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

Planting zone for 58076 — Wahpeton, ND

ZIP code 58076 (Wahpeton, Richland County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 4 and the first fall frost October 3.

Where ZIP 58076 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 4
First frostOct 3
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 Wahpeton, 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 Wahpeton, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 4median — 50% chance of a later frost
Safe for tender plantsMay 17only 10% chance of frost after
First fall frostOctober 3median — 10% chance by Sep 21
Growing season152 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 24 and returns around October 14.

From the NOAA station Breckenridge 3e, MN — 4 miles away, elevation 971 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 58076

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 23 – Apr 6
SpinachSow outdoors · Mar 23 – Apr 13
Broccoli, cabbageStart indoors · Feb 23 – Mar 9
Broccoli, cabbageTransplant · Apr 13 – Apr 27
Onion setsPlant outdoors · Apr 6 – Apr 20
PotatoesPlant outdoors · Apr 13 – Apr 27
LettuceSow outdoors · Apr 6 – Apr 20
Carrots, beetsSow outdoors · Apr 13 – Apr 27
TomatoesStart indoors · Mar 9 – Mar 23
TomatoesTransplant · May 11 – May 25
Peppers, eggplantStart indoors · Feb 23 – Mar 9
Peppers, eggplantTransplant · May 18 – Jun 1
BeansSow outdoors · May 11 – May 25
Sweet cornSow outdoors · May 11 – May 25
Cucumbers, squashSow outdoors · May 11 – May 25
Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22
GarlicPlant cloves · Sep 19 – Oct 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 4) and first fall frost (Oct 3) 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 58076 came on Apr 21 — about the same time as the 1991–2020 average (Apr 20).

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.

Trees 21

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigtooth aspen65 ft · blooms mid spring · high shade tolerance · to −43 °Fblack ash65 ft · blooms early spring · high shade tolerance · to −47 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °F

Shrubs 56

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °F

Wildflowers & perennials 146

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine sweetvetch2 ft · blooms early summer · high shade tolerance · to −62 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °F

Grasses 110

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 4

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fwestern 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 Wahpeton, ND.

Soil in Wahpeton, ND

The soil mapped at the center of ZIP 58076 is Aquerts — silty clay, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSilty clayholds water and nutrients; slow to drain and warm up
pH7.2neutral; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter5%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Urban Land-Aquerts complex, 0 to 2 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 58076; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Wahpeton, ND

Summer high83 °Faverage high, July
Winter low−1 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights178nights a year at 32 °F or less
Growing degree days2,421base 50 °F — the season’s usable heat
Longest day15 h 48 mindaylight on June 21
Shortest day8 h 36 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation25.2 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 19 °F, low -1 °F 19°−1° JanFebruary: average high 23 °F, low 2 °F 23°2° FebMarch: average high 37 °F, low 17 °F 37°17° MarApril: average high 54 °F, low 31 °F 54°31° AprMay: average high 68 °F, low 45 °F 68°45° MayJune: average high 77 °F, low 56 °F 77°56° JunJuly: average high 83 °F, low 60 °F 83°60° JulAugust: average high 81 °F, low 57 °F 81°57° AugSeptember: average high 73 °F, low 48 °F 73°48° SepOctober: average high 57 °F, low 34 °F 57°34° OctNovember: average high 39 °F, low 20 °F 39°20° NovDecember: average high 24 °F, low 7 °F 24°7° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.65 in precipitation 0.7 JanFebruary: 0.64 in precipitation 0.6 FebMarch: 1.14 in precipitation 1.1 MarApril: 1.95 in precipitation 1.9 AprMay: 3.38 in precipitation 3.4 MayJune: 4.11 in precipitation 4.1 JunJuly: 3.52 in precipitation 3.5 JulAugust: 2.85 in precipitation 2.9 AugSeptember: 2.86 in precipitation 2.9 SepOctober: 2.33 in precipitation 2.3 OctNovember: 0.85 in precipitation 0.8 NovDecember: 0.91 in precipitation 0.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Breckenridge 3e, MN (4 mi away); precipitation: Abercrombie 0.2 Nw, ND (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

565204a
Breckenridge, MN · 5 mi
580754a
Wahpeton, ND · 6 mi
565534a
Kent, MN · 11 mi
565434a
Foxhome, MN · 13 mi
580744a
Wahpeton, ND · 13 mi
580014a
Abercrombie, ND · 14 mi
580614a
Mooreton, ND · 14 mi
565224a
Campbell, MN · 14 mi

All 3 ZIP codes in Wahpeton → · North Dakota planting zones →

Questions about 58076

What planting zone is ZIP code 58076?

ZIP code 58076 (Wahpeton, 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 Wahpeton, ND?

The median last spring frost (32 °F) near 58076 is May 4; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Breckenridge 3e station.

When is the first frost in Wahpeton, ND?

The median first fall frost near 58076 is October 3, giving a median frost-free growing season of 152 days.

When should I plant tomatoes in 58076?

Start tomato seeds indoors around Mar 9 – Mar 23 and set transplants outside around May 11 – May 25, one to three weeks after the median last frost.

How much rain and snow does 58076 get?

About 25.2 inches of precipitation a year (NOAA 1991–2020 normals, Abercrombie 0.2 Nw station).

How hot do summers get in Wahpeton, ND?

The average high peaks at 83 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 58076 have?

The USDA soil survey maps Aquerts at the center of ZIP 58076: silty clay, poorly drained, pH about 7.2 (neutral).

Did spring come early in Wahpeton, ND in 2026?

Spring leaf-out near 58076 came on Apr 21 in 2026, about the same as the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Wahpeton, ND?

Long-day onions: the longest day near 58076 is 15 h 48 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).