Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 53573 — Muscoda, WI

ZIP code 53573 (Muscoda, Grant County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 5 and the first fall frost October 6.

Where ZIP 53573 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not 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.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostMay 5
First frostOct 6
2012 zone4b

Was 4b 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 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Muscoda, 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 Muscoda, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 5median — 50% chance of a later frost
Safe for tender plantsMay 19only 10% chance of frost after
First fall frostOctober 6median — 10% chance by Sep 24
Growing season154 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 17.

From the NOAA station Richland Center, WI — 11 miles away, elevation 728 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 53573

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 24 – Apr 7
SpinachSow outdoors · Mar 24 – Apr 14
Broccoli, cabbageStart indoors · Feb 24 – Mar 10
Broccoli, cabbageTransplant · Apr 14 – Apr 28
Onion setsPlant outdoors · Apr 7 – Apr 21
PotatoesPlant outdoors · Apr 14 – Apr 28
LettuceSow outdoors · Apr 7 – Apr 21
Carrots, beetsSow outdoors · Apr 14 – Apr 28
TomatoesStart indoors · Mar 10 – Mar 24
TomatoesTransplant · May 12 – May 26
Peppers, eggplantStart indoors · Feb 24 – Mar 10
Peppers, eggplantTransplant · May 19 – Jun 2
BeansSow outdoors · May 12 – May 26
Sweet cornSow outdoors · May 12 – May 26
Cucumbers, squashSow outdoors · May 12 – May 26
Fall lettuce, spinachSow outdoors · Aug 11 – Aug 25
GarlicPlant cloves · Sep 22 – Oct 27
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 5) and first fall frost (Oct 6) 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 53573 came on Mar 30 — 14 days earlier than the 1991–2020 average (Apr 13).

JanFebMarAprMayJun

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 5a in Wisconsin

510 plants native to the lower 48 states, recorded in Wisconsin, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 48

Shrubs 93

Wildflowers & perennials 191

Grasses 158

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 Muscoda, WI.

Soil in Muscoda, WI

The soil mapped at the center of ZIP 53573 is Sparta — loamy fine sand, excessively drained.

TextureLoamy fine sanddrains and warms fast; dries out and needs more feeding
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Sparta loamy fine sand and Blown-out land, 0 to 2 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 53573; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Muscoda, WI

Summer high82 °Faverage high, July
Winter low8 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights166nights a year at 32 °F or less
Growing degree days2,479base 50 °F — the season’s usable heat
Longest day15 h 23 mindaylight on June 21
Shortest day8 h 59 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation39.5 inper year, rain and melted snow
Snowfall40 inper year; 76 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 27 °F, low 8 °F 27°8° JanFebruary: average high 32 °F, low 11 °F 32°11° FebMarch: average high 44 °F, low 22 °F 44°22° MarApril: average high 57 °F, low 33 °F 57°33° AprMay: average high 69 °F, low 45 °F 69°45° MayJune: average high 78 °F, low 56 °F 78°56° JunJuly: average high 82 °F, low 60 °F 82°60° JulAugust: average high 80 °F, low 57 °F 80°57° AugSeptember: average high 73 °F, low 49 °F 73°49° SepOctober: average high 60 °F, low 37 °F 60°37° OctNovember: average high 45 °F, low 26 °F 45°26° NovDecember: average high 32 °F, low 15 °F 32°15° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 1.26 in precipitation, 11.3 in snowfall 1.3❄11 JanFebruary: 1.11 in precipitation, 9.8 in snowfall 1.1❄10 FebMarch: 2.04 in precipitation, 5 in snowfall 2.0❄5 MarApril: 4.10 in precipitation, 1.1 in snowfall 4.1❄1 AprMay: 4.68 in precipitation 4.7 MayJune: 6.03 in precipitation 6.0 JunJuly: 5.02 in precipitation 5.0 JulAugust: 4.92 in precipitation 4.9 AugSeptember: 3.92 in precipitation 3.9 SepOctober: 2.96 in precipitation, 0.1 in snowfall 3.0 OctNovember: 1.99 in precipitation, 2.4 in snowfall 2.0❄2 NovDecember: 1.50 in precipitation, 10.7 in snowfall 1.5❄11 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Richland Center, WI (11 mi away); precipitation: Richland Center, 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.

Wisconsin planting zones →

Questions about 53573

What planting zone is ZIP code 53573?

ZIP code 53573 (Muscoda, WI) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Muscoda, WI?

The median last spring frost (32 °F) near 53573 is May 5; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Richland Center station.

When is the first frost in Muscoda, WI?

The median first fall frost near 53573 is October 6, giving a median frost-free growing season of 154 days.

When should I plant tomatoes in 53573?

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 53573 get?

About 39.5 inches of precipitation a year and 40 inches of snowfall (NOAA 1991–2020 normals, Richland Center station).

How hot do summers get in Muscoda, WI?

The average high peaks at 82 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 53573 have?

The USDA soil survey maps Sparta at the center of ZIP 53573: loamy fine sand, excessively drained, pH about 6.2 (slightly acidic).

Did spring come early in Muscoda, WI in 2026?

Spring leaf-out near 53573 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 Muscoda, WI?

Long-day onions: the longest day near 53573 is 15 h 23 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 53573 change?

Yes. The 2012 USDA map put 53573 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.