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

Planting zone for 54759 — Pepin, WI

ZIP code 54759 (Pepin, Pepin County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 1 and the first fall frost October 10.

Where ZIP 54759 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 1

First frostOct 10

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 Pepin, WI…

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 Pepin, WI

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 1median — 50% chance of a later frost

Safe for tender plantsMay 15only 10% chance of frost after

First fall frostOctober 10median — 10% chance by Sep 26

Growing season162 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 20 and returns around October 22.

From the NOAA station Durand, WI — 11 miles away, elevation 705 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 54759

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 20 – Apr 3

SpinachSow outdoors · Mar 20 – Apr 10

Broccoli, cabbageStart indoors · Feb 20 – Mar 6

Broccoli, cabbageTransplant · Apr 10 – Apr 24

Onion setsPlant outdoors · Apr 3 – Apr 17

PotatoesPlant outdoors · Apr 10 – Apr 24

LettuceSow outdoors · Apr 3 – Apr 17

Carrots, beetsSow outdoors · Apr 10 – Apr 24

TomatoesStart indoors · Mar 6 – Mar 20

TomatoesTransplant · May 8 – May 22

Peppers, eggplantStart indoors · Feb 20 – Mar 6

Peppers, eggplantTransplant · May 15 – May 29

BeansSow outdoors · May 8 – May 22

Sweet cornSow outdoors · May 8 – May 22

Cucumbers, squashSow outdoors · May 8 – May 22

Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29

GarlicPlant cloves · Sep 26 – Oct 31

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 1) and first fall frost (Oct 10) 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 54759 came on Apr 5 — 12 days earlier than the 1991–2020 average (Apr 17).

average
Apr 172026
Apr 5

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).

Soil in Pepin, WI

The soil mapped at the center of ZIP 54759 is Seaton — 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 groupBwater soaks in moderately

Farmland classprime farmlandUSDA classification

Map unit: Seaton silt loam, driftless ridge, 2 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 54759; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pepin, WI

Summer high82 °Faverage high, July

Winter low5 °Faverage low, January

Hot days8days a year at 90 °F or more

Freezing nights159nights a year at 32 °F or less

Growing degree days2,590base 50 °F — the season’s usable heat

Longest day15 h 33 mindaylight on June 21

Shortest day8 h 49 mindaylight on December 21

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

Precipitation34.2 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: Durand, WI (11 mi away); precipitation: Stockholm 3.0 Ne, WI (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

547694b

Stockholm, WI · 5 mi

559684b

Reads Landing, MN · 7 mi

Frontenac, MN · 11 mi

547504b

Maiden Rock, WI · 12 mi

Wisconsin planting zones →

Questions about 54759

What planting zone is ZIP code 54759?

ZIP code 54759 (Pepin, WI) 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 Pepin, WI?

The median last spring frost (32 °F) near 54759 is May 1; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Durand station.

When is the first frost in Pepin, WI?

The median first fall frost near 54759 is October 10, giving a median frost-free growing season of 162 days.

When should I plant tomatoes in 54759?

Start tomato seeds indoors around Mar 6 – Mar 20 and set transplants outside around May 8 – May 22, one to three weeks after the median last frost.

How much rain and snow does 54759 get?

About 34.2 inches of precipitation a year (NOAA 1991–2020 normals, Stockholm 3.0 Ne station).

How hot do summers get in Pepin, WI?

The average high peaks at 82 °F in July, with about 8 days a year at 90 °F or more.

What kind of soil does 54759 have?

The USDA soil survey maps Seaton at the center of ZIP 54759: silt loam, well drained, pH about 6.2 (slightly acidic).

Did spring come early in Pepin, WI in 2026?

Spring leaf-out near 54759 came on Apr 5 in 2026, 12 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pepin, WI?

Long-day onions: the longest day near 54759 is 15 h 33 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).