Planting zone for 89147 — Las Vegas, NV
ZIP code 89147 (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 89147 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 ServiceLoading 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
A hard freeze (28 °F) usually ends around January 13 and returns around December 20.
From the NOAA station Las Vegas WFO, NV — 7 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 89147
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 89147 came on Jan 27 — 6 days earlier than the 1991–2020 average (Feb 2).
Feb 22026
Jan 27
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
Shrubs 111
Wildflowers & perennials 255
Grasses 136
Vines 1
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 89147 is Jean — gravelly loamy fine sand, excessively drained.
Map unit: Jean complex, 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 89147; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Las Vegas, NV
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Las Vegas WFO, NV (7 mi away); precipitation: Las Vegas 7.8 Sw, NV (within 1 mile). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 9a.
Questions about 89147
What planting zone is ZIP code 89147?
ZIP code 89147 (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 89147 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 89147 is December 5, giving a median frost-free growing season of 302 days.
When should I plant tomatoes in 89147?
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 89147 get?
About 6.6 inches of precipitation a year (NOAA 1991–2020 normals, Las Vegas 7.8 Sw 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 89147 have?
The USDA soil survey maps Jean at the center of ZIP 89147: gravelly loamy fine sand, excessively drained, pH about 8.5 (alkaline).
Did spring come early in Las Vegas, NV in 2026?
Spring leaf-out near 89147 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 89147 is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.