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

Planting zone for 58632 — Golva, ND

ZIP code 58632 (Golva, Golden Valley County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 18 and the first fall frost September 29.

Where ZIP 58632 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostMay 18
First frostSep 29
2012 zone4a

Was 4a 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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Golva, ND…

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 Golva, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 18median — 50% chance of a later frost
Safe for tender plantsMay 31only 10% chance of frost after
First fall frostSeptember 29median — 10% chance by Sep 13
Growing season134 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 6 and returns around October 6.

From the NOAA station Carlyle 13 Nw, MT — 17 miles away, elevation 3,146 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 58632

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 6 – Apr 20
SpinachSow outdoors · Apr 6 – Apr 27
Broccoli, cabbageStart indoors · Mar 9 – Mar 23
Broccoli, cabbageTransplant · Apr 27 – May 11
Onion setsPlant outdoors · Apr 20 – May 4
PotatoesPlant outdoors · Apr 27 – May 11
LettuceSow outdoors · Apr 20 – May 4
Carrots, beetsSow outdoors · Apr 27 – May 11
TomatoesStart indoors · Mar 23 – Apr 6
TomatoesTransplant · May 25 – Jun 8
Peppers, eggplantStart indoors · Mar 9 – Mar 23
Peppers, eggplantTransplant · Jun 1 – Jun 15
BeansSow outdoors · May 25 – Jun 8
Sweet cornSow outdoors · May 25 – Jun 8
Cucumbers, squashSow outdoors · May 25 – Jun 8
Fall lettuce, spinachSow outdoors · Aug 4 – Aug 18
GarlicPlant cloves · Sep 15 – Oct 20
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 18) and first fall frost (Sep 29) 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 58632 came on Apr 8 — 8 days earlier than the 1991–2020 average (Apr 16).

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 4b in North Dakota

372 plants native to the lower 48 states, recorded in North Dakota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 22

Shrubs 58

Wildflowers & perennials 165

Grasses 117

Vines 4

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 Golva, ND.

Soil in Golva, ND

The soil mapped at the center of ZIP 58632 is Belfield — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Belfield-Wyola-Daglum complex, 2 to 6 percent slopes.

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 58632; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Golva, ND

Summer high82 °Faverage high, July
Winter low9 °Faverage low, January
Hot days20days a year at 90 °F or more
Freezing nights176nights a year at 32 °F or less
Growing degree days2,092base 50 °F — the season’s usable heat
Longest day15 h 51 mindaylight on June 21
Shortest day8 h 33 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation16.4 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 27 °F, low 9 °F 27°9° JanFebruary: average high 30 °F, low 12 °F 30°12° FebMarch: average high 42 °F, low 21 °F 42°21° MarApril: average high 53 °F, low 31 °F 53°31° AprMay: average high 63 °F, low 41 °F 63°41° MayJune: average high 73 °F, low 50 °F 73°50° JunJuly: average high 82 °F, low 57 °F 82°57° JulAugust: average high 82 °F, low 55 °F 82°55° AugSeptember: average high 71 °F, low 46 °F 71°46° SepOctober: average high 55 °F, low 33 °F 55°33° OctNovember: average high 40 °F, low 22 °F 40°22° NovDecember: average high 30 °F, low 13 °F 30°13° Dec

Precipitation by month inches

0″1″2″3″January: 0.45 in precipitation 0.5 JanFebruary: 0.56 in precipitation 0.6 FebMarch: 0.71 in precipitation 0.7 MarApril: 1.54 in precipitation 1.5 AprMay: 2.61 in precipitation 2.6 MayJune: 2.85 in precipitation 2.9 JunJuly: 2.07 in precipitation 2.1 JulAugust: 1.67 in precipitation 1.7 AugSeptember: 1.56 in precipitation 1.6 SepOctober: 1.28 in precipitation 1.3 OctNovember: 0.59 in precipitation 0.6 NovDecember: 0.53 in precipitation 0.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Carlyle 13 Nw, MT (17 mi away); precipitation: Beach 0.3 Sse, ND (16 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

North Dakota planting zones →

Questions about 58632

What planting zone is ZIP code 58632?

ZIP code 58632 (Golva, ND) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Golva, ND?

The median last spring frost (32 °F) near 58632 is May 18; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Carlyle 13 Nw station.

When is the first frost in Golva, ND?

The median first fall frost near 58632 is September 29, giving a median frost-free growing season of 134 days.

When should I plant tomatoes in 58632?

Start tomato seeds indoors around Mar 23 – Apr 6 and set transplants outside around May 25 – Jun 8, one to three weeks after the median last frost.

How much rain and snow does 58632 get?

About 16.4 inches of precipitation a year (NOAA 1991–2020 normals, Beach 0.3 Sse station).

How hot do summers get in Golva, ND?

The average high peaks at 82 °F in July, with about 20 days a year at 90 °F or more.

What kind of soil does 58632 have?

The USDA soil survey maps Belfield at the center of ZIP 58632: silt loam, moderately well drained, pH about 7.0 (neutral).

Did spring come early in Golva, ND in 2026?

Spring leaf-out near 58632 came on Apr 8 in 2026, 8 days earlier than the 1991–2020 average (Apr 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Golva, ND?

Long-day onions: the longest day near 58632 is 15 h 51 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 58632 change?

Yes. The 2012 USDA map put 58632 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.