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

Planting zone for Chippewa Falls, WI

Chippewa Falls, WI is in USDA zone 4b across its 2 ZIP codes. The median last spring frost is May 8 and the first fall frost October 4.

Chippewa Falls on the zone map

Outlined: its 1 ZIP code areas · 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
ZIP codes2
Last frostMay 8
First frostOct 4
Growing season149 days

4b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Chippewa Falls, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 8median — 50% chance of a later frost
Safe for tender plantsMay 21only 10% chance of frost after
First fall frostOctober 4median — 10% chance by Sep 20
Growing season149 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 27 and returns around October 15.

From the NOAA station Eau Claire Regional Airport, WI, elevation 886 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 Chippewa Falls

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 27 – Apr 10
SpinachSow outdoors · Mar 27 – Apr 17
Broccoli, cabbageStart indoors · Feb 27 – Mar 13
Broccoli, cabbageTransplant · Apr 17 – May 1
Onion setsPlant outdoors · Apr 10 – Apr 24
PotatoesPlant outdoors · Apr 17 – May 1
LettuceSow outdoors · Apr 10 – Apr 24
Carrots, beetsSow outdoors · Apr 17 – May 1
TomatoesStart indoors · Mar 13 – Mar 27
TomatoesTransplant · May 15 – May 29
Peppers, eggplantStart indoors · Feb 27 – Mar 13
Peppers, eggplantTransplant · May 22 – Jun 5
BeansSow outdoors · May 15 – May 29
Sweet cornSow outdoors · May 15 – May 29
Cucumbers, squashSow outdoors · May 15 – May 29
Fall lettuce, spinachSow outdoors · Aug 9 – Aug 23
GarlicPlant cloves · Sep 20 – Oct 25
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 8) and first fall frost (Oct 4) 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 54729 came on Apr 11 — 6 days earlier than the 1991–2020 average (Apr 17).

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 Chippewa Falls, WI.

Soil in Chippewa Falls, WI

The soil mapped at the center of ZIP 54729 is Chetek — sandy loam, somewhat excessively drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH6.5neutral; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter2%moderate
Hydrologic groupAwater soaks in fast
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Chetek sandy loam, 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 54729; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Chippewa Falls, WI

Summer high83 °Faverage high, July
Winter low6 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights163nights a year at 32 °F or less
Growing degree days2,513base 50 °F — the season’s usable heat
Longest day15 h 37 mindaylight on June 21
Shortest day8 h 46 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation34.7 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 23 °F, low 6 °F 23°6° JanFebruary: average high 28 °F, low 9 °F 28°9° FebMarch: average high 41 °F, low 21 °F 41°21° MarApril: average high 57 °F, low 33 °F 57°33° AprMay: average high 70 °F, low 45 °F 70°45° MayJune: average high 79 °F, low 56 °F 79°56° JunJuly: average high 83 °F, low 60 °F 83°60° JulAugust: average high 80 °F, low 58 °F 80°58° AugSeptember: average high 72 °F, low 49 °F 72°49° SepOctober: average high 58 °F, low 37 °F 58°37° OctNovember: average high 42 °F, low 25 °F 42°25° NovDecember: average high 29 °F, low 13 °F 29°13° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 1.12 in precipitation 1.1 JanFebruary: 1.15 in precipitation 1.1 FebMarch: 1.88 in precipitation 1.9 MarApril: 3.32 in precipitation 3.3 AprMay: 4.08 in precipitation 4.1 MayJune: 4.90 in precipitation 4.9 JunJuly: 4.07 in precipitation 4.1 JulAugust: 4.09 in precipitation 4.1 AugSeptember: 4.16 in precipitation 4.2 SepOctober: 2.72 in precipitation 2.7 OctNovember: 1.78 in precipitation 1.8 NovDecember: 1.46 in precipitation 1.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Eau Claire Regional Airport, WI (7 mi away); precipitation: Chippewa Falls, WI (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Chippewa Falls

Wisconsin planting zones →

Questions about Chippewa Falls

What planting zone is Chippewa Falls, WI?

Chippewa Falls, WI is in USDA hardiness zone 4b on the 2023 map (4b: −25 to −20 °F).

When is the last frost in Chippewa Falls, WI?

The median last spring frost is May 8 and the median first fall frost is October 4 (NOAA 1991–2020 normals, Eau Claire Regional Airport station).

When can I plant a garden in Chippewa Falls, WI?

Cool-season crops like peas and spinach go in around Mar 27 – Apr 17; tomatoes, peppers, beans and squash after about May 15, once frost risk has passed.

What kind of onions grow in Chippewa Falls, WI?

Long-day onions: the longest day is 15 h 37 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Chippewa Falls, WI get?

About 34.7 inches of precipitation a year (NOAA 1991–2020 normals).