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

Planting zone for 53047 — Lebanon, WI

ZIP code 53047 (Lebanon, Dodge County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is April 28 and the first fall frost October 10.

Where ZIP 53047 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 frostApr 28
First frostOct 10
2012 zone5a

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 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Lebanon, 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 Lebanon, WI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 13only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 26
Growing season164 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 16 and returns around October 22.

From the NOAA station Hustisford Wwtp, WI — 6 miles away, elevation 863 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 53047

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 10) 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 53047 came on Mar 30 — 15 days earlier than the 1991–2020 average (Apr 14).

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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 93

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 191

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 158

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 5

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °F

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 Lebanon, WI.

Soil in Lebanon, WI

The soil mapped at the center of ZIP 53047 is Miami — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Miami silt loam, 6 to 12 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 53047; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lebanon, WI

Summer high82 °Faverage high, July
Winter low11 °Faverage low, January
Hot days8days a year at 90 °F or more
Freezing nights149nights a year at 32 °F or less
Growing degree days2,584base 50 °F — the season’s usable heat
Longest day15 h 24 mindaylight on June 21
Shortest day8 h 58 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation35 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 26 °F, low 11 °F 26°11° JanFebruary: average high 30 °F, low 13 °F 30°13° FebMarch: average high 42 °F, low 24 °F 42°24° MarApril: average high 56 °F, low 36 °F 56°36° AprMay: average high 68 °F, low 47 °F 68°47° MayJune: average high 78 °F, low 57 °F 78°57° JunJuly: average high 82 °F, low 61 °F 82°61° JulAugust: average high 80 °F, low 58 °F 80°58° AugSeptember: average high 73 °F, low 50 °F 73°50° SepOctober: average high 59 °F, low 39 °F 59°39° OctNovember: average high 44 °F, low 28 °F 44°28° NovDecember: average high 32 °F, low 17 °F 32°17° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.55 in precipitation 1.6 JanFebruary: 1.72 in precipitation 1.7 FebMarch: 1.92 in precipitation 1.9 MarApril: 3.55 in precipitation 3.5 AprMay: 3.70 in precipitation 3.7 MayJune: 5.09 in precipitation 5.1 JunJuly: 4.22 in precipitation 4.2 JulAugust: 3.62 in precipitation 3.6 AugSeptember: 3.06 in precipitation 3.1 SepOctober: 3.02 in precipitation 3.0 OctNovember: 1.95 in precipitation 1.9 NovDecember: 1.63 in precipitation 1.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hustisford Wwtp, WI (6 mi away); precipitation: Clyman, WI (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5a.

530985a
Watertown, WI · 4 mi
530345a
Hustisford, WI · 5 mi
530595a
Neosho, WI · 6 mi
530165a
Clyman, WI · 6 mi
530365a
Ixonia, WI · 6 mi
530035a
Ashippun, WI · 6 mi
530395a
Juneau, WI · 9 mi
530785a
Rubicon, WI · 9 mi

Wisconsin planting zones →

Questions about 53047

What planting zone is ZIP code 53047?

ZIP code 53047 (Lebanon, 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 Lebanon, WI?

The median last spring frost (32 °F) near 53047 is April 28; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hustisford Wwtp station.

When is the first frost in Lebanon, WI?

The median first fall frost near 53047 is October 10, giving a median frost-free growing season of 164 days.

When should I plant tomatoes in 53047?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 53047 get?

About 35 inches of precipitation a year (NOAA 1991–2020 normals, Clyman station).

How hot do summers get in Lebanon, WI?

The average high peaks at 82 °F in July, with about 8 days a year at 90 °F or more.

What kind of soil does 53047 have?

The USDA soil survey maps Miami at the center of ZIP 53047: silt loam, well drained, pH about 7.0 (neutral).

Did spring come early in Lebanon, WI in 2026?

Spring leaf-out near 53047 came on Mar 30 in 2026, 15 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lebanon, WI?

Long-day onions: the longest day near 53047 is 15 h 24 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).