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

Planting zone for Las Vegas, NV

Las Vegas, NV is in USDA zones 8b to 9b across its 75 ZIP codes. The median last spring frost is January 24 and the first fall frost December 10.

Las Vegas on the zone map

Outlined: its 44 ZIP code areas · 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.

Zones8b–9b15 to 30 °F

ZIP codes75

Last frostJan 24

First frostDec 10

Growing season323 days

8b 4 ZIPs 9a 32 ZIPs 9b 39 ZIPs

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, 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 Las Vegas

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 89102 came on Jan 27 — 3 days earlier than the 1991–2020 average (Jan 30).

average
Jan 302026
Jan 27

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.

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 89102 is Las Vegas — 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: Las Vegas gravelly fine sandy loam, 0 to 2 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 89102; 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 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

Precipitation5.5 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Las Vegas Air Terminal, NV (4 mi away); precipitation: Las Vegas 3.9 S, NV (2 mi away). Daylight is calculated from latitude.

Planting zone for Las Vegas, NV

Las Vegas on the zone map

Frost forecast — next 7 nights

Frost dates in Las Vegas, NV

When to plant vegetables in Las Vegas

When spring arrived in 2026

Native plants for zone 8b in Nevada

Trees 29

Shrubs 110

Wildflowers & perennials 254

Grasses 135

Vines 1

Soil in Las Vegas, NV

Climate in Las Vegas, NV

Average high and low, by month

Precipitation by month inches

ZIP codes in Las Vegas

Questions about Las Vegas