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

Planting zone for 55350 — Hutchinson, MN

ZIP code 55350 (Hutchinson, McLeod County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is April 28 and the first fall frost October 8.

Where ZIP 55350 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 frostApr 28
First frostOct 8
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 Hutchinson, 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 Hutchinson, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 10only 10% chance of frost after
First fall frostOctober 8median — 10% chance by Sep 25
Growing season163 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 18 and returns around October 19.

From the NOAA station Hutchinson 1 N, MN — within 1 mile, elevation 1,096 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 55350

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 13 – Aug 27
GarlicPlant cloves · Sep 24 – Oct 29
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 8) 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 55350 came on Apr 11 — 6 days earlier than the 1991–2020 average (Apr 17).

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.

Trees 47

Shrubs 88

Wildflowers & perennials 190

Grasses 156

Vines 4

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 Hutchinson, MN.

Soil in Hutchinson, MN

The soil mapped at the center of ZIP 55350 is Reedslake — loam, moderately well drained.

TextureLoama good balance for most vegetables
pH6.6neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter3.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Reedslake-Le Sueur complex, 1 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 55350; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hutchinson, MN

Summer high83 °Faverage high, July
Winter low5 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights162nights a year at 32 °F or less
Growing degree days2,758base 50 °F — the season’s usable heat
Longest day15 h 36 mindaylight on June 21
Shortest day8 h 47 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation29.8 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 22 °F, low 5 °F 22°5° JanFebruary: average high 27 °F, low 9 °F 27°9° FebMarch: average high 40 °F, low 23 °F 40°23° MarApril: average high 56 °F, low 36 °F 56°36° AprMay: average high 69 °F, low 48 °F 69°48° MayJune: average high 79 °F, low 59 °F 79°59° JunJuly: average high 83 °F, low 63 °F 83°63° JulAugust: average high 81 °F, low 60 °F 81°60° AugSeptember: average high 74 °F, low 52 °F 74°52° SepOctober: average high 58 °F, low 38 °F 58°38° OctNovember: average high 41 °F, low 25 °F 41°25° NovDecember: average high 27 °F, low 12 °F 27°12° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.59 in precipitation 0.6 JanFebruary: 0.65 in precipitation 0.7 FebMarch: 1.33 in precipitation 1.3 MarApril: 2.16 in precipitation 2.2 AprMay: 3.96 in precipitation 4.0 MayJune: 4.51 in precipitation 4.5 JunJuly: 3.90 in precipitation 3.9 JulAugust: 4.78 in precipitation 4.8 AugSeptember: 3.02 in precipitation 3.0 SepOctober: 2.53 in precipitation 2.5 OctNovember: 1.46 in precipitation 1.5 NovDecember: 0.90 in precipitation 0.9 Dec

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

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

Minnesota planting zones →

Questions about 55350

What planting zone is ZIP code 55350?

ZIP code 55350 (Hutchinson, 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 Hutchinson, MN?

The median last spring frost (32 °F) near 55350 is April 28; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hutchinson 1 N station.

When is the first frost in Hutchinson, MN?

The median first fall frost near 55350 is October 8, giving a median frost-free growing season of 163 days.

When should I plant tomatoes in 55350?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 55350 get?

About 29.8 inches of precipitation a year (NOAA 1991–2020 normals, Hutchinson 1 N station).

How hot do summers get in Hutchinson, MN?

The average high peaks at 83 °F in July, with about 10 days a year at 90 °F or more.

What kind of soil does 55350 have?

The USDA soil survey maps Reedslake at the center of ZIP 55350: loam, moderately well drained, pH about 6.6 (neutral).

Did spring come early in Hutchinson, MN in 2026?

Spring leaf-out near 55350 came on Apr 11 in 2026, 6 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Hutchinson, MN?

Long-day onions: the longest day near 55350 is 15 h 36 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).