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

Planting zone for 89414 — Golconda, NV

ZIP code 89414 (Golconda, Humboldt County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 16 and the first fall frost October 1.

Where ZIP 89414 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostMay 16
First frostOct 1
2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Golconda, 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 Golconda, NV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 16median — 50% chance of a later frost
Safe for tender plantsJune 7only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 14
Growing season134 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 2 and returns around October 10.

From the NOAA station Golconda, NV — 16 miles away, elevation 4,393 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 89414

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 4 – Apr 18
SpinachSow outdoors · Apr 4 – Apr 25
Broccoli, cabbageStart indoors · Mar 7 – Mar 21
Broccoli, cabbageTransplant · Apr 25 – May 9
Onion setsPlant outdoors · Apr 18 – May 2
PotatoesPlant outdoors · Apr 25 – May 9
LettuceSow outdoors · Apr 18 – May 2
Carrots, beetsSow outdoors · Apr 25 – May 9
TomatoesStart indoors · Mar 21 – Apr 4
TomatoesTransplant · May 23 – Jun 6
Peppers, eggplantStart indoors · Mar 7 – Mar 21
Peppers, eggplantTransplant · May 30 – Jun 13
BeansSow outdoors · May 23 – Jun 6
Sweet cornSow outdoors · May 23 – Jun 6
Cucumbers, squashSow outdoors · May 23 – Jun 6
Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 16) and first fall frost (Oct 1) 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 89414 came on Mar 16 — 5 days earlier than the 1991–2020 average (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).

Soil in Golconda, NV

The soil mapped at the center of ZIP 89414 is Preble — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH8.8alkaline; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter0.75%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Preble-Goldrun-Playas 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 89414; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Golconda, NV

Summer high94 °Faverage high, July
Winter low20 °Faverage low, January
Hot days59days a year at 90 °F or more
Freezing nights167nights a year at 32 °F or less
Growing degree days2,730base 50 °F — the season’s usable heat
Longest day15 h 08 mindaylight on June 21
Shortest day9 h 13 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation24.6 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 20 °F 42°20° JanFebruary: average high 47 °F, low 24 °F 47°24° FebMarch: average high 56 °F, low 28 °F 56°28° MarApril: average high 62 °F, low 32 °F 62°32° AprMay: average high 72 °F, low 41 °F 72°41° MayJune: average high 83 °F, low 48 °F 83°48° JunJuly: average high 94 °F, low 56 °F 94°56° JulAugust: average high 92 °F, low 52 °F 92°52° AugSeptember: average high 82 °F, low 44 °F 82°44° SepOctober: average high 68 °F, low 33 °F 68°33° OctNovember: average high 52 °F, low 25 °F 52°25° NovDecember: average high 42 °F, low 20 °F 42°20° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.35 in precipitation 3.4 JanFebruary: 2.72 in precipitation 2.7 FebMarch: 2.65 in precipitation 2.6 MarApril: 2.70 in precipitation 2.7 AprMay: 2.04 in precipitation 2.0 MayJune: 0.86 in precipitation 0.9 JunJuly: 0.29 in precipitation 0.3 JulAugust: 0.40 in precipitation 0.4 AugSeptember: 1.01 in precipitation 1.0 SepOctober: 1.84 in precipitation 1.8 OctNovember: 2.70 in precipitation 2.7 NovDecember: 4.01 in precipitation 4.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Golconda, NV (16 mi away); precipitation: Golconda, NV (23 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.

894386b
Valmy, NV · 18 mi
894266a
Paradise Valley, NV · 35 mi
894466b
Winnemucca, NV · 40 mi
894456b
Winnemucca, NV · 41 mi
898206b
Battle Mountain, NV · 46 mi
894256a
Orovada, NV · 54 mi
894186b
Imlay, NV · 55 mi
898216a
Crescent Valley, NV · 55 mi

Nevada planting zones →

Questions about 89414

What planting zone is ZIP code 89414?

ZIP code 89414 (Golconda, NV) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Golconda, NV?

The median last spring frost (32 °F) near 89414 is May 16; after June 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Golconda station.

When is the first frost in Golconda, NV?

The median first fall frost near 89414 is October 1, giving a median frost-free growing season of 134 days.

When should I plant tomatoes in 89414?

Start tomato seeds indoors around Mar 21 – Apr 4 and set transplants outside around May 23 – Jun 6, one to three weeks after the median last frost.

How much rain and snow does 89414 get?

About 24.6 inches of precipitation a year (NOAA 1991–2020 normals, Golconda station).

How hot do summers get in Golconda, NV?

The average high peaks at 94 °F in July, with about 59 days a year at 90 °F or more.

What kind of soil does 89414 have?

The USDA soil survey maps Preble at the center of ZIP 89414: silt loam, somewhat poorly drained, pH about 8.8 (alkaline).

Did spring come early in Golconda, NV in 2026?

Spring leaf-out near 89414 came on Mar 16 in 2026, 5 days earlier than the 1991–2020 average (Mar 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Golconda, NV?

Long-day onions: the longest day near 89414 is 15 h 08 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).