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

Planting zone for 58077 — Walcott, ND

ZIP code 58077 (Walcott, Richland County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 6 and the first fall frost September 29.

Where ZIP 58077 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 6
First frostSep 29
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 Walcott, 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 Walcott, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 6median — 50% chance of a later frost
Safe for tender plantsMay 19only 10% chance of frost after
First fall frostSeptember 29median — 10% chance by Sep 18
Growing season145 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 29 and returns around October 8.

From the NOAA station Mc Leod 3 E, ND — 16 miles away, elevation 1,076 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 58077

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 25 – Apr 8
SpinachSow outdoors · Mar 25 – Apr 15
Broccoli, cabbageStart indoors · Feb 25 – Mar 11
Broccoli, cabbageTransplant · Apr 15 – Apr 29
Onion setsPlant outdoors · Apr 8 – Apr 22
PotatoesPlant outdoors · Apr 15 – Apr 29
LettuceSow outdoors · Apr 8 – Apr 22
Carrots, beetsSow outdoors · Apr 15 – Apr 29
TomatoesStart indoors · Mar 11 – Mar 25
TomatoesTransplant · May 13 – May 27
Peppers, eggplantStart indoors · Feb 25 – Mar 11
Peppers, eggplantTransplant · May 20 – Jun 3
BeansSow outdoors · May 13 – May 27
Sweet cornSow outdoors · May 13 – May 27
Cucumbers, squashSow outdoors · May 13 – May 27
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 6) 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 58077 came on Apr 21 — about the same time as the 1991–2020 average (Apr 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 Walcott, ND

The soil mapped at the center of ZIP 58077 is Ulen — fine sandy loam, somewhat poorly drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH7.9alkaline; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Ulen-Rosewood fine sandy loams, slightly saline, stratified substratum, 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 58077; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Walcott, ND

Summer high83 °Faverage high, July
Winter low−1 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights177nights a year at 32 °F or less
Growing degree days2,440base 50 °F — the season’s usable heat
Longest day15 h 50 mindaylight on June 21
Shortest day8 h 34 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 24 °F, low 3 °F 24°3° FebMarch: average high 38 °F, low 17 °F 38°17° MarApril: average high 55 °F, low 31 °F 55°31° AprMay: average high 69 °F, low 45 °F 69°45° MayJune: average high 78 °F, low 56 °F 78°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 25 °F, low 6 °F 25°6° 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: Mc Leod 3 E, ND (16 mi away); precipitation: Abercrombie 0.2 Nw, ND (13 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

North Dakota planting zones →

Questions about 58077

What planting zone is ZIP code 58077?

ZIP code 58077 (Walcott, 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 Walcott, ND?

The median last spring frost (32 °F) near 58077 is May 6; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mc Leod 3 E station.

When is the first frost in Walcott, ND?

The median first fall frost near 58077 is September 29, giving a median frost-free growing season of 145 days.

When should I plant tomatoes in 58077?

Start tomato seeds indoors around Mar 11 – Mar 25 and set transplants outside around May 13 – May 27, one to three weeks after the median last frost.

How much rain and snow does 58077 get?

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

How hot do summers get in Walcott, ND?

The average high peaks at 83 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 58077 have?

The USDA soil survey maps Ulen at the center of ZIP 58077: fine sandy loam, somewhat poorly drained, pH about 7.9 (alkaline).

Did spring come early in Walcott, ND in 2026?

Spring leaf-out near 58077 came on Apr 21 in 2026, about the same as the 1991–2020 average (Apr 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Walcott, ND?

Long-day onions: the longest day near 58077 is 15 h 50 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).