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

Planting zone for 53157 — Pell Lake, WI

ZIP code 53157 (Pell Lake, Walworth County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 30 and the first fall frost October 13.

Where ZIP 53157 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostApr 30
First frostOct 13
2012 zone5b

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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pell Lake, 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 Pell Lake, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 16only 10% chance of frost after
First fall frostOctober 13median — 10% chance by Sep 28
Growing season164 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 19 and returns around October 25.

From the NOAA station Pell Lake, WI — 2 miles away, elevation 840 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 53157

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
Fall lettuce, spinachSow outdoors · Aug 18 – Sep 1
GarlicPlant cloves · Sep 29 – Nov 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 13) 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 53157 came on Mar 30 — 12 days earlier than the 1991–2020 average (Apr 11).

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 5b in Wisconsin

518 plants native to the lower 48 states, recorded in Wisconsin, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 49

Shrubs 93

Wildflowers & perennials 197

Grasses 159

Vines 5

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 Pell Lake, WI.

Soil in Pell Lake, WI

The soil mapped at the center of ZIP 53157 is St. Charles — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.7neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: St. Charles silt loam, gravelly subtratum, 0 to 2 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 53157; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pell Lake, WI

Summer high82 °Faverage high, July
Winter low13 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights149nights a year at 32 °F or less
Growing degree days2,533base 50 °F — the season’s usable heat
Longest day15 h 18 mindaylight on June 21
Shortest day9 h 03 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.5 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 29 °F, low 13 °F 29°13° JanFebruary: average high 33 °F, low 14 °F 33°14° FebMarch: average high 44 °F, low 25 °F 44°25° MarApril: average high 57 °F, low 35 °F 57°35° AprMay: average high 69 °F, low 46 °F 69°46° MayJune: average high 78 °F, low 56 °F 78°56° JunJuly: average high 82 °F, low 59 °F 82°59° JulAugust: average high 80 °F, low 57 °F 80°57° AugSeptember: average high 73 °F, low 50 °F 73°50° SepOctober: average high 61 °F, low 39 °F 61°39° OctNovember: average high 46 °F, low 29 °F 46°29° NovDecember: average high 35 °F, low 20 °F 35°20° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 1.71 in precipitation 1.7 JanFebruary: 1.50 in precipitation 1.5 FebMarch: 2.20 in precipitation 2.2 MarApril: 3.36 in precipitation 3.4 AprMay: 4.28 in precipitation 4.3 MayJune: 4.73 in precipitation 4.7 JunJuly: 4.39 in precipitation 4.4 JulAugust: 3.88 in precipitation 3.9 AugSeptember: 3.64 in precipitation 3.6 SepOctober: 2.89 in precipitation 2.9 OctNovember: 2.33 in precipitation 2.3 NovDecember: 1.64 in precipitation 1.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pell Lake, WI (2 mi away); precipitation: Pell Lake, WI (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

Wisconsin planting zones →

Questions about 53157

What planting zone is ZIP code 53157?

ZIP code 53157 (Pell Lake, WI) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Pell Lake, WI?

The median last spring frost (32 °F) near 53157 is April 30; after May 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pell Lake station.

When is the first frost in Pell Lake, WI?

The median first fall frost near 53157 is October 13, giving a median frost-free growing season of 164 days.

When should I plant tomatoes in 53157?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 53157 get?

About 36.5 inches of precipitation a year (NOAA 1991–2020 normals, Pell Lake station).

How hot do summers get in Pell Lake, WI?

The average high peaks at 82 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 53157 have?

The USDA soil survey maps St. Charles at the center of ZIP 53157: silt loam, well drained, pH about 6.7 (neutral).

Did spring come early in Pell Lake, WI in 2026?

Spring leaf-out near 53157 came on Mar 30 in 2026, 12 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pell Lake, WI?

Long-day onions: the longest day near 53157 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).