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

Planting zone for 58229 — Fairdale, ND

ZIP code 58229 (Fairdale, Walsh County) is in USDA zone 3b: the coldest winter night averages −35 to −30 °F. The median last spring frost is May 15 and the first fall frost September 22.

Where ZIP 58229 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 15
First frostSep 22
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 Fairdale, 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 Fairdale, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 15median — 50% chance of a later frost
Safe for tender plantsMay 31only 10% chance of frost after
First fall frostSeptember 22median — 10% chance by Sep 11
Growing season128 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 4 and returns around October 1.

From the NOAA station Edmore 4nw, ND — 13 miles away, elevation 1,539 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 58229

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 3 – Apr 17
SpinachSow outdoors · Apr 3 – Apr 24
Broccoli, cabbageStart indoors · Mar 6 – Mar 20
Broccoli, cabbageTransplant · Apr 24 – May 8
Onion setsPlant outdoors · Apr 17 – May 1
PotatoesPlant outdoors · Apr 24 – May 8
LettuceSow outdoors · Apr 17 – May 1
Carrots, beetsSow outdoors · Apr 24 – May 8
TomatoesStart indoors · Mar 20 – Apr 3
TomatoesTransplant · May 22 – Jun 5
Peppers, eggplantStart indoors · Mar 6 – Mar 20
Peppers, eggplantTransplant · May 29 – Jun 12
BeansSow outdoors · May 22 – Jun 5
Sweet cornSow outdoors · May 22 – Jun 5
Cucumbers, squashSow outdoors · May 22 – Jun 5
Fall lettuce, spinachSow outdoors · Jul 28 – Aug 11
GarlicPlant cloves · Sep 8 – Oct 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 15) and first fall frost (Sep 22) 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 58229 came on May 8 — 9 days later than the 1991–2020 average (Apr 29).

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 Fairdale, ND

The soil mapped at the center of ZIP 58229 is Hamerly — loam, somewhat poorly drained.

TextureLoama good balance for most vegetables
pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter4%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Hamerly-Wyard loams, 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 58229; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Fairdale, ND

Summer high78 °Faverage high, July
Winter low−6 °Faverage low, January
Hot days4days a year at 90 °F or more
Freezing nights197nights a year at 32 °F or less
Growing degree days1,787base 50 °F — the season’s usable heat
Longest day16 h 08 mindaylight on June 21
Shortest day8 h 18 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation21.9 inper year, rain and melted snow
Snowfall38 inper year; 129 days with snow on the ground

Average high and low, by month

−20°−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 13 °F, low -6 °F 13°−6° JanFebruary: average high 18 °F, low -3 °F 18°−3° FebMarch: average high 31 °F, low 11 °F 31°11° MarApril: average high 49 °F, low 28 °F 49°28° AprMay: average high 64 °F, low 41 °F 64°41° MayJune: average high 73 °F, low 51 °F 73°51° JunJuly: average high 78 °F, low 55 °F 78°55° JulAugust: average high 78 °F, low 53 °F 78°53° AugSeptember: average high 69 °F, low 43 °F 69°43° SepOctober: average high 52 °F, low 30 °F 52°30° OctNovember: average high 34 °F, low 15 °F 34°15° NovDecember: average high 19 °F, low 1 °F 19°1° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.70 in precipitation, 6.9 in snowfall 0.7❄7 JanFebruary: 0.43 in precipitation, 4.5 in snowfall 0.4❄5 FebMarch: 0.84 in precipitation, 5.1 in snowfall 0.8❄5 MarApril: 1.18 in precipitation, 3.7 in snowfall 1.2❄4 AprMay: 2.90 in precipitation, 0.7 in snowfall 2.9❄1 MayJune: 3.90 in precipitation 3.9 JunJuly: 3.71 in precipitation 3.7 JulAugust: 2.85 in precipitation 2.9 AugSeptember: 2.05 in precipitation 2.0 SepOctober: 1.53 in precipitation, 2.1 in snowfall 1.5❄2 OctNovember: 0.94 in precipitation, 5.7 in snowfall 0.9❄6 NovDecember: 0.87 in precipitation, 9.3 in snowfall 0.9❄9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Edmore 4nw, ND (13 mi away); precipitation: Edmore 4nw, ND (13 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

583553b
Nekoma, ND · 8 mi
582103b
Adams, ND · 10 mi
583303b
Edmore, ND · 12 mi
582603b
Milton, ND · 12 mi
582693b
Osnabrock, ND · 13 mi
583454a
Lawton, ND · 16 mi
582274a
Edinburg, ND · 16 mi
582504a
Lankin, ND · 19 mi

North Dakota planting zones →

Questions about 58229

What planting zone is ZIP code 58229?

ZIP code 58229 (Fairdale, 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 Fairdale, ND?

The median last spring frost (32 °F) near 58229 is May 15; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Edmore 4nw station.

When is the first frost in Fairdale, ND?

The median first fall frost near 58229 is September 22, giving a median frost-free growing season of 128 days.

When should I plant tomatoes in 58229?

Start tomato seeds indoors around Mar 20 – Apr 3 and set transplants outside around May 22 – Jun 5, one to three weeks after the median last frost.

How much rain and snow does 58229 get?

About 21.9 inches of precipitation a year and 38 inches of snowfall (NOAA 1991–2020 normals, Edmore 4nw station).

How hot do summers get in Fairdale, ND?

The average high peaks at 78 °F in July, with about 4 days a year at 90 °F or more.

What kind of soil does 58229 have?

The USDA soil survey maps Hamerly at the center of ZIP 58229: loam, somewhat poorly drained, pH about 7.5 (slightly alkaline).

Did spring come early in Fairdale, ND in 2026?

Spring leaf-out near 58229 came on May 8 in 2026, 9 days later than the 1991–2020 average (Apr 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Fairdale, ND?

Long-day onions: the longest day near 58229 is 16 h 08 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).