Planting zone for 53176 — Springfield, WI
ZIP code 53176 (Springfield, Walworth County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 25 and the first fall frost October 21.
Where ZIP 53176 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.
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 5b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Springfield, 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 Springfield, WI
A hard freeze (28 °F) usually ends around April 12 and returns around November 1.
From the NOAA station Lake Geneva Wwtp, WI — 3 miles away, elevation 846 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 53176
Counted from the median last spring frost (Apr 25) and first fall frost (Oct 21) 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 53176 came on Mar 30 — 12 days earlier than the 1991–2020 average (Apr 11).
Apr 112026
Mar 30
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 5b in Wisconsin
518 plants native to the lower 48 states, recorded in Wisconsin, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.
Trees 49
Shrubs 93
Wildflowers & perennials 197
Grasses 159
Vines 5
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 Springfield, WI.
Soil in Springfield, WI
The soil mapped at the center of ZIP 53176 is Elburn — silt loam, somewhat poorly drained.
Map unit: Elburn silt loam, gravelly substratum, 0 to 3 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 53176; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Springfield, WI
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lake Geneva Wwtp, WI (3 mi away); precipitation: Lake Geneva Wwtp, WI (3 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 5b.
Questions about 53176
What planting zone is ZIP code 53176?
ZIP code 53176 (Springfield, WI) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).
When is the last frost in Springfield, WI?
The median last spring frost (32 °F) near 53176 is April 25; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lake Geneva Wwtp station.
When is the first frost in Springfield, WI?
The median first fall frost near 53176 is October 21, giving a median frost-free growing season of 179 days.
When should I plant tomatoes in 53176?
Start tomato seeds indoors around Feb 28 – Mar 14 and set transplants outside around May 2 – May 16, one to three weeks after the median last frost.
How much rain and snow does 53176 get?
About 37 inches of precipitation a year and 40 inches of snowfall (NOAA 1991–2020 normals, Lake Geneva Wwtp station).
How hot do summers get in Springfield, WI?
The average high peaks at 86 °F in July, with about 21 days a year at 90 °F or more.
What kind of soil does 53176 have?
The USDA soil survey maps Elburn at the center of ZIP 53176: silt loam, somewhat poorly drained, pH about 6.7 (neutral).
Did spring come early in Springfield, WI in 2026?
Spring leaf-out near 53176 came on Mar 30 in 2026, 12 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Springfield, WI?
Long-day onions: the longest day near 53176 is 15 h 19 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).