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

Planting zone for 55441 — Minneapolis, MN

ZIP code 55441 (Minneapolis, Hennepin County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is April 29 and the first fall frost October 12.

Where ZIP 55441 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 29
First frostOct 12
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 Minneapolis, 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 Minneapolis, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 29median — 50% chance of a later frost
Safe for tender plantsMay 12only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Sep 29
Growing season163 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 19 and returns around October 22.

From the NOAA station New Hope, MN — 2 miles away, elevation 909 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 55441

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 18 – Apr 1
SpinachSow outdoors · Mar 18 – Apr 8
Broccoli, cabbageStart indoors · Feb 18 – Mar 4
Broccoli, cabbageTransplant · Apr 8 – Apr 22
Onion setsPlant outdoors · Apr 1 – Apr 15
PotatoesPlant outdoors · Apr 8 – Apr 22
LettuceSow outdoors · Apr 1 – Apr 15
Carrots, beetsSow outdoors · Apr 8 – Apr 22
TomatoesStart indoors · Mar 4 – Mar 18
TomatoesTransplant · May 6 – May 20
Peppers, eggplantStart indoors · Feb 18 – Mar 4
Peppers, eggplantTransplant · May 13 – May 27
BeansSow outdoors · May 6 – May 20
Sweet cornSow outdoors · May 6 – May 20
Cucumbers, squashSow outdoors · May 6 – May 20
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 29) and first fall frost (Oct 12) 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 55441 came on Apr 7 — 9 days earlier than the 1991–2020 average (Apr 16).

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 Minneapolis, MN

The soil mapped at the center of ZIP 55441 is Lester — loam, well drained.

TextureLoama good balance for most vegetables
pH6.6neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Lester loam, 10 to 16 percent slopes, moderately 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 55441; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Minneapolis, MN

Summer high82 °Faverage high, July
Winter low7 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights156nights a year at 32 °F or less
Growing degree days2,711base 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)
Precipitation34.7 inper year, rain and melted snow
Snowfall54 inper year; 104 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 24 °F, low 7 °F 24°7° JanFebruary: average high 29 °F, low 11 °F 29°11° FebMarch: average high 42 °F, low 23 °F 42°23° MarApril: average high 57 °F, low 35 °F 57°35° AprMay: average high 69 °F, low 48 °F 69°48° MayJune: average high 78 °F, low 58 °F 78°58° JunJuly: average high 82 °F, low 63 °F 82°63° JulAugust: average high 80 °F, low 61 °F 80°61° AugSeptember: average high 72 °F, low 52 °F 72°52° SepOctober: average high 57 °F, low 39 °F 57°39° OctNovember: average high 41 °F, low 26 °F 41°26° NovDecember: average high 29 °F, low 14 °F 29°14° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.95 in precipitation, 10.1 in snowfall 0.9❄10 JanFebruary: 1.02 in precipitation, 10.1 in snowfall 1.0❄10 FebMarch: 1.88 in precipitation, 9 in snowfall 1.9❄9 MarApril: 3.31 in precipitation, 5.1 in snowfall 3.3❄5 AprMay: 4.49 in precipitation 4.5 MayJune: 4.64 in precipitation 4.6 JunJuly: 4.51 in precipitation 4.5 JulAugust: 4.18 in precipitation 4.2 AugSeptember: 3.45 in precipitation 3.5 SepOctober: 2.98 in precipitation, 0.8 in snowfall 3.0❄1 OctNovember: 1.87 in precipitation, 6.9 in snowfall 1.9❄7 NovDecember: 1.40 in precipitation, 12.3 in snowfall 1.4❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: New Hope, MN (2 mi away); precipitation: New Hope, MN (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

4 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

All 66 ZIP codes in Minneapolis → · Minnesota planting zones →

Questions about 55441

What planting zone is ZIP code 55441?

ZIP code 55441 (Minneapolis, MN) 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 Minneapolis, MN?

The median last spring frost (32 °F) near 55441 is April 29; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, New Hope station.

When is the first frost in Minneapolis, MN?

The median first fall frost near 55441 is October 12, giving a median frost-free growing season of 163 days.

When should I plant tomatoes in 55441?

Start tomato seeds indoors around Mar 4 – Mar 18 and set transplants outside around May 6 – May 20, one to three weeks after the median last frost.

How much rain and snow does 55441 get?

About 34.7 inches of precipitation a year and 54 inches of snowfall (NOAA 1991–2020 normals, New Hope station).

How hot do summers get in Minneapolis, MN?

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 55441 have?

The USDA soil survey maps Lester at the center of ZIP 55441: loam, well drained, pH about 6.6 (neutral).

Did spring come early in Minneapolis, MN in 2026?

Spring leaf-out near 55441 came on Apr 7 in 2026, 9 days earlier than the 1991–2020 average (Apr 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Minneapolis, MN?

Long-day onions: the longest day near 55441 is 15 h 37 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 55441 change?

Yes. The 2012 USDA map put 55441 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.