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

Planting zone for 55415 — Minneapolis, MN

ZIP code 55415 (Minneapolis, Hennepin County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is April 23 and the first fall frost October 16.

Where ZIP 55415 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 23
First frostOct 16
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 23median — 50% chance of a later frost
Safe for tender plantsMay 7only 10% chance of frost after
First fall frostOctober 16median — 10% chance by Oct 2
Growing season175 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 14 and returns around October 27.

From the NOAA station Lower St Anthony Falls, MN — within 1 mile, elevation 755 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 55415

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 12 – Mar 26
SpinachSow outdoors · Mar 12 – Apr 2
Broccoli, cabbageStart indoors · Feb 12 – Feb 26
Broccoli, cabbageTransplant · Apr 2 – Apr 16
Onion setsPlant outdoors · Mar 26 – Apr 9
PotatoesPlant outdoors · Apr 2 – Apr 16
LettuceSow outdoors · Mar 26 – Apr 9
Carrots, beetsSow outdoors · Apr 2 – Apr 16
TomatoesStart indoors · Feb 26 – Mar 12
TomatoesTransplant · Apr 30 – May 14
Peppers, eggplantStart indoors · Feb 12 – Feb 26
Peppers, eggplantTransplant · May 7 – May 21
BeansSow outdoors · Apr 30 – May 14
Sweet cornSow outdoors · Apr 30 – May 14
Cucumbers, squashSow outdoors · Apr 30 – May 14
Fall lettuce, spinachSow outdoors · Aug 21 – Sep 4
GarlicPlant cloves · Oct 2 – Nov 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 23) and first fall frost (Oct 16) 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 55415 came on Mar 30 — 16 days earlier than the 1991–2020 average (Apr 15).

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 55415 is Udipsamments, somewhat excessively drained. Much of the area is built over (urban land); this is the natural soil underneath.

DrainageSomewhat excessively drainednatural drainage class
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Udipsamments (cut and fill land) complex, 0 to 2 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 55415; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Minneapolis, MN

Summer high83 °Faverage high, July
Winter low8 °Faverage low, January
Hot days18days a year at 90 °F or more
Freezing nights147nights a year at 32 °F or less
Growing degree days2,799base 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)
Precipitation33.3 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 22 °F, low 8 °F 22°8° JanFebruary: average high 27 °F, low 12 °F 27°12° FebMarch: average high 40 °F, low 24 °F 40°24° MarApril: average high 55 °F, low 36 °F 55°36° AprMay: average high 69 °F, low 49 °F 69°49° MayJune: average high 79 °F, low 59 °F 79°59° JunJuly: average high 83 °F, low 64 °F 83°64° JulAugust: average high 80 °F, low 62 °F 80°62° AugSeptember: average high 72 °F, low 54 °F 72°54° SepOctober: average high 56 °F, low 41 °F 56°41° OctNovember: average high 40 °F, low 27 °F 40°27° NovDecember: average high 27 °F, low 15 °F 27°15° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.80 in precipitation 0.8 JanFebruary: 0.90 in precipitation 0.9 FebMarch: 1.60 in precipitation 1.6 MarApril: 3.34 in precipitation 3.3 AprMay: 4.33 in precipitation 4.3 MayJune: 4.65 in precipitation 4.7 JunJuly: 4.44 in precipitation 4.4 JulAugust: 4.36 in precipitation 4.4 AugSeptember: 3.17 in precipitation 3.2 SepOctober: 2.92 in precipitation 2.9 OctNovember: 1.57 in precipitation 1.6 NovDecember: 1.21 in precipitation 1.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lower St Anthony Falls, MN (within 1 mile); precipitation: Minneapolis 0.4 Ne, MN (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5a.

554405a
Minneapolis, MN · <1 mi
554585a
Minneapolis, MN · <1 mi
554595a
Minneapolis, MN · <1 mi
554705a
Minneapolis, MN · <1 mi
554725a
Minneapolis, MN · <1 mi
554745a
Minneapolis, MN · <1 mi
554785a
Minneapolis, MN · <1 mi
554795a
Minneapolis, MN · <1 mi

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

Questions about 55415

What planting zone is ZIP code 55415?

ZIP code 55415 (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 55415 is April 23; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lower St Anthony Falls station.

When is the first frost in Minneapolis, MN?

The median first fall frost near 55415 is October 16, giving a median frost-free growing season of 175 days.

When should I plant tomatoes in 55415?

Start tomato seeds indoors around Feb 26 – Mar 12 and set transplants outside around Apr 30 – May 14, one to three weeks after the median last frost.

How much rain and snow does 55415 get?

About 33.3 inches of precipitation a year (NOAA 1991–2020 normals, Minneapolis 0.4 Ne station).

How hot do summers get in Minneapolis, MN?

The average high peaks at 83 °F in July, with about 18 days a year at 90 °F or more.

Did spring come early in Minneapolis, MN in 2026?

Spring leaf-out near 55415 came on Mar 30 in 2026, 16 days earlier than the 1991–2020 average (Apr 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Minneapolis, MN?

Long-day onions: the longest day near 55415 is 15 h 37 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 55415 change?

Yes. The 2012 USDA map put 55415 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.