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

Planting zone for 58384 — Willow City, ND

ZIP code 58384 (Willow City, Bottineau County) is in USDA zone 3b: the coldest winter night averages −35 to −30 °F. The median last spring frost is May 21 and the first fall frost September 20.

Where ZIP 58384 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.

Zone3b−35 to −30 °F
Coldest night−37.2 to −34.4 °C
Last frostMay 21
First frostSep 20
2012 zone3b

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 3b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Willow City, 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 Willow City, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 21median — 50% chance of a later frost
Safe for tender plantsJune 1only 10% chance of frost after
First fall frostSeptember 20median — 10% chance by Sep 5
Growing season119 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 13 and returns around September 27.

From the NOAA station Willow City, ND — within 1 mile, elevation 1,473 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 58384

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 9 – Apr 23
SpinachSow outdoors · Apr 9 – Apr 30
Broccoli, cabbageStart indoors · Mar 12 – Mar 26
Broccoli, cabbageTransplant · Apr 30 – May 14
Onion setsPlant outdoors · Apr 23 – May 7
PotatoesPlant outdoors · Apr 30 – May 14
LettuceSow outdoors · Apr 23 – May 7
Carrots, beetsSow outdoors · Apr 30 – May 14
TomatoesStart indoors · Mar 26 – Apr 9
TomatoesTransplant · May 28 – Jun 11
Peppers, eggplantStart indoors · Mar 12 – Mar 26
Peppers, eggplantTransplant · Jun 4 – Jun 18
BeansSow outdoors · May 28 – Jun 11
Sweet cornSow outdoors · May 28 – Jun 11
Cucumbers, squashSow outdoors · May 28 – Jun 11
Fall lettuce, spinachSow outdoors · Jul 26 – Aug 9
GarlicPlant cloves · Sep 6 – Oct 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 21) and first fall frost (Sep 20) 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 58384 came on Apr 28 — 3 days later than the 1991–2020 average (Apr 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).

Native plants for zone 3b in North Dakota

249 plants native to the lower 48 states, recorded in North Dakota, and rated by the USDA to survive −35 °F or colder — the bottom of zone 3b. Each links to its USDA PLANTS profile.

Trees 20

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 42

American black currant3 ft · blooms early spring · to −46 °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 °Fblack hawthorn15 ft · blooms mid spring · medium shade tolerance · to −47 °Fbog birch20 ft · blooms mid spring · high shade tolerance · to −38 °F

Wildflowers & perennials 91

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine sweetvetch2 ft · blooms early summer · high shade tolerance · to −62 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican vetch1.3 ft · blooms late spring · high shade tolerance · to −38 °FAmerican water horehound1.8 ft · blooms early summer · low shade tolerance · to −38 °F

Grasses 88

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 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °FBicknell's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 3

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °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 Willow City, ND.

Soil in Willow City, ND

The soil mapped at the center of ZIP 58384 is Hecla — loamy fine sand, moderately well drained.

TextureLoamy fine sanddrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter3%moderate
Hydrologic groupAwater soaks in fast
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Hecla loamy fine sand, 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 58384; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Willow City, ND

Summer high80 °Faverage high, July
Winter low−6 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights206nights a year at 32 °F or less
Growing degree days1,729base 50 °F — the season’s usable heat
Longest day16 h 08 mindaylight on June 21
Shortest day8 h 17 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation18.9 inper year, rain and melted snow

Average high and low, by month

−20°−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 15 °F, low -6 °F 15°−6° JanFebruary: average high 20 °F, low -2 °F 20°−2° FebMarch: average high 33 °F, low 11 °F 33°11° MarApril: average high 52 °F, low 26 °F 52°26° AprMay: average high 66 °F, low 37 °F 66°37° MayJune: average high 75 °F, low 49 °F 75°49° JunJuly: average high 80 °F, low 53 °F 80°53° JulAugust: average high 80 °F, low 50 °F 80°50° AugSeptember: average high 70 °F, low 40 °F 70°40° SepOctober: average high 54 °F, low 28 °F 54°28° OctNovember: average high 35 °F, low 14 °F 35°14° NovDecember: average high 21 °F, low 2 °F 21°2° Dec

Precipitation by month inches

0″1″2″3″4″January: 0.46 in precipitation 0.5 JanFebruary: 0.50 in precipitation 0.5 FebMarch: 0.77 in precipitation 0.8 MarApril: 1.11 in precipitation 1.1 AprMay: 2.61 in precipitation 2.6 MayJune: 3.82 in precipitation 3.8 JunJuly: 2.81 in precipitation 2.8 JulAugust: 2.43 in precipitation 2.4 AugSeptember: 1.69 in precipitation 1.7 SepOctober: 1.32 in precipitation 1.3 OctNovember: 0.79 in precipitation 0.8 NovDecember: 0.64 in precipitation 0.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Willow City, ND (within 1 mile); precipitation: Willow City, ND (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 3b.

587133b
Bantry, ND · 17 mi
587483b
Kramer, ND · 17 mi
583663b
Rolette, ND · 18 mi
583183b
Bottineau, ND · 19 mi
583293b
Dunseith, ND · 20 mi
587883b
Towner, ND · 21 mi
587893b
Upham, ND · 25 mi
583683b
Rugby, ND · 27 mi

North Dakota planting zones →

Questions about 58384

What planting zone is ZIP code 58384?

ZIP code 58384 (Willow City, ND) is in USDA hardiness zone 3b on the 2023 map: the coldest night of an average winter reaches −35 to −30 °F (−37.2 to −34.4 °C).

When is the last frost in Willow City, ND?

The median last spring frost (32 °F) near 58384 is May 21; after June 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Willow City station.

When is the first frost in Willow City, ND?

The median first fall frost near 58384 is September 20, giving a median frost-free growing season of 119 days.

When should I plant tomatoes in 58384?

Start tomato seeds indoors around Mar 26 – Apr 9 and set transplants outside around May 28 – Jun 11, one to three weeks after the median last frost.

How much rain and snow does 58384 get?

About 18.9 inches of precipitation a year (NOAA 1991–2020 normals, Willow City station).

How hot do summers get in Willow City, ND?

The average high peaks at 80 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 58384 have?

The USDA soil survey maps Hecla at the center of ZIP 58384: loamy fine sand, moderately well drained, pH about 7.0 (neutral).

Did spring come early in Willow City, ND in 2026?

Spring leaf-out near 58384 came on Apr 28 in 2026, 3 days later than the 1991–2020 average (Apr 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Willow City, ND?

Long-day onions: the longest day near 58384 is 16 h 08 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).