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

Planting zone for 53109 — Camp Lake, WI

ZIP code 53109 (Camp Lake, Kenosha 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 15.

Where ZIP 53109 is

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 15

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 Camp 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 Camp 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 15median — 10% chance by Sep 30

Growing season167 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 19 and returns around October 26.

From the NOAA station Paddock Lake, WI — 4 miles away, elevation 774 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 53109

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 20 – Sep 3

GarlicPlant cloves · Oct 1 – Nov 5

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 15) 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 53109 came on Mar 30 — 12 days earlier than the 1991–2020 average (Apr 11).

average
Apr 112026
Mar 30

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.

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 Camp Lake, WI.

Soil in Camp Lake, WI

The soil mapped at the center of ZIP 53109 is Houghton — muck, very poorly drained.

TextureMucktop layer

DrainageVery poorly drainedconsider raised beds

Organic matter45%high

Hydrologic groupA/Ddrains fast once dried out; wet otherwise

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Houghton muck, 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 53109; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Camp Lake, WI

Summer high83 °Faverage high, July

Winter low13 °Faverage low, January

Hot days11days a year at 90 °F or more

Freezing nights146nights a year at 32 °F or less

Growing degree days2,634base 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)

Precipitation37.5 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: Paddock Lake, WI (4 mi away); precipitation: Paddock Lake, WI (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

531705b

Silver Lake, WI · 1 mi

Benet Lake, WI · 4 mi

531015b

Bassett, WI · 4 mi

531815b

Twin Lakes, WI · 5 mi

531525b

New Munster, WI · 5 mi

Wisconsin planting zones →

Questions about 53109

What planting zone is ZIP code 53109?

ZIP code 53109 (Camp 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 Camp Lake, WI?

The median last spring frost (32 °F) near 53109 is April 30; after May 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Paddock Lake station.

When is the first frost in Camp Lake, WI?

The median first fall frost near 53109 is October 15, giving a median frost-free growing season of 167 days.

When should I plant tomatoes in 53109?

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 53109 get?

About 37.5 inches of precipitation a year (NOAA 1991–2020 normals, Paddock Lake station).

How hot do summers get in Camp Lake, WI?

The average high peaks at 83 °F in July, with about 11 days a year at 90 °F or more.

What kind of soil does 53109 have?

The USDA soil survey maps Houghton at the center of ZIP 53109: muck, very poorly drained.

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

Spring leaf-out near 53109 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 Camp Lake, WI?

Long-day onions: the longest day near 53109 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).