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

Planting zone for 54459 — Ogema, WI

ZIP code 54459 (Ogema, Price County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 23 and the first fall frost September 23.

Where ZIP 54459 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.

Zone4a−30 to −25 °F
Coldest night−34.4 to −31.7 °C
Last frostMay 23
First frostSep 23
2012 zone3b

Was 3b 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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Ogema, 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 Ogema, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 23median — 50% chance of a later frost
Safe for tender plantsJune 6only 10% chance of frost after
First fall frostSeptember 23median — 10% chance by Sep 5
Growing season124 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 9 and returns around October 3.

From the NOAA station Prentice #2, WI — 10 miles away, elevation 1,539 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 54459

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 11 – Apr 25
SpinachSow outdoors · Apr 11 – May 2
Broccoli, cabbageStart indoors · Mar 14 – Mar 28
Broccoli, cabbageTransplant · May 2 – May 16
Onion setsPlant outdoors · Apr 25 – May 9
PotatoesPlant outdoors · May 2 – May 16
LettuceSow outdoors · Apr 25 – May 9
Carrots, beetsSow outdoors · May 2 – May 16
TomatoesStart indoors · Mar 28 – Apr 11
TomatoesTransplant · May 30 – Jun 13
Peppers, eggplantStart indoors · Mar 14 – Mar 28
Peppers, eggplantTransplant · Jun 6 – Jun 20
BeansSow outdoors · May 30 – Jun 13
Sweet cornSow outdoors · May 30 – Jun 13
Cucumbers, squashSow outdoors · May 30 – Jun 13
Fall lettuce, spinachSow outdoors · Jul 29 – Aug 12
GarlicPlant cloves · Sep 9 – Oct 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 23) and first fall frost (Sep 23) 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 54459 came on Apr 16 — 8 days earlier than the 1991–2020 average (Apr 24).

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).

Soil in Ogema, WI

The soil mapped at the center of ZIP 54459 is Newood — sandy loam, moderately well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.9moderately acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Newood, very stony-Pesabic, very stony-Cathro complex, 0 to 15 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 54459; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Ogema, WI

Summer high79 °Faverage high, July
Winter low1 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights190nights a year at 32 °F or less
Growing degree days1,848base 50 °F — the season’s usable heat
Longest day15 h 40 mindaylight on June 21
Shortest day8 h 43 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation32.4 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 21 °F, low 1 °F 21°1° JanFebruary: average high 27 °F, low 3 °F 27°3° FebMarch: average high 39 °F, low 15 °F 39°15° MarApril: average high 52 °F, low 29 °F 52°29° AprMay: average high 66 °F, low 41 °F 66°41° MayJune: average high 75 °F, low 51 °F 75°51° JunJuly: average high 79 °F, low 54 °F 79°54° JulAugust: average high 77 °F, low 52 °F 77°52° AugSeptember: average high 69 °F, low 45 °F 69°45° SepOctober: average high 55 °F, low 33 °F 55°33° OctNovember: average high 39 °F, low 21 °F 39°21° NovDecember: average high 26 °F, low 9 °F 26°9° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.97 in precipitation 1.0 JanFebruary: 1.02 in precipitation 1.0 FebMarch: 1.65 in precipitation 1.6 MarApril: 2.70 in precipitation 2.7 AprMay: 3.89 in precipitation 3.9 MayJune: 4.05 in precipitation 4.0 JunJuly: 3.55 in precipitation 3.5 JulAugust: 3.86 in precipitation 3.9 AugSeptember: 3.93 in precipitation 3.9 SepOctober: 3.50 in precipitation 3.5 OctNovember: 1.75 in precipitation 1.8 NovDecember: 1.50 in precipitation 1.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Prentice #2, WI (10 mi away); precipitation: Prentice #2, WI (10 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 54459

What planting zone is ZIP code 54459?

ZIP code 54459 (Ogema, WI) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Ogema, WI?

The median last spring frost (32 °F) near 54459 is May 23; after June 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Prentice #2 station.

When is the first frost in Ogema, WI?

The median first fall frost near 54459 is September 23, giving a median frost-free growing season of 124 days.

When should I plant tomatoes in 54459?

Start tomato seeds indoors around Mar 28 – Apr 11 and set transplants outside around May 30 – Jun 13, one to three weeks after the median last frost.

How much rain and snow does 54459 get?

About 32.4 inches of precipitation a year (NOAA 1991–2020 normals, Prentice #2 station).

How hot do summers get in Ogema, WI?

The average high peaks at 79 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 54459 have?

The USDA soil survey maps Newood at the center of ZIP 54459: sandy loam, moderately well drained, pH about 5.9 (moderately acidic).

Did spring come early in Ogema, WI in 2026?

Spring leaf-out near 54459 came on Apr 16 in 2026, 8 days earlier than the 1991–2020 average (Apr 24), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Ogema, WI?

Long-day onions: the longest day near 54459 is 15 h 40 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 54459 change?

Yes. The 2012 USDA map put 54459 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.