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

Planting zone for 55434 — Minneapolis, MN

ZIP code 55434 (Minneapolis, Anoka County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 5 and the first fall frost October 2.

Where ZIP 55434 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 frostMay 5
First frostOct 2
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 frostMay 5median — 50% chance of a later frost
Safe for tender plantsMay 21only 10% chance of frost after
First fall frostOctober 2median — 10% chance by Sep 18
Growing season148 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 13.

From the NOAA station Andover 1n, MN — 7 miles away, elevation 899 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 55434

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 7 – Aug 21
GarlicPlant cloves · Sep 18 – Oct 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 5) and first fall frost (Oct 2) 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 55434 came on Apr 9 — 7 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 55434 is Millerville — mucky peat, very poorly drained.

TextureMucky peattop layer
DrainageVery poorly drainedconsider raised beds
Organic matter70%high
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Millerville mucky peat.

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 55434; 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 low2 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights172nights a year at 32 °F or less
Growing degree days2,396base 50 °F — the season’s usable heat
Longest day15 h 38 mindaylight on June 21
Shortest day8 h 45 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation28.8 inper year, rain and melted snow
Snowfall44 inper year; 106 days with snow on the ground

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 22 °F, low 2 °F 22°2° JanFebruary: average high 28 °F, low 7 °F 28°7° FebMarch: average high 41 °F, low 19 °F 41°19° MarApril: average high 56 °F, low 32 °F 56°32° AprMay: average high 68 °F, low 45 °F 68°45° MayJune: average high 78 °F, low 55 °F 78°55° JunJuly: average high 82 °F, low 60 °F 82°60° JulAugust: average high 80 °F, low 57 °F 80°57° AugSeptember: average high 72 °F, low 48 °F 72°48° SepOctober: average high 58 °F, low 36 °F 58°36° OctNovember: average high 41 °F, low 23 °F 41°23° NovDecember: average high 27 °F, low 11 °F 27°11° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.57 in precipitation, 5.1 in snowfall 0.6❄5 JanFebruary: 0.83 in precipitation, 9.6 in snowfall 0.8❄10 FebMarch: 1.44 in precipitation, 6.3 in snowfall 1.4❄6 MarApril: 2.94 in precipitation, 5.7 in snowfall 2.9❄6 AprMay: 3.57 in precipitation 3.6 MayJune: 3.80 in precipitation 3.8 JunJuly: 4.46 in precipitation 4.5 JulAugust: 3.60 in precipitation 3.6 AugSeptember: 2.53 in precipitation 2.5 SepOctober: 2.69 in precipitation, 0.7 in snowfall 2.7❄1 OctNovember: 1.38 in precipitation, 4.3 in snowfall 1.4❄4 NovDecember: 1.01 in precipitation, 12.4 in snowfall 1.0❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Andover 1n, MN (7 mi away); precipitation: Andover 1n, MN (7 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.

554335a
Minneapolis, MN · 3 mi
554485a
Minneapolis, MN · 3 mi
554495a
Minneapolis, MN · 3 mi
554325a
Minneapolis, MN · 5 mi
554445a
Minneapolis, MN · 5 mi
554435a
Minneapolis, MN · 5 mi
553044b
Andover, MN · 6 mi
550145a
Circle Pines, MN · 6 mi

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

Questions about 55434

What planting zone is ZIP code 55434?

ZIP code 55434 (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 55434 is May 5; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Andover 1n station.

When is the first frost in Minneapolis, MN?

The median first fall frost near 55434 is October 2, giving a median frost-free growing season of 148 days.

When should I plant tomatoes in 55434?

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 55434 get?

About 28.8 inches of precipitation a year and 44 inches of snowfall (NOAA 1991–2020 normals, Andover 1n station).

How hot do summers get in Minneapolis, MN?

The average high peaks at 82 °F in July, with about 10 days a year at 90 °F or more.

What kind of soil does 55434 have?

The USDA soil survey maps Millerville at the center of ZIP 55434: mucky peat, very poorly drained.

Did spring come early in Minneapolis, MN in 2026?

Spring leaf-out near 55434 came on Apr 9 in 2026, 7 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 55434 is 15 h 38 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 55434 change?

Yes. The 2012 USDA map put 55434 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.