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When to plant in Minneapolis, MN

USDA Zone 5a

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Minneapolis, Minnesota — all computed from Minneapolis's nearest NOAA weather station.

In zone 5a, Minneapolis gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.

Station · LOWER ST ANTHONY FALLS · 2.4 km
Last spring frost
April 23
50% chance · 32°F
First fall frost
October 16
50% chance · 32°F
Growing season
176 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for MinneapolisA year-band showing 32°F frost risk from January to December for Minneapolis: last spring frost around April 23, first fall frost around October 16, about 176 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

LOWER ST ANTHONY FALLS · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Minneapolis’s own odds, recorded at LOWER ST ANTHONY FALLS.

Frost-probability curves for MinneapolisProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 23 and the first fall frost around October 16, giving about 176 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 21May 4Apr 20Sep 23Oct 5Oct 20
32°FMay 7Apr 23Apr 10Oct 2Oct 16Oct 30
28°FApr 27Apr 14Apr 2Oct 12Oct 27Nov 9

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Rutabaga
July 10July 24
Fall sowin 5 days
Broccoli
July 24August 7
Fall sowin 5 days
Cabbage
July 24August 7
Fall sowin 5 days
Carrot
July 24August 7
Fall sowin 5 days
Cauliflower
July 24August 7
Fall sowin 5 days
Napa Cabbage
July 24August 21
Fall sowin 19 days
Beet
August 7August 21
Fall sowin 19 days
Collards
August 7September 4
Fall sowin 19 days
Endive
August 7August 21
Fall sowin 19 days
Escarole
August 7August 21
Fall sowin 19 days
Fennel (Bulb)
August 7August 21
Fall sowin 19 days
Kale
August 7September 4
Fall sowin 19 days
Kohlrabi
August 7September 4
Fall sowin 19 days
Peas
August 7August 21
Fall sowin 19 days
Radicchio
August 7August 21
Fall sowin 19 days
Swiss Chard
August 7August 21
Fall sowin 19 days
Turnip
August 7September 4

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Minneapolis, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 9 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

LOWER ST ANTHONY FALLS
Primary
2 km · 230 m elevation
SPRING
Apr 23
FALL
Oct 16
U OF MN ST PAUL
8 km · 296 m elevation
SPRING
Apr 28
FALL
Oct 8
MINNEAPOLIS/ST PAUL AP
9 km · 266 m elevation
SPRING
Apr 23
FALL
Oct 18

Minneapolis planting FAQ

When is the last spring frost in Minneapolis, MN?

Plan for the last spring frost in Minneapolis around April 23 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in Minneapolis, MN?

The first fall frost in Minneapolis typically arrives around October 16 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Minneapolis in?

Minneapolis is in USDA hardiness zone 5a. In zone 5a, winters are cold — pick cold-hardy varieties and protect tender crops.

How long is the growing season in Minneapolis?

Minneapolis has about 176 frost-free days — a moderate growing season — between the average last spring frost (April 23) and first fall frost (October 16).

When should I plant tomatoes in Minneapolis?

For Minneapolis, sow tomatoes indoors about February 26–March 12 and move the seedlings out around April 30, after the last spring frost.

Planting reminders

Never miss a window in Minneapolis

An email when it’s time to start seeds, transplant, and sow — timed to Minneapolis’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at LOWER ST ANTHONY FALLS, 2 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Minneapolis, MN — Frost Dates & Zone 5a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00214884. Retrieved from https://blissgarden.com/minnesota/minneapolis.
When to Plant in Minneapolis, MN — Frost Dates & Zone 5a — BlissGarden