FrostCal

When to Plant Broccoli in Minnesota

In a typical Minnesota location, start seeds indoors Mar 12 – Mar 26, then transplant outdoors Apr 9 – Apr 16. Across the state, the outdoor planting window starts as early as Mar 31 in Winona and as late as May 15 in Hibbing. For a fall crop, plant around Aug 7 – Aug 14.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
MinneapolisMar 5 – Mar 19Apr 2 – Apr 9Aug 14 – Aug 21
Saint PaulMar 6 – Mar 20Apr 3 – Apr 10Aug 14 – Aug 21
RochesterMar 12 – Mar 26Apr 9 – Apr 16Aug 4 – Aug 11
BloomingtonMar 5 – Mar 19Apr 2 – Apr 9Aug 16 – Aug 23
DuluthMar 26 – Apr 9Apr 23 – Apr 30Aug 10 – Aug 17
Brooklyn ParkMar 12 – Mar 26Apr 9 – Apr 16Aug 6 – Aug 13
PlymouthMar 11 – Mar 25Apr 8 – Apr 15Aug 10 – Aug 17
Maple GroveMar 12 – Mar 26Apr 9 – Apr 16Aug 6 – Aug 13
WoodburyMar 8 – Mar 22Apr 5 – Apr 12Aug 10 – Aug 17
EaganMar 5 – Mar 19Apr 2 – Apr 9Aug 16 – Aug 23
Saint CloudMar 19 – Apr 2Apr 16 – Apr 23Jul 29 – Aug 5
Eden PrairieMar 5 – Mar 19Apr 2 – Apr 9Aug 12 – Aug 19
West Coon RapidsMar 12 – Mar 26Apr 9 – Apr 16Aug 6 – Aug 13
Coon RapidsMar 12 – Mar 26Apr 9 – Apr 16Aug 6 – Aug 13
BlaineMar 17 – Mar 31Apr 14 – Apr 21Jul 31 – Aug 7
BurnsvilleMar 5 – Mar 19Apr 2 – Apr 9Aug 16 – Aug 23
LakevilleMar 9 – Mar 23Apr 6 – Apr 13Aug 8 – Aug 15
MinnetonkaMar 12 – Mar 26Apr 9 – Apr 16Aug 7 – Aug 14
Apple ValleyMar 9 – Mar 23Apr 6 – Apr 13Aug 8 – Aug 15
EdinaMar 5 – Mar 19Apr 2 – Apr 9Aug 16 – Aug 23
Minnetonka MillsMar 11 – Mar 25Apr 8 – Apr 15Aug 10 – Aug 17
Saint Louis ParkMar 11 – Mar 25Apr 8 – Apr 15Aug 10 – Aug 17
MoorheadMar 17 – Mar 31Apr 14 – Apr 21Aug 1 – Aug 8
MankatoMar 12 – Mar 26Apr 9 – Apr 16Aug 7 – Aug 14
MaplewoodMar 8 – Mar 22Apr 5 – Apr 12Aug 10 – Aug 17
ShakopeeMar 5 – Mar 19Apr 2 – Apr 9Aug 12 – Aug 19
RichfieldMar 5 – Mar 19Apr 2 – Apr 9Aug 16 – Aug 23
Cottage GroveMar 5 – Mar 19Apr 2 – Apr 9Aug 17 – Aug 24
RosevilleMar 10 – Mar 24Apr 7 – Apr 14Aug 6 – Aug 13
Inver Grove HeightsMar 6 – Mar 20Apr 3 – Apr 10Aug 14 – Aug 21

Showing the 30 most populous of 104 Minnesota cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Minnesota cities.

Frequently Asked Questions

When should I plant broccoli in Minnesota?

In a typical Minnesota location, start seeds indoors Mar 12 – Mar 26, then transplant outdoors Apr 9 – Apr 16. Across the state, the outdoor planting window starts as early as Mar 31 in Winona and as late as May 15 in Hibbing. For a fall crop, plant around Aug 7 – Aug 14.

When is the last frost in Minnesota?

The average last spring frost in Minnesota ranges from April 21 in Winona to June 5 in Hibbing, based on NOAA 1991–2020 climate normals.

How long do broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Minnesota

When to plant broccoli in other states

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