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

Planting zone for 89012 — Henderson, NV

ZIP code 89012 (Henderson, Clark County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F.

Where ZIP 89012 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostrare
First frostrare
2012 zone9a

Was 9a 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 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Henderson, 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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Las Vegas Mccarran Airport, NV — 8 miles away, elevation 2,133 ft) the median growing season is 333 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 89012 came on Jan 27 — 5 days earlier than the 1991–2020 average (Feb 1).

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 9b in Nevada

544 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive 25 °F or colder — the bottom of zone 9b. 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 112

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 256

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 137

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 Henderson, NV.

Soil in Henderson, NV

The soil mapped at the center of ZIP 89012 is Caliza — extremely stony fine sandy loam, well drained.

TextureExtremely stony 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 matter0.75%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Caliza-Pittman extremely stony fine sandy loams, 2 to 8 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 89012; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Henderson, NV

Summer high105 °Faverage high, July
Winter low40 °Faverage low, December
Hot days137days a year at 90 °F or more
Freezing nights10nights a year at 32 °F or less
Growing degree days7,587base 50 °F — the season’s usable heat
Longest day14 h 36 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
Precipitation6.9 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 41 °F 59°41° JanFebruary: average high 63 °F, low 44 °F 63°44° FebMarch: average high 71 °F, low 51 °F 71°51° MarApril: average high 79 °F, low 57 °F 79°57° AprMay: average high 89 °F, low 66 °F 89°66° MayJune: average high 99 °F, low 76 °F 99°76° JunJuly: average high 105 °F, low 82 °F 105°82° JulAugust: average high 103 °F, low 81 °F 103°81° AugSeptember: average high 95 °F, low 72 °F 95°72° SepOctober: average high 81 °F, low 60 °F 81°60° OctNovember: average high 67 °F, low 47 °F 67°47° NovDecember: average high 57 °F, low 40 °F 57°40° Dec

Precipitation by month inches

0″1″2″January: 0.65 in precipitation 0.7 JanFebruary: 1.12 in precipitation 1.1 FebMarch: 0.75 in precipitation 0.8 MarApril: 0.35 in precipitation 0.3 AprMay: 0.23 in precipitation 0.2 MayJune: 0.08 in precipitation 0.1 JunJuly: 0.75 in precipitation 0.8 JulAugust: 0.93 in precipitation 0.9 AugSeptember: 0.50 in precipitation 0.5 SepOctober: 0.61 in precipitation 0.6 OctNovember: 0.36 in precipitation 0.4 NovDecember: 0.53 in precipitation 0.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Las Vegas Mccarran Airport, NV (8 mi away); precipitation: Henderson 9.8 Sw, NV (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

890749b
Henderson, NV · 3 mi
891149b
Las Vegas, NV · 3 mi
890149b
Henderson, NV · 4 mi
890779b
Henderson, NV · 4 mi
890529a
Henderson, NV · 4 mi
890029b
Henderson, NV · 5 mi
890449a
Henderson, NV · 5 mi
891209b
Las Vegas, NV · 6 mi

All 12 ZIP codes in Henderson → · Nevada planting zones →

Questions about 89012

What planting zone is ZIP code 89012?

ZIP code 89012 (Henderson, NV) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

How much rain and snow does 89012 get?

About 6.9 inches of precipitation a year (NOAA 1991–2020 normals, Henderson 9.8 Sw station).

How hot do summers get in Henderson, NV?

The average high peaks at 105 °F in July, with about 137 days a year at 90 °F or more.

What kind of soil does 89012 have?

The USDA soil survey maps Caliza at the center of ZIP 89012: extremely stony fine sandy loam, well drained, pH about 8.2 (alkaline).

Did spring come early in Henderson, NV in 2026?

Spring leaf-out near 89012 came on Jan 27 in 2026, 5 days earlier than the 1991–2020 average (Feb 1), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Henderson, NV?

Intermediate onions: the longest day near 89012 is 14 h 36 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89012 change?

Yes. The 2012 USDA map put 89012 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.