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

Planting zone for 55734 — Eveleth, MN

ZIP code 55734 (Eveleth, St. Louis County) is in USDA zone 3b: the coldest winter night averages −35 to −30 °F. The median last spring frost is May 12 and the first fall frost October 1.

Where ZIP 55734 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 12
First frostOct 1
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 Eveleth, MN…

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 Eveleth, MN

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 28only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 18
Growing season141 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 3 and returns around October 13.

From the NOAA station Eveleth Wwtp, MN — 5 miles away, elevation 1,444 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 55734

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 · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 12) and first fall frost (Oct 1) 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 55734 came on Apr 30 — about the same time as the 1991–2020 average (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).

Native plants for zone 3b in Minnesota

287 plants native to the lower 48 states, recorded in Minnesota, and rated by the USDA to survive −35 °F or colder — the bottom of zone 3b. Each links to its USDA PLANTS profile.

Trees 33

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °Fbalsam fir60 ft · blooms mid summer · low shade tolerance · to −43 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigtooth aspen65 ft · blooms mid spring · high shade tolerance · to −43 °F

Shrubs 50

Allegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican mountain ash40 ft · blooms early summer · medium shade tolerance · to −38 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °F

Wildflowers & perennials 102

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican vetch1.3 ft · blooms late spring · high shade tolerance · to −38 °F

Grasses 93

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbasin wildrye5 ft · blooms early spring · high shade tolerance · to −43 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °FBicknell's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 2

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °F

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 Eveleth, MN.

Soil in Eveleth, MN

The soil mapped at the center of ZIP 55734 is Wabuse — sandy loam, poorly drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.2strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter6%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Wabuse-Vasso complex, 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 55734; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eveleth, MN

Summer high77 °Faverage high, July
Winter low−1 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights189nights a year at 32 °F or less
Growing degree days1,723base 50 °F — the season’s usable heat
Longest day15 h 57 mindaylight on June 21
Shortest day8 h 27 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation27.6 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 17 °F, low -1 °F 17°−1° JanFebruary: average high 22 °F, low 2 °F 22°2° FebMarch: average high 35 °F, low 14 °F 35°14° MarApril: average high 49 °F, low 28 °F 49°28° AprMay: average high 63 °F, low 41 °F 63°41° MayJune: average high 72 °F, low 51 °F 72°51° JunJuly: average high 77 °F, low 56 °F 77°56° JulAugust: average high 76 °F, low 54 °F 76°54° AugSeptember: average high 66 °F, low 45 °F 66°45° SepOctober: average high 51 °F, low 33 °F 51°33° OctNovember: average high 35 °F, low 20 °F 35°20° NovDecember: average high 22 °F, low 6 °F 22°6° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.77 in precipitation 0.8 JanFebruary: 0.70 in precipitation 0.7 FebMarch: 1.16 in precipitation 1.2 MarApril: 1.95 in precipitation 1.9 AprMay: 3.00 in precipitation 3.0 MayJune: 4.25 in precipitation 4.3 JunJuly: 3.92 in precipitation 3.9 JulAugust: 3.49 in precipitation 3.5 AugSeptember: 3.44 in precipitation 3.4 SepOctober: 2.55 in precipitation 2.5 OctNovember: 1.35 in precipitation 1.4 NovDecember: 1.00 in precipitation 1.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Eveleth Wwtp, MN (5 mi away); precipitation: Eveleth Wwtp, MN (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 3b.

557413b
Gilbert, MN · 7 mi
557513b
Iron, MN · 8 mi
557773b
Virginia, MN · 9 mi
557663b
Melrude, MN · 10 mi
557383b
Forbes, MN · 12 mi
557053b
Aurora, MN · 12 mi
557083b
Biwabik, MN · 13 mi
557683b
Mountain Iron, MN · 13 mi

Minnesota planting zones →

Questions about 55734

What planting zone is ZIP code 55734?

ZIP code 55734 (Eveleth, MN) 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 Eveleth, MN?

The median last spring frost (32 °F) near 55734 is May 12; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Eveleth Wwtp station.

When is the first frost in Eveleth, MN?

The median first fall frost near 55734 is October 1, giving a median frost-free growing season of 141 days.

When should I plant tomatoes in 55734?

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 55734 get?

About 27.6 inches of precipitation a year (NOAA 1991–2020 normals, Eveleth Wwtp station).

How hot do summers get in Eveleth, MN?

The average high peaks at 77 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 55734 have?

The USDA soil survey maps Wabuse at the center of ZIP 55734: sandy loam, poorly drained, pH about 5.2 (strongly acidic).

Did spring come early in Eveleth, MN in 2026?

Spring leaf-out near 55734 came on Apr 30 in 2026, about the same as the 1991–2020 average (Apr 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eveleth, MN?

Long-day onions: the longest day near 55734 is 15 h 57 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).