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

Planting zone for 54430 — Elton, WI

ZIP code 54430 (Elton, Langlade County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 14 and the first fall frost September 30.

Where ZIP 54430 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 14
First frostSep 30
2012 zone4a

Was 4a on the 2012 map — half a zone warmer now. 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 Elton, 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 Elton, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 14median — 50% chance of a later frost
Safe for tender plantsMay 28only 10% chance of frost after
First fall frostSeptember 30median — 10% chance by Sep 14
Growing season139 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 11.

From the NOAA station Antigo, WI — 11 miles away, elevation 1,519 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 54430

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 2 – Apr 16
SpinachSow outdoors · Apr 2 – Apr 23
Broccoli, cabbageStart indoors · Mar 5 – Mar 19
Broccoli, cabbageTransplant · Apr 23 – May 7
Onion setsPlant outdoors · Apr 16 – Apr 30
PotatoesPlant outdoors · Apr 23 – May 7
LettuceSow outdoors · Apr 16 – Apr 30
Carrots, beetsSow outdoors · Apr 23 – May 7
TomatoesStart indoors · Mar 19 – Apr 2
TomatoesTransplant · May 21 – Jun 4
Peppers, eggplantStart indoors · Mar 5 – Mar 19
Peppers, eggplantTransplant · May 28 – Jun 11
BeansSow outdoors · May 21 – Jun 4
Sweet cornSow outdoors · May 21 – Jun 4
Cucumbers, squashSow outdoors · May 21 – Jun 4
Fall lettuce, spinachSow outdoors · Aug 5 – Aug 19
GarlicPlant cloves · Sep 16 – Oct 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 14) and first fall frost (Sep 30) 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 54430 came on Apr 17 — 5 days earlier than the 1991–2020 average (Apr 22).

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 Wisconsin

486 plants native to the lower 48 states, recorded in Wisconsin, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 48

Shrubs 89

Wildflowers & perennials 178

Grasses 152

Vines 4

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 Elton, WI.

Soil in Elton, WI

The soil mapped at the center of ZIP 54430 is Minocqua — muck, poorly drained.

TextureMucktop layer
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter70%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Minocqua, Cable, and Sherry mucks.

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 54430; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Elton, WI

Summer high78 °Faverage high, July
Winter low4 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights180nights a year at 32 °F or less
Growing degree days1,930base 50 °F — the season’s usable heat
Longest day15 h 38 mindaylight on June 21
Shortest day8 h 45 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation33.8 inper year, rain and melted snow
Snowfall55 inper year; 105 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 21 °F, low 4 °F 21°4° JanFebruary: average high 25 °F, low 5 °F 25°5° FebMarch: average high 37 °F, low 17 °F 37°17° MarApril: average high 51 °F, low 31 °F 51°31° AprMay: average high 64 °F, low 43 °F 64°43° MayJune: average high 74 °F, low 53 °F 74°53° JunJuly: average high 78 °F, low 57 °F 78°57° JulAugust: average high 76 °F, low 55 °F 76°55° AugSeptember: average high 68 °F, low 48 °F 68°48° SepOctober: average high 54 °F, low 36 °F 54°36° OctNovember: average high 39 °F, low 24 °F 39°24° NovDecember: average high 26 °F, low 11 °F 26°11° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 1.33 in precipitation, 11.3 in snowfall 1.3❄11 JanFebruary: 1.21 in precipitation, 12.1 in snowfall 1.2❄12 FebMarch: 1.90 in precipitation, 8.5 in snowfall 1.9❄9 MarApril: 2.99 in precipitation, 6.5 in snowfall 3.0❄7 AprMay: 3.67 in precipitation, 0.4 in snowfall 3.7 MayJune: 4.48 in precipitation 4.5 JunJuly: 3.57 in precipitation 3.6 JulAugust: 3.67 in precipitation 3.7 AugSeptember: 3.53 in precipitation 3.5 SepOctober: 3.41 in precipitation, 0.6 in snowfall 3.4❄1 OctNovember: 2.15 in precipitation, 4.4 in snowfall 2.1❄4 NovDecember: 1.87 in precipitation, 11.6 in snowfall 1.9❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Antigo, WI (11 mi away); precipitation: White Lake 1 Se, WI (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

Wisconsin planting zones →

Questions about 54430

What planting zone is ZIP code 54430?

ZIP code 54430 (Elton, 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 Elton, WI?

The median last spring frost (32 °F) near 54430 is May 14; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Antigo station.

When is the first frost in Elton, WI?

The median first fall frost near 54430 is September 30, giving a median frost-free growing season of 139 days.

When should I plant tomatoes in 54430?

Start tomato seeds indoors around Mar 19 – Apr 2 and set transplants outside around May 21 – Jun 4, one to three weeks after the median last frost.

How much rain and snow does 54430 get?

About 33.8 inches of precipitation a year and 55 inches of snowfall (NOAA 1991–2020 normals, White Lake 1 Se station).

How hot do summers get in Elton, WI?

The average high peaks at 78 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 54430 have?

The USDA soil survey maps Minocqua at the center of ZIP 54430: muck, poorly drained, pH about 6.2 (slightly acidic).

Did spring come early in Elton, WI in 2026?

Spring leaf-out near 54430 came on Apr 17 in 2026, 5 days earlier than the 1991–2020 average (Apr 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Elton, WI?

Long-day onions: the longest day near 54430 is 15 h 38 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 54430 change?

Yes. The 2012 USDA map put 54430 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.