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

Planting zone for 53001 — Adell, WI

ZIP code 53001 (Adell, Sheboygan County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 3 and the first fall frost October 16.

Where ZIP 53001 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 frostMay 3
First frostOct 16
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 Adell, 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 Adell, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 3median — 50% chance of a later frost
Safe for tender plantsMay 18only 10% chance of frost after
First fall frostOctober 16median — 10% chance by Oct 2
Growing season165 daysfrost-free, median

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

From the NOAA station Hingham Wwtp, WI — 7 miles away, elevation 764 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 53001

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 22 – Apr 5
SpinachSow outdoors · Mar 22 – Apr 12
Broccoli, cabbageStart indoors · Feb 22 – Mar 8
Broccoli, cabbageTransplant · Apr 12 – Apr 26
Onion setsPlant outdoors · Apr 5 – Apr 19
PotatoesPlant outdoors · Apr 12 – Apr 26
LettuceSow outdoors · Apr 5 – Apr 19
Carrots, beetsSow outdoors · Apr 12 – Apr 26
TomatoesStart indoors · Mar 8 – Mar 22
TomatoesTransplant · May 10 – May 24
Peppers, eggplantStart indoors · Feb 22 – Mar 8
Peppers, eggplantTransplant · May 17 – May 31
BeansSow outdoors · May 10 – May 24
Sweet cornSow outdoors · May 10 – May 24
Cucumbers, squashSow outdoors · May 10 – May 24
Fall lettuce, spinachSow outdoors · Aug 21 – Sep 4
GarlicPlant cloves · Oct 2 – Nov 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 16) 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 53001 came on Apr 10 — 6 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 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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 93

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 197

alkali buttercup1 ft · blooms late spring · low 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 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 159

American 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 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 5

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 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °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 Adell, WI.

Soil in Adell, WI

The soil mapped at the center of ZIP 53001 is Lamartine — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH6.7neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter5%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Lamartine silt loam, 0 to 3 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 53001; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Adell, WI

Summer high80 °Faverage high, July
Winter low12 °Faverage low, January
Hot days6days a year at 90 °F or more
Freezing nights148nights a year at 32 °F or less
Growing degree days2,387base 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)
Precipitation33.9 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 27 °F, low 12 °F 27°12° JanFebruary: average high 30 °F, low 14 °F 30°14° FebMarch: average high 41 °F, low 24 °F 41°24° MarApril: average high 53 °F, low 34 °F 53°34° AprMay: average high 66 °F, low 45 °F 66°45° MayJune: average high 75 °F, low 55 °F 75°55° JunJuly: average high 80 °F, low 61 °F 80°61° JulAugust: average high 78 °F, low 60 °F 78°60° AugSeptember: average high 71 °F, low 52 °F 71°52° SepOctober: average high 58 °F, low 40 °F 58°40° OctNovember: average high 44 °F, low 29 °F 44°29° NovDecember: average high 33 °F, low 19 °F 33°19° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 1.46 in precipitation 1.5 JanFebruary: 1.43 in precipitation 1.4 FebMarch: 2.06 in precipitation 2.1 MarApril: 3.76 in precipitation 3.8 AprMay: 3.79 in precipitation 3.8 MayJune: 4.25 in precipitation 4.3 JunJuly: 3.79 in precipitation 3.8 JulAugust: 3.53 in precipitation 3.5 AugSeptember: 3.09 in precipitation 3.1 SepOctober: 2.91 in precipitation 2.9 OctNovember: 2.03 in precipitation 2.0 NovDecember: 1.77 in precipitation 1.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hingham Wwtp, WI (7 mi away); precipitation: Random Lake 0.5 Sse, WI (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

530115b
Cascade, WI · 4 mi
530755b
Random Lake, WI · 4 mi
530935b
Waldo, WI · 7 mi
530315b
Hingham, WI · 7 mi
530215b
Fredonia, WI · 8 mi
530405b
Kewaskum, WI · 9 mi
530735b
Plymouth, WI · 10 mi
530135b
Cedar Grove, WI · 11 mi

Wisconsin planting zones →

Questions about 53001

What planting zone is ZIP code 53001?

ZIP code 53001 (Adell, 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 Adell, WI?

The median last spring frost (32 °F) near 53001 is May 3; after May 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hingham Wwtp station.

When is the first frost in Adell, WI?

The median first fall frost near 53001 is October 16, giving a median frost-free growing season of 165 days.

When should I plant tomatoes in 53001?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 53001 get?

About 33.9 inches of precipitation a year (NOAA 1991–2020 normals, Random Lake 0.5 Sse station).

How hot do summers get in Adell, WI?

The average high peaks at 80 °F in July, with about 6 days a year at 90 °F or more.

What kind of soil does 53001 have?

The USDA soil survey maps Lamartine at the center of ZIP 53001: silt loam, somewhat poorly drained, pH about 6.7 (neutral).

Did spring come early in Adell, WI in 2026?

Spring leaf-out near 53001 came on Apr 10 in 2026, 6 days earlier than the 1991–2020 average (Apr 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Adell, WI?

Long-day onions: the longest day near 53001 is 15 h 26 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).