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

Planting zone for 54726 — Boyd, WI

ZIP code 54726 (Boyd, Chippewa County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 7 and the first fall frost October 3.

Where ZIP 54726 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostMay 7
First frostOct 3
2012 zone4a

Was 4a 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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Boyd, 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 Boyd, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 7median — 50% chance of a later frost
Safe for tender plantsMay 21only 10% chance of frost after
First fall frostOctober 3median — 10% chance by Sep 20
Growing season147 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around October 14.

From the NOAA station Stanley Wwtp, WI — 5 miles away, elevation 1,079 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 54726

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 26 – Apr 9
SpinachSow outdoors · Mar 26 – Apr 16
Broccoli, cabbageStart indoors · Feb 26 – Mar 12
Broccoli, cabbageTransplant · Apr 16 – Apr 30
Onion setsPlant outdoors · Apr 9 – Apr 23
PotatoesPlant outdoors · Apr 16 – Apr 30
LettuceSow outdoors · Apr 9 – Apr 23
Carrots, beetsSow outdoors · Apr 16 – Apr 30
TomatoesStart indoors · Mar 12 – Mar 26
TomatoesTransplant · May 14 – May 28
Peppers, eggplantStart indoors · Feb 26 – Mar 12
Peppers, eggplantTransplant · May 21 – Jun 4
BeansSow outdoors · May 14 – May 28
Sweet cornSow outdoors · May 14 – May 28
Cucumbers, squashSow outdoors · May 14 – May 28
Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22
GarlicPlant cloves · Sep 19 – Oct 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 7) and first fall frost (Oct 3) 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 54726 came on Apr 11 — 8 days earlier than the 1991–2020 average (Apr 19).

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 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 Boyd, WI.

Soil in Boyd, WI

The soil mapped at the center of ZIP 54726 is Barronett — silt loam, poorly drained.

TextureSilt loama good balance for most vegetables
pH5.9moderately acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter15%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classPrime farmland if drained and either protected from flooding or not frequently flooded during the growing seasonUSDA classification

Map unit: Barronett mucky silt loam, ponded, 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 54726; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Boyd, WI

Summer high80 °Faverage high, July
Winter low3 °Faverage low, January
Hot days3days a year at 90 °F or more
Freezing nights175nights a year at 32 °F or less
Growing degree days2,274base 50 °F — the season’s usable heat
Longest day15 h 37 mindaylight on June 21
Shortest day8 h 46 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation32.5 inper year, rain and melted snow
Snowfall52 inper year

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 22 °F, low 3 °F 22°3° JanFebruary: average high 27 °F, low 7 °F 27°7° FebMarch: average high 40 °F, low 20 °F 40°20° MarApril: average high 54 °F, low 32 °F 54°32° AprMay: average high 67 °F, low 45 °F 67°45° MayJune: average high 76 °F, low 55 °F 76°55° JunJuly: average high 80 °F, low 59 °F 80°59° JulAugust: average high 79 °F, low 57 °F 79°57° AugSeptember: average high 71 °F, low 48 °F 71°48° SepOctober: average high 57 °F, low 36 °F 57°36° OctNovember: average high 41 °F, low 25 °F 41°25° NovDecember: average high 28 °F, low 12 °F 28°12° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.91 in precipitation, 10.7 in snowfall 0.9❄11 JanFebruary: 1.04 in precipitation, 10.4 in snowfall 1.0❄10 FebMarch: 1.66 in precipitation, 10.4 in snowfall 1.7❄10 MarApril: 2.99 in precipitation, 3.7 in snowfall 3.0❄4 AprMay: 3.74 in precipitation, 0.3 in snowfall 3.7 MayJune: 4.30 in precipitation 4.3 JunJuly: 3.76 in precipitation 3.8 JulAugust: 4.25 in precipitation 4.3 AugSeptember: 3.77 in precipitation 3.8 SepOctober: 2.83 in precipitation, 1.1 in snowfall 2.8❄1 OctNovember: 1.94 in precipitation, 4 in snowfall 1.9❄4 NovDecember: 1.29 in precipitation, 11.4 in snowfall 1.3❄11 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Stanley Wwtp, WI (5 mi away); precipitation: Stanley Wwtp, WI (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

Wisconsin planting zones →

Questions about 54726

What planting zone is ZIP code 54726?

ZIP code 54726 (Boyd, 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 Boyd, WI?

The median last spring frost (32 °F) near 54726 is May 7; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Stanley Wwtp station.

When is the first frost in Boyd, WI?

The median first fall frost near 54726 is October 3, giving a median frost-free growing season of 147 days.

When should I plant tomatoes in 54726?

Start tomato seeds indoors around Mar 12 – Mar 26 and set transplants outside around May 14 – May 28, one to three weeks after the median last frost.

How much rain and snow does 54726 get?

About 32.5 inches of precipitation a year and 52 inches of snowfall (NOAA 1991–2020 normals, Stanley Wwtp station).

How hot do summers get in Boyd, WI?

The average high peaks at 80 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 54726 have?

The USDA soil survey maps Barronett at the center of ZIP 54726: silt loam, poorly drained, pH about 5.9 (moderately acidic).

Did spring come early in Boyd, WI in 2026?

Spring leaf-out near 54726 came on Apr 11 in 2026, 8 days earlier than the 1991–2020 average (Apr 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Boyd, WI?

Long-day onions: the longest day near 54726 is 15 h 37 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 54726 change?

Yes. The 2012 USDA map put 54726 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.