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

Planting zone for 89425 — Orovada, NV

ZIP code 89425 (Orovada, Humboldt 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 11.

Where ZIP 89425 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 11
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 Orovada, 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 Orovada, 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 20only 10% chance of frost after
First fall frostSeptember 11median — 10% chance by Aug 28
Growing season102 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 13 and returns around September 25.

From the NOAA station Orovada 3 W, NV — 7 miles away, elevation 4,200 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 89425

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 17 – Jul 31
GarlicPlant cloves · Aug 28 – Oct 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 2) and first fall frost (Sep 11) 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 89425 came on Mar 14 — 11 days earlier than the 1991–2020 average (Mar 25).

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).

Soil in Orovada, NV

The soil mapped at the center of ZIP 89425 is Paranat — silt loam, poorly drained.

TextureSilt loama good balance for most vegetables
pH8.5alkaline; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classPrime farmland if drainedUSDA classification

Map unit: Paranat silt loam 1/.

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 89425; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Orovada, NV

Summer high94 °Faverage high, July
Winter low18 °Faverage low, December
Hot days62days a year at 90 °F or more
Freezing nights183nights a year at 32 °F or less
Growing degree days2,361base 50 °F — the season’s usable heat
Longest day15 h 12 mindaylight on June 21
Shortest day9 h 09 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation10.2 inper year, rain and melted snow
Snowfall16 inper year; 11 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 42 °F, low 19 °F 42°19° JanFebruary: average high 48 °F, low 23 °F 48°23° FebMarch: average high 56 °F, low 27 °F 56°27° MarApril: average high 63 °F, low 31 °F 63°31° AprMay: average high 72 °F, low 38 °F 72°38° MayJune: average high 83 °F, low 44 °F 83°44° JunJuly: average high 94 °F, low 50 °F 94°50° JulAugust: average high 92 °F, low 48 °F 92°48° AugSeptember: average high 82 °F, low 39 °F 82°39° SepOctober: average high 68 °F, low 29 °F 68°29° OctNovember: average high 53 °F, low 23 °F 53°23° NovDecember: average high 41 °F, low 18 °F 41°18° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″January: 1.26 in precipitation, 4.9 in snowfall 1.3❄5 JanFebruary: 0.83 in precipitation, 2.5 in snowfall 0.8❄3 FebMarch: 1.04 in precipitation, 1.4 in snowfall 1.0❄1 MarApril: 1.28 in precipitation, 1.4 in snowfall 1.3❄1 AprMay: 1.31 in precipitation, 0.1 in snowfall 1.3 MayJune: 0.77 in precipitation 0.8 JunJuly: 0.21 in precipitation 0.2 JulAugust: 0.26 in precipitation 0.3 AugSeptember: 0.51 in precipitation 0.5 SepOctober: 0.89 in precipitation, 0.3 in snowfall 0.9 OctNovember: 0.72 in precipitation, 1.1 in snowfall 0.7❄1 NovDecember: 1.14 in precipitation, 4 in snowfall 1.1❄4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Orovada 3 W, NV (7 mi away); precipitation: Orovada 3 W, NV (7 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.

894266a
Paradise Valley, NV · 19 mi
894217a
Mc Dermitt, NV · 27 mi
894456b
Winnemucca, NV · 38 mi
977106b
Fields, OR · 48 mi
894046b
Denio, NV · 53 mi
894146b
Golconda, NV · 54 mi
894466b
Winnemucca, NV · 54 mi
977216b
Princeton, OR · 67 mi

Nevada planting zones →

Questions about 89425

What planting zone is ZIP code 89425?

ZIP code 89425 (Orovada, 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 Orovada, NV?

The median last spring frost (32 °F) near 89425 is June 2; after June 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Orovada 3 W station.

When is the first frost in Orovada, NV?

The median first fall frost near 89425 is September 11, giving a median frost-free growing season of 102 days.

When should I plant tomatoes in 89425?

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 89425 get?

About 10.2 inches of precipitation a year and 16 inches of snowfall (NOAA 1991–2020 normals, Orovada 3 W station).

How hot do summers get in Orovada, NV?

The average high peaks at 94 °F in July, with about 62 days a year at 90 °F or more.

What kind of soil does 89425 have?

The USDA soil survey maps Paranat at the center of ZIP 89425: silt loam, poorly drained, pH about 8.5 (alkaline).

Did spring come early in Orovada, NV in 2026?

Spring leaf-out near 89425 came on Mar 14 in 2026, 11 days earlier than the 1991–2020 average (Mar 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Orovada, NV?

Long-day onions: the longest day near 89425 is 15 h 12 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).