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

Planting zone for 58313 — Balta, ND

ZIP code 58313 (Balta, Pierce 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 58313 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 zone3b

Was 3b on the 2012 map — half a zone warmer now. 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 Balta, 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 Balta, 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 23only 10% chance of frost after

First fall frostSeptember 28median — 10% chance by Sep 18

Growing season138 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 3 and returns around October 6.

From the NOAA station Esmond 9 Nnw, ND — 9 miles away, elevation 1,631 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 58313

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 58313 came on Apr 28 — 3 days later than the 1991–2020 average (Apr 25).

average
Apr 252026
Apr 28

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 Balta, ND

The soil mapped at the center of ZIP 58313 is Heimdal — loam, well drained.

TextureLoama good balance for most vegetables

pH7.0neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter4%moderate

Hydrologic groupBwater soaks in moderately

Farmland classprime farmlandUSDA classification

Map unit: Heimdal-Emrick 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 58313; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Balta, ND

Summer high80 °Faverage high, July

Winter low−4 °Faverage low, January

Hot days6days a year at 90 °F or more

Freezing nights189nights a year at 32 °F or less

Growing degree days2,018base 50 °F — the season’s usable heat

Longest day16 h 04 mindaylight on June 21

Shortest day8 h 21 mindaylight on December 21

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

Precipitation21 inper year, rain and melted snow

Snowfall43 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Esmond 9 Nnw, ND (9 mi away); precipitation: Rugby, ND (13 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Karlsruhe, ND · 26 mi

North Dakota planting zones →

Questions about 58313

What planting zone is ZIP code 58313?

ZIP code 58313 (Balta, 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 Balta, ND?

The median last spring frost (32 °F) near 58313 is May 11; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Esmond 9 Nnw station.

When is the first frost in Balta, ND?

The median first fall frost near 58313 is September 28, giving a median frost-free growing season of 138 days.

When should I plant tomatoes in 58313?

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 58313 get?

About 21 inches of precipitation a year and 43 inches of snowfall (NOAA 1991–2020 normals, Rugby station).

How hot do summers get in Balta, ND?

The average high peaks at 80 °F in July, with about 6 days a year at 90 °F or more.

What kind of soil does 58313 have?

The USDA soil survey maps Heimdal at the center of ZIP 58313: loam, well drained, pH about 7.0 (neutral).

Did spring come early in Balta, ND in 2026?

Spring leaf-out near 58313 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 Balta, ND?

Long-day onions: the longest day near 58313 is 16 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 58313 change?

Yes. The 2012 USDA map put 58313 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.