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

Planting zone for 58852 — Tioga, ND

ZIP code 58852 (Tioga, Williams County) is in USDA zone 3b: the coldest winter night averages −35 to −30 °F. The median last spring frost is May 11 and the first fall frost September 26.

Where ZIP 58852 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 11
First frostSep 26
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 Tioga, 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 Tioga, 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 24only 10% chance of frost after
First fall frostSeptember 26median — 10% chance by Sep 13
Growing season136 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 2 and returns around October 5.

From the NOAA station Tioga 1e, ND — within 1 mile, elevation 2,244 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 58852

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 1 – Aug 15
GarlicPlant cloves · Sep 12 – Oct 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 11) and first fall frost (Sep 26) 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 58852 came on Apr 24 — about the same time as 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

Shrubs 42

Wildflowers & perennials 91

Grasses 88

Vines 3

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 Tioga, ND.

Soil in Tioga, ND

The soil mapped at the center of ZIP 58852 is Appam — sandy loam, somewhat excessively drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH6.9neutral; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter3%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Appam sandy loam, 2 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 58852; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Tioga, ND

Summer high83 °Faverage high, July
Winter low2 °Faverage low, January
Hot days16days a year at 90 °F or more
Freezing nights196nights a year at 32 °F or less
Growing degree days2,256base 50 °F — the season’s usable heat
Longest day16 h 06 mindaylight on June 21
Shortest day8 h 19 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation15.4 inper year, rain and melted snow
Snowfall44 inper year; 119 days with snow on the ground

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 20 °F, low 2 °F 20°2° JanFebruary: average high 25 °F, low 7 °F 25°7° FebMarch: average high 38 °F, low 19 °F 38°19° MarApril: average high 54 °F, low 31 °F 54°31° AprMay: average high 67 °F, low 43 °F 67°43° MayJune: average high 76 °F, low 53 °F 76°53° JunJuly: average high 83 °F, low 58 °F 83°58° JulAugust: average high 83 °F, low 56 °F 83°56° AugSeptember: average high 72 °F, low 46 °F 72°46° SepOctober: average high 55 °F, low 33 °F 55°33° OctNovember: average high 38 °F, low 20 °F 38°20° NovDecember: average high 24 °F, low 8 °F 24°8° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.51 in precipitation, 8 in snowfall 0.5❄8 JanFebruary: 0.37 in precipitation, 4.4 in snowfall 0.4❄4 FebMarch: 0.50 in precipitation, 6.1 in snowfall 0.5❄6 MarApril: 1.00 in precipitation, 3.6 in snowfall 1.0❄4 AprMay: 2.13 in precipitation, 0.1 in snowfall 2.1 MayJune: 3.23 in precipitation 3.2 JunJuly: 2.78 in precipitation 2.8 JulAugust: 1.61 in precipitation 1.6 AugSeptember: 1.05 in precipitation 1.1 SepOctober: 0.99 in precipitation, 3.6 in snowfall 1.0❄4 OctNovember: 0.58 in precipitation, 7.5 in snowfall 0.6❄8 NovDecember: 0.66 in precipitation, 10.4 in snowfall 0.7❄10 Dec

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

Nearby ZIP codes

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

North Dakota planting zones →

Questions about 58852

What planting zone is ZIP code 58852?

ZIP code 58852 (Tioga, 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 Tioga, ND?

The median last spring frost (32 °F) near 58852 is May 11; after May 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Tioga 1e station.

When is the first frost in Tioga, ND?

The median first fall frost near 58852 is September 26, giving a median frost-free growing season of 136 days.

When should I plant tomatoes in 58852?

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 58852 get?

About 15.4 inches of precipitation a year and 44 inches of snowfall (NOAA 1991–2020 normals, Tioga 1e station).

How hot do summers get in Tioga, ND?

The average high peaks at 83 °F in July, with about 16 days a year at 90 °F or more.

What kind of soil does 58852 have?

The USDA soil survey maps Appam at the center of ZIP 58852: sandy loam, somewhat excessively drained, pH about 6.9 (neutral).

Did spring come early in Tioga, ND in 2026?

Spring leaf-out near 58852 came on Apr 24 in 2026, about the same as the 1991–2020 average (Apr 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Tioga, ND?

Long-day onions: the longest day near 58852 is 16 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).