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

Planting zone for 89821 — Crescent Valley, NV

ZIP code 89821 (Crescent Valley, Eureka County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is June 2 and the first fall frost September 17.

Where ZIP 89821 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostJun 2
First frostSep 17
2012 zone6b

Was 6b on the 2012 map — half a zone colder now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Crescent Valley, 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 Crescent Valley, NV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 2median — 50% chance of a later frost
Safe for tender plantsJune 18only 10% chance of frost after
First fall frostSeptember 17median — 10% chance by Sep 2
Growing season105 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 16 and returns around September 27.

From the NOAA station Beowawe, NV — 4 miles away, elevation 4,702 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 89821

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 21 – May 5
SpinachSow outdoors · Apr 21 – May 12
Broccoli, cabbageStart indoors · Mar 24 – Apr 7
Broccoli, cabbageTransplant · May 12 – May 26
Onion setsPlant outdoors · May 5 – May 19
PotatoesPlant outdoors · May 12 – May 26
LettuceSow outdoors · May 5 – May 19
Carrots, beetsSow outdoors · May 12 – May 26
TomatoesStart indoors · Apr 7 – Apr 21
TomatoesTransplant · Jun 9 – Jun 23
Peppers, eggplantStart indoors · Mar 24 – Apr 7
Peppers, eggplantTransplant · Jun 16 – Jun 30
BeansSow outdoors · Jun 9 – Jun 23
Sweet cornSow outdoors · Jun 9 – Jun 23
Cucumbers, squashSow outdoors · Jun 9 – Jun 23
Fall lettuce, spinachSow outdoors · Jul 23 – Aug 6
GarlicPlant cloves · Sep 3 – Oct 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 2) and first fall frost (Sep 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 89821 came on Mar 16 — 14 days earlier than the 1991–2020 average (Mar 30).

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 6a in Nevada

504 plants native to the lower 48 states, recorded in Nevada, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 96

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 243

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 129

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 Crescent Valley, NV.

Soil in Crescent Valley, NV

The soil mapped at the center of ZIP 89821 is Rad — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Rad association.

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 89821; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Crescent Valley, NV

Summer high94 °Faverage high, July
Winter low16 °Faverage low, January
Hot days65days a year at 90 °F or more
Freezing nights188nights a year at 32 °F or less
Growing degree days2,498base 50 °F — the season’s usable heat
Longest day15 h 05 mindaylight on June 21
Shortest day9 h 16 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation8.8 inper year, rain and melted snow
Snowfall26 inper year; 30 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 40 °F, low 16 °F 40°16° JanFebruary: average high 47 °F, low 21 °F 47°21° FebMarch: average high 57 °F, low 26 °F 57°26° MarApril: average high 63 °F, low 31 °F 63°31° AprMay: average high 73 °F, low 38 °F 73°38° MayJune: average high 84 °F, low 45 °F 84°45° JunJuly: average high 94 °F, low 52 °F 94°52° JulAugust: average high 93 °F, low 49 °F 93°49° AugSeptember: average high 83 °F, low 40 °F 83°40° SepOctober: average high 69 °F, low 29 °F 69°29° OctNovember: average high 52 °F, low 22 °F 52°22° NovDecember: average high 40 °F, low 16 °F 40°16° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″January: 0.95 in precipitation, 7.6 in snowfall 0.9❄8 JanFebruary: 0.79 in precipitation, 4.2 in snowfall 0.8❄4 FebMarch: 0.88 in precipitation, 3.2 in snowfall 0.9❄3 MarApril: 1.06 in precipitation, 1.6 in snowfall 1.1❄2 AprMay: 1.28 in precipitation 1.3 MayJune: 0.64 in precipitation 0.6 JunJuly: 0.25 in precipitation 0.3 JulAugust: 0.13 in precipitation 0.1 AugSeptember: 0.47 in precipitation 0.5 SepOctober: 0.57 in precipitation, 0.1 in snowfall 0.6 OctNovember: 0.76 in precipitation, 2.6 in snowfall 0.8❄3 NovDecember: 1.00 in precipitation, 6.5 in snowfall 1.0❄7 Dec

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

Nearby ZIP codes

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

898225b
Carlin, NV · 13 mi
898206b
Battle Mountain, NV · 30 mi
898025b
Elko, NV · 39 mi
898035b
Elko, NV · 39 mi
894386b
Valmy, NV · 41 mi
898155b
Spring Creek, NV · 43 mi
898015a
Elko, NV · 54 mi
894146b
Golconda, NV · 55 mi

Nevada planting zones →

Questions about 89821

What planting zone is ZIP code 89821?

ZIP code 89821 (Crescent Valley, NV) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Crescent Valley, NV?

The median last spring frost (32 °F) near 89821 is June 2; after June 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Beowawe station.

When is the first frost in Crescent Valley, NV?

The median first fall frost near 89821 is September 17, giving a median frost-free growing season of 105 days.

When should I plant tomatoes in 89821?

Start tomato seeds indoors around Apr 7 – Apr 21 and set transplants outside around Jun 9 – Jun 23, one to three weeks after the median last frost.

How much rain and snow does 89821 get?

About 8.8 inches of precipitation a year and 26 inches of snowfall (NOAA 1991–2020 normals, Beowawe station).

How hot do summers get in Crescent Valley, NV?

The average high peaks at 94 °F in July, with about 65 days a year at 90 °F or more.

What kind of soil does 89821 have?

The USDA soil survey maps Rad at the center of ZIP 89821: silt loam, well drained, pH about 8.2 (alkaline).

Did spring come early in Crescent Valley, NV in 2026?

Spring leaf-out near 89821 came on Mar 16 in 2026, 14 days earlier than the 1991–2020 average (Mar 30), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Crescent Valley, NV?

Long-day onions: the longest day near 89821 is 15 h 05 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 89821 change?

Yes. The 2012 USDA map put 89821 in zone 6b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.