Planting zone for 54404 — Marshfield, WI
ZIP code 54404 (Marshfield, Wood 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 5.
Where ZIP 54404 is
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.
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 4b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Marshfield, 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 Marshfield, WI
A hard freeze (28 °F) usually ends around April 23 and returns around October 16.
From the NOAA station Marshfield Municipal Airport, WI — 2 miles away, elevation 1,257 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 54404
Counted from the median last spring frost (May 5) and first fall frost (Oct 5) 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 54404 came on Apr 15 — 4 days earlier than the 1991–2020 average (Apr 19).
Apr 192026
Apr 15
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 Marshfield, WI.
Soil in Marshfield, WI
The soil mapped at the center of ZIP 54404 is Loyal — silt loam, moderately well drained.
Map unit: Loyal silt loam, 1 to 6 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 54404; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Marshfield, WI
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Marshfield Municipal Airport, WI (2 mi away); precipitation: Marshfield Municipal Airport, WI (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 4b.
All 2 ZIP codes in Marshfield → · Wisconsin planting zones →
Questions about 54404
What planting zone is ZIP code 54404?
ZIP code 54404 (Marshfield, 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 Marshfield, WI?
The median last spring frost (32 °F) near 54404 is May 5; after May 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Marshfield Municipal Airport station.
When is the first frost in Marshfield, WI?
The median first fall frost near 54404 is October 5, giving a median frost-free growing season of 152 days.
When should I plant tomatoes in 54404?
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 54404 get?
About 24.9 inches of precipitation a year (NOAA 1991–2020 normals, Marshfield Municipal Airport station).
How hot do summers get in Marshfield, WI?
The average high peaks at 80 °F in July, with about 4 days a year at 90 °F or more.
What kind of soil does 54404 have?
The USDA soil survey maps Loyal at the center of ZIP 54404: silt loam, moderately well drained, pH about 5.9 (moderately acidic).
Did spring come early in Marshfield, WI in 2026?
Spring leaf-out near 54404 came on Apr 15 in 2026, 4 days earlier than the 1991–2020 average (Apr 19), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Marshfield, WI?
Long-day onions: the longest day near 54404 is 15 h 34 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).