH8.5alkaline; 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: Goodsprings 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 89118; 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 high106 °Faverage high, July
Winter low37 °Faverage low, December
Hot days138days a year at 90 °F or more
Freezing nights19nights a year at 32 °F or less
Growing degree days7,313base 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
Precipitation5.6 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°120°32 °FJanuary: average high 59 °F, low 38 °F 59°38° JanFebruary: average high 64 °F, low 41 °F 64°41° FebMarch: average high 72 °F, low 48 °F 72°48° MarApril: average high 80 °F, low 54 °F 80°54° AprMay: average high 90 °F, low 63 °F 90°63° MayJune: average high 101 °F, low 73 °F 101°73° JunJuly: average high 106 °F, low 80 °F 106°80° JulAugust: average high 104 °F, low 78 °F 104°78° AugSeptember: average high 96 °F, low 69 °F 96°69° SepOctober: average high 82 °F, low 57 °F 82°57° OctNovember: average high 67 °F, low 44 °F 67°44° NovDecember: average high 57 °F, low 37 °F 57°37° Dec

Precipitation by month inches

0″1″January: 0.70 in precipitation 0.7 JanFebruary: 0.89 in precipitation 0.9 FebMarch: 0.63 in precipitation 0.6 MarApril: 0.34 in precipitation 0.3 AprMay: 0.23 in precipitation 0.2 MayJune: 0.09 in precipitation 0.1 JunJuly: 0.46 in precipitation 0.5 JulAugust: 0.50 in precipitation 0.5 AugSeptember: 0.30 in precipitation 0.3 SepOctober: 0.55 in precipitation 0.6 OctNovember: 0.36 in precipitation 0.4 NovDecember: 0.57 in precipitation 0.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Las Vegas WFO, NV (2 mi away); precipitation: Paradise 3.9 Wsw, NV (2 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.

891039a
Las Vegas, NV · 2 mi
891589b
Las Vegas, NV · 3 mi
891399a
Las Vegas, NV · 3 mi
891139a
Las Vegas, NV · 3 mi
891059b
Las Vegas, NV · 4 mi
891409a
Las Vegas, NV · 4 mi
891199b
Las Vegas, NV · 4 mi
891099b
Las Vegas, NV · 4 mi

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

Questions about 89118

What planting zone is ZIP code 89118?

ZIP code 89118 (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 89118 is February 4; after February 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Las Vegas WFO station.

When is the first frost in Las Vegas, NV?

The median first fall frost near 89118 is December 5, giving a median frost-free growing season of 302 days.

When should I plant tomatoes in 89118?

Start tomato seeds indoors around Dec 10 – Dec 24 and set transplants outside around Feb 11 – Feb 25, one to three weeks after the median last frost.

How much rain and snow does 89118 get?

About 5.6 inches of precipitation a year (NOAA 1991–2020 normals, Paradise 3.9 Wsw station).

How hot do summers get in Las Vegas, NV?

The average high peaks at 106 °F in July, with about 138 days a year at 90 °F or more.

What kind of soil does 89118 have?

The USDA soil survey maps Goodsprings at the center of ZIP 89118: gravelly fine sandy loam, well drained, pH about 8.5 (alkaline).

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

Spring leaf-out near 89118 came on Jan 28 in 2026, 3 days earlier than the 1991–2020 average (Jan 31), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Las Vegas, NV?

Intermediate onions: the longest day near 89118 is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.