Planting zone for 53153 — North Prairie, WI
ZIP code 53153 (North Prairie, Waukesha County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 3 and the first fall frost October 9.
Where ZIP 53153 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 5a 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 5b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for North Prairie, 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 North Prairie, WI
A hard freeze (28 °F) usually ends around April 22 and returns around October 22.
From the NOAA station Sullivan 3se, WI — 7 miles away, elevation 932 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 53153
Counted from the median last spring frost (May 3) and first fall frost (Oct 9) 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 53153 came on Mar 30 — 14 days earlier than the 1991–2020 average (Apr 13).
Apr 132026
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 North Prairie, WI.
Soil in North Prairie, WI
The soil mapped at the center of ZIP 53153 is Casco — loam, somewhat excessively drained.
Map unit: Casco-Rodman complex, 20 to 30 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 53153; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in North Prairie, WI
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sullivan 3se, WI (7 mi away); precipitation: Mukwonago 0.5 N, WI (6 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 5b.
Questions about 53153
What planting zone is ZIP code 53153?
ZIP code 53153 (North Prairie, 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 North Prairie, WI?
The median last spring frost (32 °F) near 53153 is May 3; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sullivan 3se station.
When is the first frost in North Prairie, WI?
The median first fall frost near 53153 is October 9, giving a median frost-free growing season of 157 days.
When should I plant tomatoes in 53153?
Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.
How much rain and snow does 53153 get?
About 36.6 inches of precipitation a year (NOAA 1991–2020 normals, Mukwonago 0.5 N station).
How hot do summers get in North Prairie, WI?
The average high peaks at 82 °F in July, with about 11 days a year at 90 °F or more.
What kind of soil does 53153 have?
The USDA soil survey maps Casco at the center of ZIP 53153: loam, somewhat excessively drained, pH about 6.5 (neutral).
Did spring come early in North Prairie, WI in 2026?
Spring leaf-out near 53153 came on Mar 30 in 2026, 14 days earlier than the 1991–2020 average (Apr 13), according to the USA National Phenology Network Spring Index.
What kind of onions grow in North Prairie, WI?
Long-day onions: the longest day near 53153 is 15 h 21 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 53153 change?
Yes. The 2012 USDA map put 53153 in zone 5a; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.