Planting zone for 58331 — Egeland, ND
ZIP code 58331 (Egeland, Towner County) is in USDA zone 3b: the coldest winter night averages −35 to −30 °F. The median last spring frost is May 18 and the first fall frost September 23.
Where ZIP 58331 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 ServiceLoading the forecast for Egeland, 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 Egeland, ND
A hard freeze (28 °F) usually ends around May 8 and returns around October 1.
From the NOAA station Hansboro 4 Nne, ND — 27 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 58331
Counted from the median last spring frost (May 18) and first fall frost (Sep 23) 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 58331 came on May 8 — 10 days later than the 1991–2020 average (Apr 28).
Apr 282026
May 8
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 Egeland, ND.
Soil in Egeland, ND
The soil mapped at the center of ZIP 58331 is Hamerly — loam, somewhat poorly drained.
Map unit: Hamerly-Wyard loams, 0 to 4 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 58331; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Egeland, ND
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hansboro 4 Nne, ND (27 mi away); precipitation: Cando 1e, ND (12 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.
Questions about 58331
What planting zone is ZIP code 58331?
ZIP code 58331 (Egeland, 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 Egeland, ND?
The median last spring frost (32 °F) near 58331 is May 18; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hansboro 4 Nne station.
When is the first frost in Egeland, ND?
The median first fall frost near 58331 is September 23, giving a median frost-free growing season of 127 days.
When should I plant tomatoes in 58331?
Start tomato seeds indoors around Mar 23 – Apr 6 and set transplants outside around May 25 – Jun 8, one to three weeks after the median last frost.
How much rain and snow does 58331 get?
About 20.5 inches of precipitation a year (NOAA 1991–2020 normals, Cando 1e station).
How hot do summers get in Egeland, ND?
The average high peaks at 81 °F in July, with about 7 days a year at 90 °F or more.
What kind of soil does 58331 have?
The USDA soil survey maps Hamerly at the center of ZIP 58331: loam, somewhat poorly drained, pH about 7.5 (slightly alkaline).
Did spring come early in Egeland, ND in 2026?
Spring leaf-out near 58331 came on May 8 in 2026, 10 days later than the 1991–2020 average (Apr 28), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Egeland, ND?
Long-day onions: the longest day near 58331 is 16 h 09 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).