Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 58212 — Aneta, ND

ZIP code 58212 (Aneta, Nelson County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 11 and the first fall frost September 28.

Where ZIP 58212 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.

Zone4a−30 to −25 °F

Coldest night−34.4 to −31.7 °C

Last frostMay 11

First frostSep 28

2012 zone4a

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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Aneta, 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 Aneta, ND

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 11median — 50% chance of a later frost

Safe for tender plantsMay 25only 10% chance of frost after

First fall frostSeptember 28median — 10% chance by Sep 16

Growing season139 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 2 and returns around October 8.

From the NOAA station Larimore 4sw, ND — 18 miles away, elevation 1,152 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 58212

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 30 – Apr 13

SpinachSow outdoors · Mar 30 – Apr 20

Broccoli, cabbageStart indoors · Mar 2 – Mar 16

Broccoli, cabbageTransplant · Apr 20 – May 4

Onion setsPlant outdoors · Apr 13 – Apr 27

PotatoesPlant outdoors · Apr 20 – May 4

LettuceSow outdoors · Apr 13 – Apr 27

Carrots, beetsSow outdoors · Apr 20 – May 4

TomatoesStart indoors · Mar 16 – Mar 30

TomatoesTransplant · May 18 – Jun 1

Peppers, eggplantStart indoors · Mar 2 – Mar 16

Peppers, eggplantTransplant · May 25 – Jun 8

BeansSow outdoors · May 18 – Jun 1

Sweet cornSow outdoors · May 18 – Jun 1

Cucumbers, squashSow outdoors · May 18 – Jun 1

Fall lettuce, spinachSow outdoors · Aug 3 – Aug 17

GarlicPlant cloves · Sep 14 – Oct 19

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 11) and first fall frost (Sep 28) 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 58212 came on Apr 26 — about the same time as the 1991–2020 average (Apr 25).

average
Apr 252026
Apr 26

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 4a in North Dakota

342 plants native to the lower 48 states, recorded in North Dakota, and rated by the USDA to survive −30 °F or colder — the bottom of zone 4a. Each links to its USDA PLANTS profile.

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 Aneta, ND.

Soil in Aneta, ND

The soil mapped at the center of ZIP 58212 is Vallers — loam, poorly drained.

TextureLoama good balance for most vegetables

pH7.9alkaline; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter4%moderate

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Vallers-Hamerly loams, saline, 0 to 3 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 58212; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Aneta, ND

Summer high80 °Faverage high, July

Winter low−4 °Faverage low, January

Hot days7days a year at 90 °F or more

Freezing nights192nights a year at 32 °F or less

Growing degree days2,058base 50 °F — the season’s usable heat

Longest day16 h 00 mindaylight on June 21

Shortest day8 h 25 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation22 inper year, rain and melted snow

Snowfall42 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Larimore 4sw, ND (18 mi away); precipitation: Cooperstown, ND (20 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

Northwood, ND · 18 mi

584254a

Cooperstown, ND · 18 mi

582514a

Larimore, ND · 23 mi

584484a

Hannaford, ND · 29 mi

North Dakota planting zones →

Questions about 58212

What planting zone is ZIP code 58212?

ZIP code 58212 (Aneta, ND) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Aneta, ND?

The median last spring frost (32 °F) near 58212 is May 11; after May 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Larimore 4sw station.

When is the first frost in Aneta, ND?

The median first fall frost near 58212 is September 28, giving a median frost-free growing season of 139 days.

When should I plant tomatoes in 58212?

Start tomato seeds indoors around Mar 16 – Mar 30 and set transplants outside around May 18 – Jun 1, one to three weeks after the median last frost.

How much rain and snow does 58212 get?

About 22 inches of precipitation a year and 42 inches of snowfall (NOAA 1991–2020 normals, Cooperstown station).

How hot do summers get in Aneta, ND?

The average high peaks at 80 °F in July, with about 7 days a year at 90 °F or more.

What kind of soil does 58212 have?

The USDA soil survey maps Vallers at the center of ZIP 58212: loam, poorly drained, pH about 7.9 (alkaline).

Did spring come early in Aneta, ND in 2026?

Spring leaf-out near 58212 came on Apr 26 in 2026, about the same as the 1991–2020 average (Apr 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Aneta, ND?

Long-day onions: the longest day near 58212 is 16 h 00 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).