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

Planting zone for 89413 — Glenbrook, NV

ZIP code 89413 (Glenbrook, Douglas County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is June 5 and the first fall frost October 9.

Where ZIP 89413 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.

Zone7a0 to 5 °F

Coldest night−17.8 to −15 °C

Last frostJun 5

First frostOct 9

2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Glenbrook, 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 Glenbrook, NV

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostJune 5median — 50% chance of a later frost

Safe for tender plantsJune 22only 10% chance of frost after

First fall frostOctober 9median — 10% chance by Sep 24

Growing season126 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 12 and returns around October 24.

From the NOAA station Glenbrook, NV — within 1 mile, elevation 6,352 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 89413

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 24 – May 8

SpinachSow outdoors · Apr 24 – May 15

Broccoli, cabbageStart indoors · Mar 27 – Apr 10

Broccoli, cabbageTransplant · May 15 – May 29

Onion setsPlant outdoors · May 8 – May 22

PotatoesPlant outdoors · May 15 – May 29

LettuceSow outdoors · May 8 – May 22

Carrots, beetsSow outdoors · May 15 – May 29

TomatoesStart indoors · Apr 10 – Apr 24

TomatoesTransplant · Jun 12 – Jun 26

Peppers, eggplantStart indoors · Mar 27 – Apr 10

Peppers, eggplantTransplant · Jun 19 – Jul 3

BeansSow outdoors · Jun 12 – Jun 26

Sweet cornSow outdoors · Jun 12 – Jun 26

Cucumbers, squashSow outdoors · Jun 12 – Jun 26

Fall lettuce, spinachSow outdoors · Aug 14 – Aug 28

GarlicPlant cloves · Sep 25 – Oct 30

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 5) and first fall frost (Oct 9) 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 89413 came on Mar 21 — 30 days earlier than the 1991–2020 average (Apr 20).

average
Apr 202026
Mar 21

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 7a in Nevada

520 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. 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 Glenbrook, NV.

Soil in Glenbrook, NV

The soil mapped at the center of ZIP 89413 is Cagwin — slightly decomposed plant material, somewhat excessively drained.

TextureSlightly decomposed plant materialtop layer

DrainageSomewhat excessively drainednatural drainage class

Organic matter80%high

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Cagwin-Rock outcrop complex, 15 to 30 percent slopes, extremely stony.

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 89413; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Glenbrook, NV

Summer high77 °Faverage high, July

Winter low25 °Faverage low, January

Hot days0days a year at 90 °F or more

Freezing nights153nights a year at 32 °F or less

Growing degree days1,399base 50 °F — the season’s usable heat

Longest day14 h 55 mindaylight on June 21

Shortest day9 h 25 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation18.5 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: Glenbrook, NV (within 1 mile); precipitation: Glenbrook, NV (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

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

897057b

Carson City, NV · 5 mi

897037b

Carson City, NV · 5 mi

894486b

Zephyr Cove, NV · 5 mi

Carson City, NV · 10 mi

961566b

South Lake Tahoe, CA · 10 mi

961576b

South Lake Tahoe, CA · 10 mi

Nevada planting zones →

Questions about 89413

What planting zone is ZIP code 89413?

ZIP code 89413 (Glenbrook, NV) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Glenbrook, NV?

The median last spring frost (32 °F) near 89413 is June 5; after June 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Glenbrook station.

When is the first frost in Glenbrook, NV?

The median first fall frost near 89413 is October 9, giving a median frost-free growing season of 126 days.

When should I plant tomatoes in 89413?

Start tomato seeds indoors around Apr 10 – Apr 24 and set transplants outside around Jun 12 – Jun 26, one to three weeks after the median last frost.

How much rain and snow does 89413 get?

About 18.5 inches of precipitation a year (NOAA 1991–2020 normals, Glenbrook station).

How hot do summers get in Glenbrook, NV?

The average high peaks at 77 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 89413 have?

The USDA soil survey maps Cagwin at the center of ZIP 89413: slightly decomposed plant material, somewhat excessively drained.

Did spring come early in Glenbrook, NV in 2026?

Spring leaf-out near 89413 came on Mar 21 in 2026, 30 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Glenbrook, NV?

Intermediate onions: the longest day near 89413 is 14 h 55 min, so day-neutral types bulb best; long-day varieties may not bulb fully.