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

Planting zone for 89426 — Paradise Valley, NV

ZIP code 89426 (Paradise Valley, Humboldt County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is June 5 and the first fall frost September 13.

Where ZIP 89426 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 5
First frostSep 13
2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Paradise 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 Paradise Valley, 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 27only 10% chance of frost after
First fall frostSeptember 13median — 10% chance by Aug 26
Growing season95 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 19 and returns around September 25.

From the NOAA station Paradise Valley 1 Nw, NV — 4 miles away, elevation 4,561 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 89426

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 · Jul 19 – Aug 2
GarlicPlant cloves · Aug 30 – Oct 4
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 5) and first fall frost (Sep 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 89426 came on Mar 10 — 21 days earlier than the 1991–2020 average (Mar 31).

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 Paradise Valley, NV.

Soil in Paradise Valley, NV

The soil mapped at the center of ZIP 89426 is Ninemile — gravelly loam, well drained.

TextureGravelly loama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Ninemile-Tusk 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 89426; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Paradise Valley, NV

Summer high93 °Faverage high, July
Winter low17 °Faverage low, December
Hot days57days a year at 90 °F or more
Freezing nights197nights a year at 32 °F or less
Growing degree days2,295base 50 °F — the season’s usable heat
Longest day15 h 11 mindaylight on June 21
Shortest day9 h 10 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation27.4 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 42 °F, low 18 °F 42°18° JanFebruary: average high 47 °F, low 22 °F 47°22° FebMarch: average high 56 °F, low 26 °F 56°26° MarApril: average high 63 °F, low 31 °F 63°31° AprMay: average high 73 °F, low 37 °F 73°37° MayJune: average high 82 °F, low 43 °F 82°43° JunJuly: average high 93 °F, low 49 °F 93°49° JulAugust: average high 91 °F, low 48 °F 91°48° AugSeptember: average high 83 °F, low 39 °F 83°39° SepOctober: average high 69 °F, low 31 °F 69°31° OctNovember: average high 53 °F, low 22 °F 53°22° NovDecember: average high 41 °F, low 17 °F 41°17° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.74 in precipitation 3.7 JanFebruary: 2.70 in precipitation 2.7 FebMarch: 3.27 in precipitation 3.3 MarApril: 2.90 in precipitation 2.9 AprMay: 2.50 in precipitation 2.5 MayJune: 1.27 in precipitation 1.3 JunJuly: 0.34 in precipitation 0.3 JulAugust: 0.34 in precipitation 0.3 AugSeptember: 0.77 in precipitation 0.8 SepOctober: 2.16 in precipitation 2.2 OctNovember: 3.03 in precipitation 3.0 NovDecember: 4.38 in precipitation 4.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Paradise Valley 1 Nw, NV (4 mi away); precipitation: Lamance Creek, NV (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

894256a
Orovada, NV · 19 mi
894456b
Winnemucca, NV · 32 mi
894146b
Golconda, NV · 35 mi
894217a
Mc Dermitt, NV · 43 mi
894466b
Winnemucca, NV · 45 mi
894386b
Valmy, NV · 53 mi
977106b
Fields, OR · 66 mi
894186b
Imlay, NV · 66 mi

Nevada planting zones →

Questions about 89426

What planting zone is ZIP code 89426?

ZIP code 89426 (Paradise 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 Paradise Valley, NV?

The median last spring frost (32 °F) near 89426 is June 5; after June 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Paradise Valley 1 Nw station.

When is the first frost in Paradise Valley, NV?

The median first fall frost near 89426 is September 13, giving a median frost-free growing season of 95 days.

When should I plant tomatoes in 89426?

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 89426 get?

About 27.4 inches of precipitation a year (NOAA 1991–2020 normals, Lamance Creek station).

How hot do summers get in Paradise Valley, NV?

The average high peaks at 93 °F in July, with about 57 days a year at 90 °F or more.

What kind of soil does 89426 have?

The USDA soil survey maps Ninemile at the center of ZIP 89426: gravelly loam, well drained, pH about 7.0 (neutral).

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

Spring leaf-out near 89426 came on Mar 10 in 2026, 21 days earlier than the 1991–2020 average (Mar 31), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Paradise Valley, NV?

Long-day onions: the longest day near 89426 is 15 h 11 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).