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

Planting zone for 89402 — Crystal Bay, NV

ZIP code 89402 (Crystal Bay, Washoe County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 17 and the first fall frost October 13.

Where ZIP 89402 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 frostMay 17
First frostOct 13
2012 zone6b

Was 6b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Crystal Bay, 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 Crystal Bay, NV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 17median — 50% chance of a later frost
Safe for tender plantsJune 4only 10% chance of frost after
First fall frostOctober 13median — 10% chance by Sep 30
Growing season148 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 28 and returns around October 28.

From the NOAA station Incline Village, NV — 4 miles away, elevation 6,355 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 89402

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 5 – Apr 19
SpinachSow outdoors · Apr 5 – Apr 26
Broccoli, cabbageStart indoors · Mar 8 – Mar 22
Broccoli, cabbageTransplant · Apr 26 – May 10
Onion setsPlant outdoors · Apr 19 – May 3
PotatoesPlant outdoors · Apr 26 – May 10
LettuceSow outdoors · Apr 19 – May 3
Carrots, beetsSow outdoors · Apr 26 – May 10
TomatoesStart indoors · Mar 22 – Apr 5
TomatoesTransplant · May 24 – Jun 7
Peppers, eggplantStart indoors · Mar 8 – Mar 22
Peppers, eggplantTransplant · May 31 – Jun 14
BeansSow outdoors · May 24 – Jun 7
Sweet cornSow outdoors · May 24 – Jun 7
Cucumbers, squashSow outdoors · May 24 – Jun 7
Fall lettuce, spinachSow outdoors · Aug 18 – Sep 1
GarlicPlant cloves · Sep 29 – Nov 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 17) and first fall frost (Oct 13) 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 89402 came on Mar 21 — 32 days earlier than the 1991–2020 average (Apr 22).

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.

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 103

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 °Fbigtooth maple38 ft · blooms spring · medium shade tolerance · to −31 °F

Wildflowers & perennials 248

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 132

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 Crystal Bay, NV.

Soil in Crystal Bay, NV

The soil mapped at the center of ZIP 89402 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 89402; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Crystal Bay, NV

Summer high76 °Faverage high, July
Winter low24 °Faverage low, January
Hot days0days a year at 90 °F or more
Freezing nights151nights a year at 32 °F or less
Growing degree days1,370base 50 °F — the season’s usable heat
Longest day14 h 56 mindaylight on June 21
Shortest day9 h 24 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation33.8 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 41 °F, low 24 °F 41°24° JanFebruary: average high 42 °F, low 25 °F 42°25° FebMarch: average high 45 °F, low 27 °F 45°27° MarApril: average high 50 °F, low 31 °F 50°31° AprMay: average high 59 °F, low 37 °F 59°37° MayJune: average high 68 °F, low 45 °F 68°45° JunJuly: average high 76 °F, low 50 °F 76°50° JulAugust: average high 76 °F, low 50 °F 76°50° AugSeptember: average high 71 °F, low 45 °F 71°45° SepOctober: average high 59 °F, low 36 °F 59°36° OctNovember: average high 50 °F, low 30 °F 50°30° NovDecember: average high 41 °F, low 25 °F 41°25° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 5.88 in precipitation 5.9 JanFebruary: 5.26 in precipitation 5.3 FebMarch: 5.15 in precipitation 5.2 MarApril: 2.60 in precipitation 2.6 AprMay: 2.03 in precipitation 2.0 MayJune: 0.81 in precipitation 0.8 JunJuly: 0.21 in precipitation 0.2 JulAugust: 0.28 in precipitation 0.3 AugSeptember: 0.60 in precipitation 0.6 SepOctober: 1.95 in precipitation 1.9 OctNovember: 3.26 in precipitation 3.3 NovDecember: 5.78 in precipitation 5.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Incline Village, NV (4 mi away); precipitation: Marlette Lake, NV (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

961436b
Kings Beach, CA · 2 mi
894527a
Incline Village, NV · 3 mi
961487a
Tahoe Vista, CA · 3 mi
894507a
Incline Village, NV · 4 mi
956049b
Auburn, CA · 4 mi
894516b
Incline Village, NV · 4 mi
961407a
Carnelian Bay, CA · 5 mi
961457a
Tahoe City, CA · 9 mi

Nevada planting zones →

Questions about 89402

What planting zone is ZIP code 89402?

ZIP code 89402 (Crystal Bay, 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 Crystal Bay, NV?

The median last spring frost (32 °F) near 89402 is May 17; after June 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Incline Village station.

When is the first frost in Crystal Bay, NV?

The median first fall frost near 89402 is October 13, giving a median frost-free growing season of 148 days.

When should I plant tomatoes in 89402?

Start tomato seeds indoors around Mar 22 – Apr 5 and set transplants outside around May 24 – Jun 7, one to three weeks after the median last frost.

How much rain and snow does 89402 get?

About 33.8 inches of precipitation a year (NOAA 1991–2020 normals, Marlette Lake station).

How hot do summers get in Crystal Bay, NV?

The average high peaks at 76 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 89402 have?

The USDA soil survey maps Cagwin at the center of ZIP 89402: slightly decomposed plant material, somewhat excessively drained.

Did spring come early in Crystal Bay, NV in 2026?

Spring leaf-out near 89402 came on Mar 21 in 2026, 32 days earlier than the 1991–2020 average (Apr 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Crystal Bay, NV?

Intermediate onions: the longest day near 89402 is 14 h 56 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 89402 change?

Yes. The 2012 USDA map put 89402 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.