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

Planting zone for 55922 — Canton, MN

ZIP code 55922 (Canton, Fillmore County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 10 and the first fall frost September 28.

Where ZIP 55922 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 10
First frostSep 28
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 Canton, 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 Canton, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 10median — 50% chance of a later frost
Safe for tender plantsMay 23only 10% chance of frost after
First fall frostSeptember 28median — 10% chance by Sep 14
Growing season140 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 6.

From the NOAA station Mabel, MN — 7 miles away, elevation 1,112 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 55922

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 29 – Apr 12
SpinachSow outdoors · Mar 29 – Apr 19
Broccoli, cabbageStart indoors · Mar 1 – Mar 15
Broccoli, cabbageTransplant · Apr 19 – May 3
Onion setsPlant outdoors · Apr 12 – Apr 26
PotatoesPlant outdoors · Apr 19 – May 3
LettuceSow outdoors · Apr 12 – Apr 26
Carrots, beetsSow outdoors · Apr 19 – May 3
TomatoesStart indoors · Mar 15 – Mar 29
TomatoesTransplant · May 17 – May 31
Peppers, eggplantStart indoors · Mar 1 – Mar 15
Peppers, eggplantTransplant · May 24 – Jun 7
BeansSow outdoors · May 17 – May 31
Sweet cornSow outdoors · May 17 – May 31
Cucumbers, squashSow outdoors · May 17 – May 31
Fall lettuce, spinachSow outdoors · Aug 3 – Aug 17
GarlicPlant cloves · Sep 14 – Oct 19
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 10) and first fall frost (Sep 28) 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 55922 came on Mar 30 — 17 days earlier than the 1991–2020 average (Apr 16).

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

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 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °Fbalsam fir60 ft · blooms mid summer · low shade tolerance · to −43 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °F

Shrubs 88

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny 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 hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 190

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °F

Grasses 156

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °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 °F

Vines 4

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °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 Canton, MN.

Soil in Canton, MN

The soil mapped at the center of ZIP 55922 is Fayette — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Fayette silt loam, 6 to 12 percent slopes, moderately eroded.

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 55922; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Canton, MN

Summer high80 °Faverage high, July
Winter low4 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights176nights a year at 32 °F or less
Growing degree days2,193base 50 °F — the season’s usable heat
Longest day15 h 26 mindaylight on June 21
Shortest day8 h 56 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.7 inper year, rain and melted snow
Snowfall47 inper year; 94 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 24 °F, low 4 °F 24°4° JanFebruary: average high 28 °F, low 7 °F 28°7° FebMarch: average high 40 °F, low 20 °F 40°20° MarApril: average high 55 °F, low 32 °F 55°32° AprMay: average high 67 °F, low 44 °F 67°44° MayJune: average high 76 °F, low 55 °F 76°55° JunJuly: average high 80 °F, low 58 °F 80°58° JulAugust: average high 78 °F, low 55 °F 78°55° AugSeptember: average high 72 °F, low 47 °F 72°47° SepOctober: average high 58 °F, low 35 °F 58°35° OctNovember: average high 43 °F, low 23 °F 43°23° NovDecember: average high 30 °F, low 12 °F 30°12° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 0.95 in precipitation, 11.4 in snowfall 0.9❄11 JanFebruary: 1.05 in precipitation, 10.1 in snowfall 1.1❄10 FebMarch: 1.86 in precipitation, 8.4 in snowfall 1.9❄8 MarApril: 3.80 in precipitation, 2.3 in snowfall 3.8❄2 AprMay: 4.52 in precipitation, 0.3 in snowfall 4.5 MayJune: 6.22 in precipitation 6.2 JunJuly: 4.30 in precipitation 4.3 JulAugust: 4.38 in precipitation 4.4 AugSeptember: 3.57 in precipitation 3.6 SepOctober: 2.87 in precipitation, 0.4 in snowfall 2.9 OctNovember: 1.89 in precipitation, 2.6 in snowfall 1.9❄3 NovDecember: 1.31 in precipitation, 11.1 in snowfall 1.3❄11 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mabel, MN (7 mi away); precipitation: Harmony, MN (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

559544b
Mabel, MN · 6 mi
559394b
Harmony, MN · 9 mi
559494b
Lanesboro, MN · 10 mi
521495a
Highlandville, IA · 12 mi
559654b
Preston, MN · 12 mi
559745a
Spring Grove, MN · 12 mi
559624b
Peterson, MN · 14 mi
521015a
Decorah, IA · 15 mi

Minnesota planting zones →

Questions about 55922

What planting zone is ZIP code 55922?

ZIP code 55922 (Canton, 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 Canton, MN?

The median last spring frost (32 °F) near 55922 is May 10; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mabel station.

When is the first frost in Canton, MN?

The median first fall frost near 55922 is September 28, giving a median frost-free growing season of 140 days.

When should I plant tomatoes in 55922?

Start tomato seeds indoors around Mar 15 – Mar 29 and set transplants outside around May 17 – May 31, one to three weeks after the median last frost.

How much rain and snow does 55922 get?

About 36.7 inches of precipitation a year and 47 inches of snowfall (NOAA 1991–2020 normals, Harmony station).

How hot do summers get in Canton, MN?

The average high peaks at 80 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 55922 have?

The USDA soil survey maps Fayette at the center of ZIP 55922: silt loam, well drained, pH about 6.2 (slightly acidic).

Did spring come early in Canton, MN in 2026?

Spring leaf-out near 55922 came on Mar 30 in 2026, 17 days earlier than the 1991–2020 average (Apr 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Canton, MN?

Long-day onions: the longest day near 55922 is 15 h 26 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).