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

Planting zone for 54601 — La Crosse, WI

ZIP code 54601 (La Crosse, La Crosse County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is April 27 and the first fall frost October 13.

Where ZIP 54601 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.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostApr 27
First frostOct 13
2012 zone4b

Was 4b 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 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for La Crosse, 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 La Crosse, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 27median — 50% chance of a later frost
Safe for tender plantsMay 12only 10% chance of frost after
First fall frostOctober 13median — 10% chance by Sep 28
Growing season167 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 16 and returns around October 25.

From the NOAA station La Crosse WFO, WI — 2 miles away, elevation 1,306 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 54601

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 16 – Mar 30
SpinachSow outdoors · Mar 16 – Apr 6
Broccoli, cabbageStart indoors · Feb 16 – Mar 2
Broccoli, cabbageTransplant · Apr 6 – Apr 20
Onion setsPlant outdoors · Mar 30 – Apr 13
PotatoesPlant outdoors · Apr 6 – Apr 20
LettuceSow outdoors · Mar 30 – Apr 13
Carrots, beetsSow outdoors · Apr 6 – Apr 20
TomatoesStart indoors · Mar 2 – Mar 16
TomatoesTransplant · May 4 – May 18
Peppers, eggplantStart indoors · Feb 16 – Mar 2
Peppers, eggplantTransplant · May 11 – May 25
BeansSow outdoors · May 4 – May 18
Sweet cornSow outdoors · May 4 – May 18
Cucumbers, squashSow outdoors · May 4 – May 18
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 27) 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 54601 came on Mar 28 — 17 days earlier than the 1991–2020 average (Apr 14).

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 5a in Wisconsin

510 plants native to the lower 48 states, recorded in Wisconsin, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 48

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 191

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 158

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 La Crosse, WI.

Soil in La Crosse, WI

The soil mapped at the center of ZIP 54601 is Churchtown — 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 matter1.5%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Churchtown silt loam, 20 to 30 percent slopes, moderately eroded.

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 54601; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in La Crosse, WI

Summer high80 °Faverage high, July
Winter low8 °Faverage low, January
Hot days3days a year at 90 °F or more
Freezing nights148nights a year at 32 °F or less
Growing degree days2,561base 50 °F — the season’s usable heat
Longest day15 h 28 mindaylight on June 21
Shortest day8 h 54 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
Snowfall54 inper year; 88 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 24 °F, low 8 °F 24°8° JanFebruary: average high 29 °F, low 13 °F 29°13° FebMarch: average high 41 °F, low 24 °F 41°24° MarApril: average high 55 °F, low 36 °F 55°36° AprMay: average high 67 °F, low 48 °F 67°48° MayJune: average high 76 °F, low 58 °F 76°58° JunJuly: average high 80 °F, low 62 °F 80°62° 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 42 °F, low 28 °F 42°28° NovDecember: average high 29 °F, low 15 °F 29°15° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 1.12 in precipitation, 10.5 in snowfall 1.1❄11 JanFebruary: 1.13 in precipitation, 12.4 in snowfall 1.1❄12 FebMarch: 1.93 in precipitation, 8.3 in snowfall 1.9❄8 MarApril: 4.02 in precipitation, 4.5 in snowfall 4.0❄5 AprMay: 4.91 in precipitation 4.9 MayJune: 5.29 in precipitation 5.3 JunJuly: 4.26 in precipitation 4.3 JulAugust: 4.47 in precipitation 4.5 AugSeptember: 4.00 in precipitation 4.0 SepOctober: 2.91 in precipitation, 0.5 in snowfall 2.9❄1 OctNovember: 1.94 in precipitation, 3.5 in snowfall 1.9❄4 NovDecember: 1.49 in precipitation, 14.5 in snowfall 1.5❄15 Dec

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

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5a.

546035a
La Crosse, WI · 7 mi
546025a
La Crosse, WI · 7 mi
546235a
Coon Valley, WI · 8 mi
546695a
West Salem, WI · 8 mi
546505a
Onalaska, WI · 8 mi
546585a
Stoddard, WI · 9 mi
546535a
Rockland, WI · 11 mi
559475a
La Crescent, MN · 11 mi

All 3 ZIP codes in La Crosse → · Wisconsin planting zones →

Questions about 54601

What planting zone is ZIP code 54601?

ZIP code 54601 (La Crosse, WI) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in La Crosse, WI?

The median last spring frost (32 °F) near 54601 is April 27; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, La Crosse WFO station.

When is the first frost in La Crosse, WI?

The median first fall frost near 54601 is October 13, giving a median frost-free growing season of 167 days.

When should I plant tomatoes in 54601?

Start tomato seeds indoors around Mar 2 – Mar 16 and set transplants outside around May 4 – May 18, one to three weeks after the median last frost.

How much rain and snow does 54601 get?

About 37.5 inches of precipitation a year and 54 inches of snowfall (NOAA 1991–2020 normals, La Crosse WFO station).

How hot do summers get in La Crosse, WI?

The average high peaks at 80 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 54601 have?

The USDA soil survey maps Churchtown at the center of ZIP 54601: silt loam, well drained, pH about 6.2 (slightly acidic).

Did spring come early in La Crosse, WI in 2026?

Spring leaf-out near 54601 came on Mar 28 in 2026, 17 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in La Crosse, WI?

Long-day onions: the longest day near 54601 is 15 h 28 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 54601 change?

Yes. The 2012 USDA map put 54601 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.