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

Planting zone for 58528 — Cannon Ball, ND

ZIP code 58528 (Cannon Ball, Sioux County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 12 and the first fall frost September 24.

Where ZIP 58528 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 12

First frostSep 24

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 Cannon Ball, 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 Cannon Ball, ND

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 12median — 50% chance of a later frost

Safe for tender plantsMay 27only 10% chance of frost after

First fall frostSeptember 24median — 10% chance by Sep 11

Growing season134 daysfrost-free, median

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

From the NOAA station Breien, ND — 17 miles away, elevation 1,719 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 58528

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 31 – Apr 14

SpinachSow outdoors · Mar 31 – Apr 21

Broccoli, cabbageStart indoors · Mar 3 – Mar 17

Broccoli, cabbageTransplant · Apr 21 – May 5

Onion setsPlant outdoors · Apr 14 – Apr 28

PotatoesPlant outdoors · Apr 21 – May 5

LettuceSow outdoors · Apr 14 – Apr 28

Carrots, beetsSow outdoors · Apr 21 – May 5

TomatoesStart indoors · Mar 17 – Mar 31

TomatoesTransplant · May 19 – Jun 2

Peppers, eggplantStart indoors · Mar 3 – Mar 17

Peppers, eggplantTransplant · May 26 – Jun 9

BeansSow outdoors · May 19 – Jun 2

Sweet cornSow outdoors · May 19 – Jun 2

Cucumbers, squashSow outdoors · May 19 – Jun 2

Fall lettuce, spinachSow outdoors · Jul 30 – Aug 13

GarlicPlant cloves · Sep 10 – Oct 15

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 12) and first fall frost (Sep 24) 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 58528 came on Apr 8 — 10 days earlier than the 1991–2020 average (Apr 18).

average
Apr 182026
Apr 8

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 Cannon Ball, ND

The soil mapped at the center of ZIP 58528 is Janesburg — silt loam, well drained.

TextureSilt loama good balance for most vegetables

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter4%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Janesburg-Dogtooth complex, 0 to 6 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 58528; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cannon Ball, ND

Summer high86 °Faverage high, July

Winter low1 °Faverage low, January

Hot days26days a year at 90 °F or more

Freezing nights192nights a year at 32 °F or less

Growing degree days2,360base 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)

Precipitation19.1 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Breien, ND (17 mi away); precipitation: Ft Yates, ND (17 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Fort Yates, ND · 17 mi

585664a

Saint Anthony, ND · 23 mi

585734a

Strasburg, ND · 23 mi

585684b

Selfridge, ND · 25 mi

585604a

Moffit, ND · 27 mi

North Dakota planting zones →

Questions about 58528

What planting zone is ZIP code 58528?

ZIP code 58528 (Cannon Ball, 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 Cannon Ball, ND?

The median last spring frost (32 °F) near 58528 is May 12; after May 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Breien station.

When is the first frost in Cannon Ball, ND?

The median first fall frost near 58528 is September 24, giving a median frost-free growing season of 134 days.

When should I plant tomatoes in 58528?

Start tomato seeds indoors around Mar 17 – Mar 31 and set transplants outside around May 19 – Jun 2, one to three weeks after the median last frost.

How much rain and snow does 58528 get?

About 19.1 inches of precipitation a year (NOAA 1991–2020 normals, Ft Yates station).

How hot do summers get in Cannon Ball, ND?

The average high peaks at 86 °F in July, with about 26 days a year at 90 °F or more.

What kind of soil does 58528 have?

The USDA soil survey maps Janesburg at the center of ZIP 58528: silt loam, well drained, pH about 6.5 (neutral).

Did spring come early in Cannon Ball, ND in 2026?

Spring leaf-out near 58528 came on Apr 8 in 2026, 10 days earlier than the 1991–2020 average (Apr 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cannon Ball, ND?

Long-day onions: the longest day near 58528 is 15 h 48 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).