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

Planting zone for 55554 — Norwood, MN

ZIP code 55554 (Norwood, Carver County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 5 and the first fall frost October 5.

Where ZIP 55554 is

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 5
First frostOct 5
2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Norwood, MN…

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 Norwood, MN

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 5median — 10% chance by Sep 22
Growing season151 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 23 and returns around October 16.

From the NOAA station Chaska 2nw, MN — 7 miles away, elevation 922 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 55554

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 10 – Aug 24
GarlicPlant cloves · Sep 21 – Oct 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 5) and first fall frost (Oct 5) 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 55554 came on Apr 10 — 7 days earlier than the 1991–2020 average (Apr 17).

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 Minnesota

497 plants native to the lower 48 states, recorded in Minnesota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 47

Shrubs 88

Wildflowers & perennials 190

Grasses 156

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 Norwood, MN.

Soil in Norwood, MN

The soil mapped at the center of ZIP 55554 is Muskego — muck, very poorly drained.

TextureMucktop layer
pH6.7neutral; most vegetables like 6.0–7.0
DrainageVery poorly drainedconsider raised beds
Organic matter70%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Muskego and Houghton soils, 0 to 1 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 55554; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Norwood, MN

Summer high83 °Faverage high, July
Winter low4 °Faverage low, January
Hot days11days a year at 90 °F or more
Freezing nights161nights a year at 32 °F or less
Growing degree days2,486base 50 °F — the season’s usable heat
Longest day15 h 35 mindaylight on June 21
Shortest day8 h 47 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation33.1 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 23 °F, low 4 °F 23°4° JanFebruary: average high 27 °F, low 7 °F 27°7° FebMarch: average high 40 °F, low 19 °F 40°19° MarApril: average high 56 °F, low 33 °F 56°33° AprMay: average high 68 °F, low 44 °F 68°44° MayJune: average high 78 °F, low 56 °F 78°56° JunJuly: average high 83 °F, low 60 °F 83°60° JulAugust: average high 80 °F, low 58 °F 80°58° AugSeptember: average high 73 °F, low 50 °F 73°50° SepOctober: average high 58 °F, low 36 °F 58°36° OctNovember: average high 41 °F, low 24 °F 41°24° NovDecember: average high 28 °F, low 12 °F 28°12° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.89 in precipitation 0.9 JanFebruary: 0.92 in precipitation 0.9 FebMarch: 1.61 in precipitation 1.6 MarApril: 3.05 in precipitation 3.0 AprMay: 4.29 in precipitation 4.3 MayJune: 4.60 in precipitation 4.6 JunJuly: 4.63 in precipitation 4.6 JulAugust: 4.23 in precipitation 4.2 AugSeptember: 3.31 in precipitation 3.3 SepOctober: 2.78 in precipitation 2.8 OctNovember: 1.63 in precipitation 1.6 NovDecember: 1.21 in precipitation 1.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Chaska 2nw, MN (7 mi away); precipitation: Victoria 1.6 Wsw, MN (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

Minnesota planting zones →

Questions about 55554

What planting zone is ZIP code 55554?

ZIP code 55554 (Norwood, MN) 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 Norwood, MN?

The median last spring frost (32 °F) near 55554 is May 5; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Chaska 2nw station.

When is the first frost in Norwood, MN?

The median first fall frost near 55554 is October 5, giving a median frost-free growing season of 151 days.

When should I plant tomatoes in 55554?

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 55554 get?

About 33.1 inches of precipitation a year (NOAA 1991–2020 normals, Victoria 1.6 Wsw station).

How hot do summers get in Norwood, MN?

The average high peaks at 83 °F in July, with about 11 days a year at 90 °F or more.

What kind of soil does 55554 have?

The USDA soil survey maps Muskego at the center of ZIP 55554: muck, very poorly drained, pH about 6.7 (neutral).

Did spring come early in Norwood, MN in 2026?

Spring leaf-out near 55554 came on Apr 10 in 2026, 7 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Norwood, MN?

Long-day onions: the longest day near 55554 is 15 h 35 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).