Planting zone for 54757 — New Auburn, WI
ZIP code 54757 (New Auburn, Chippewa County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 5 and the first fall frost October 3.
Where ZIP 54757 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 ServiceLoading the forecast for New Auburn, 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 New Auburn, WI
A hard freeze (28 °F) usually ends around April 26 and returns around October 15.
From the NOAA station Bloomer, WI — 11 miles away, elevation 991 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 54757
Counted from the median last spring frost (May 5) and first fall frost (Oct 3) 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 54757 came on Apr 11 — 8 days earlier than the 1991–2020 average (Apr 19).
Apr 192026
Apr 11
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 New Auburn, WI.
Soil in New Auburn, WI
The soil mapped at the center of ZIP 54757 is Greenwood — peat, very poorly drained.
Map unit: Greenwood peat, 0 to 1 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 54757; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in New Auburn, WI
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bloomer, WI (11 mi away); precipitation: Bloomer, WI (11 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 54757
What planting zone is ZIP code 54757?
ZIP code 54757 (New Auburn, 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 New Auburn, WI?
The median last spring frost (32 °F) near 54757 is May 5; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bloomer station.
When is the first frost in New Auburn, WI?
The median first fall frost near 54757 is October 3, giving a median frost-free growing season of 151 days.
When should I plant tomatoes in 54757?
Start tomato seeds indoors around Mar 10 – Mar 24 and set transplants outside around May 12 – May 26, one to three weeks after the median last frost.
How much rain and snow does 54757 get?
About 31.9 inches of precipitation a year and 42 inches of snowfall (NOAA 1991–2020 normals, Bloomer station).
How hot do summers get in New Auburn, WI?
The average high peaks at 81 °F in July, with about 8 days a year at 90 °F or more.
What kind of soil does 54757 have?
The USDA soil survey maps Greenwood at the center of ZIP 54757: peat, very poorly drained.
Did spring come early in New Auburn, WI in 2026?
Spring leaf-out near 54757 came on Apr 11 in 2026, 8 days earlier than the 1991–2020 average (Apr 19), according to the USA National Phenology Network Spring Index.
What kind of onions grow in New Auburn, WI?
Long-day onions: the longest day near 54757 is 15 h 39 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 54757 change?
Yes. The 2012 USDA map put 54757 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.