Planting zone for 53085 — Sheboygan Falls, WI
ZIP code 53085 (Sheboygan Falls, Sheboygan County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 5 and the first fall frost October 8.
Where ZIP 53085 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 Sheboygan Falls, 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 Sheboygan Falls, WI
A hard freeze (28 °F) usually ends around April 23 and returns around October 21.
From the NOAA station Sheboygan Co. Mem Airport, WI — 2 miles away, elevation 745 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 53085
Counted from the median last spring frost (May 5) and first fall frost (Oct 8) 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 53085 came on Apr 11 — 6 days earlier than the 1991–2020 average (Apr 17).
Apr 172026
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 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 Sheboygan Falls, WI.
Soil in Sheboygan Falls, WI
The soil mapped at the center of ZIP 53085 is Kewaunee — silt loam, well drained.
Map unit: Kewaunee silt loam, 2 to 6 percent slopes, 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 53085; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Sheboygan Falls, WI
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sheboygan Co. Mem Airport, WI (2 mi away); precipitation: Sheboygan Co. Mem Airport, WI (2 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 53085
What planting zone is ZIP code 53085?
ZIP code 53085 (Sheboygan Falls, 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 Sheboygan Falls, WI?
The median last spring frost (32 °F) near 53085 is May 5; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sheboygan Co. Mem Airport station.
When is the first frost in Sheboygan Falls, WI?
The median first fall frost near 53085 is October 8, giving a median frost-free growing season of 154 days.
When should I plant tomatoes in 53085?
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 53085 get?
About 29.4 inches of precipitation a year (NOAA 1991–2020 normals, Sheboygan Co. Mem Airport station).
How hot do summers get in Sheboygan Falls, WI?
The average high peaks at 80 °F in July, with about 6 days a year at 90 °F or more.
What kind of soil does 53085 have?
The USDA soil survey maps Kewaunee at the center of ZIP 53085: silt loam, well drained, pH about 6.5 (neutral).
Did spring come early in Sheboygan Falls, WI in 2026?
Spring leaf-out near 53085 came on Apr 11 in 2026, 6 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Sheboygan Falls, WI?
Long-day onions: the longest day near 53085 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).