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

Planting zone for 89015 — Henderson, NV

ZIP code 89015 (Henderson, Clark County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is January 21 and the first fall frost December 17.

Where ZIP 89015 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 frostJan 21

First frostDec 17

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 in Henderson, NV

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostJanuary 21median — 50% chance of a later frost

Safe for tender plantsMarch 5only 10% chance of frost after

First fall frostDecember 17median — 10% chance by Dec 2

Growing season328 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 10 and returns around December 30.

From the NOAA station Alan Bible Visitor Center, NV — 7 miles away, elevation 1,641 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 89015

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Dec 10 – Dec 24

SpinachSow outdoors · Dec 10 – Dec 31

Broccoli, cabbageStart indoors · Nov 12 – Nov 26

Broccoli, cabbageTransplant · Dec 31 – Jan 14

Onion setsPlant outdoors · Dec 24 – Jan 7

PotatoesPlant outdoors · Dec 31 – Jan 14

LettuceSow outdoors · Dec 24 – Jan 7

Carrots, beetsSow outdoors · Dec 31 – Jan 14

TomatoesStart indoors · Nov 26 – Dec 10

TomatoesTransplant · Jan 28 – Feb 11

Peppers, eggplantStart indoors · Nov 12 – Nov 26

Peppers, eggplantTransplant · Feb 4 – Feb 18

BeansSow outdoors · Jan 28 – Feb 11

Sweet cornSow outdoors · Jan 28 – Feb 11

Cucumbers, squashSow outdoors · Jan 28 – Feb 11

Fall lettuce, spinachSow outdoors · Oct 22 – Nov 5

GarlicPlant cloves · Dec 3 – Jan 7

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jan 21) and first fall frost (Dec 17) 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 89015 came on Jan 27 — about the same time as the 1991–2020 average (Jan 29).

average
Jan 292026
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 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.

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 89015 is Arizo — very gravelly loamy sand, excessively drained.

TextureVery gravelly loamy sanddrains and warms fast; dries out and needs more feeding

pH8.2alkaline; most vegetables like 6.0–7.0

DrainageExcessively drainednatural drainage class

Organic matter0.25%low — add compost

Hydrologic groupAwater soaks in fast

Farmland classNot prime farmlandUSDA classification

Map unit: Arizo very gravelly loamy sand, flooded, 0 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 89015; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Henderson, NV

Summer high107 °Faverage high, July

Winter low40 °Faverage low, December

Hot days147days a year at 90 °F or more

Freezing nights5nights a year at 32 °F or less

Growing degree days8,112base 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

Precipitation6.5 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: Alan Bible Visitor Center, NV (7 mi away); precipitation: Henderson 4.7 Ne, NV (3 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.

Boulder City, NV · 5 mi

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

Questions about 89015

What planting zone is ZIP code 89015?

ZIP code 89015 (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).

When is the last frost in Henderson, NV?

The median last spring frost (32 °F) near 89015 is January 21; after March 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Alan Bible Visitor Center station.

When is the first frost in Henderson, NV?

The median first fall frost near 89015 is December 17, giving a median frost-free growing season of 328 days.

When should I plant tomatoes in 89015?

Start tomato seeds indoors around Nov 26 – Dec 10 and set transplants outside around Jan 28 – Feb 11, one to three weeks after the median last frost.

How much rain and snow does 89015 get?

About 6.5 inches of precipitation a year (NOAA 1991–2020 normals, Henderson 4.7 Ne station).

How hot do summers get in Henderson, NV?

The average high peaks at 107 °F in July, with about 147 days a year at 90 °F or more.

What kind of soil does 89015 have?

The USDA soil survey maps Arizo at the center of ZIP 89015: very gravelly loamy sand, excessively drained, pH about 8.2 (alkaline).

Did spring come early in Henderson, NV in 2026?

Spring leaf-out near 89015 came on Jan 27 in 2026, about the same as the 1991–2020 average (Jan 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Henderson, NV?

Intermediate onions: the longest day near 89015 is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89015 change?

Yes. The 2012 USDA map put 89015 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.