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

Planting zone for 55613 — Schroeder, MN

ZIP code 55613 (Schroeder, Cook County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 15 and the first fall frost October 1.

Where ZIP 55613 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.

Zone4b−25 to −20 °F

Coldest night−31.7 to −28.9 °C

Last frostMay 15

First frostOct 1

2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Schroeder, 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 Schroeder, MN

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 15median — 50% chance of a later frost

Safe for tender plantsMay 31only 10% chance of frost after

First fall frostOctober 1median — 10% chance by Sep 17

Growing season137 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 2 and returns around October 10.

From the NOAA station Wolf Ridge Elc, MN — 14 miles away, elevation 1,401 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 55613

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 3 – Apr 17

SpinachSow outdoors · Apr 3 – Apr 24

Broccoli, cabbageStart indoors · Mar 6 – Mar 20

Broccoli, cabbageTransplant · Apr 24 – May 8

Onion setsPlant outdoors · Apr 17 – May 1

PotatoesPlant outdoors · Apr 24 – May 8

LettuceSow outdoors · Apr 17 – May 1

Carrots, beetsSow outdoors · Apr 24 – May 8

TomatoesStart indoors · Mar 20 – Apr 3

TomatoesTransplant · May 22 – Jun 5

Peppers, eggplantStart indoors · Mar 6 – Mar 20

Peppers, eggplantTransplant · May 29 – Jun 12

BeansSow outdoors · May 22 – Jun 5

Sweet cornSow outdoors · May 22 – Jun 5

Cucumbers, squashSow outdoors · May 22 – Jun 5

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 15) 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 55613 came on May 9 — 4 days later than the 1991–2020 average (May 5).

average
May 52026
May 9

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 4b in Minnesota

497 plants native to the lower 48 states, recorded in Minnesota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

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 Schroeder, MN.

Soil in Schroeder, MN

The soil mapped at the center of ZIP 55613 is Twig — mucky peat, very poorly drained.

TextureMucky peattop layer

DrainageVery poorly drainedconsider raised beds

Organic matter85%high

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Twig-Tacoosh-Giese complex, 0 to 1 percent slopes, frequently ponded.

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 55613; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Schroeder, MN

Summer high76 °Faverage high, July

Winter low1 °Faverage low, January

Hot days3days a year at 90 °F or more

Freezing nights187nights a year at 32 °F or less

Growing degree days1,543base 50 °F — the season’s usable heat

Longest day15 h 59 mindaylight on June 21

Shortest day8 h 26 mindaylight on December 21

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

Precipitation31.9 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: Wolf Ridge Elc, MN (14 mi away); precipitation: Tofte 4.9 Ne, MN (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Silver Bay, MN · 24 mi

556014a

Beaver Bay, MN · 29 mi

556043b

Grand Marais, MN · 33 mi

556163b

Two Harbors, MN · 40 mi

Minnesota planting zones →

Questions about 55613

What planting zone is ZIP code 55613?

ZIP code 55613 (Schroeder, MN) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Schroeder, MN?

The median last spring frost (32 °F) near 55613 is May 15; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wolf Ridge Elc station.

When is the first frost in Schroeder, MN?

The median first fall frost near 55613 is October 1, giving a median frost-free growing season of 137 days.

When should I plant tomatoes in 55613?

Start tomato seeds indoors around Mar 20 – Apr 3 and set transplants outside around May 22 – Jun 5, one to three weeks after the median last frost.

How much rain and snow does 55613 get?

About 31.9 inches of precipitation a year (NOAA 1991–2020 normals, Tofte 4.9 Ne station).

How hot do summers get in Schroeder, MN?

The average high peaks at 76 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 55613 have?

The USDA soil survey maps Twig at the center of ZIP 55613: mucky peat, very poorly drained.

Did spring come early in Schroeder, MN in 2026?

Spring leaf-out near 55613 came on May 9 in 2026, 4 days later than the 1991–2020 average (May 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Schroeder, MN?

Long-day onions: the longest day near 55613 is 15 h 59 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).