FrostCal

When to Plant Cauliflower in Minnesota

In a typical Minnesota location, start seeds indoors Mar 12 – Mar 26, then transplant outdoors Apr 16 – Apr 23. Across the state, the outdoor planting window starts as early as Apr 7 in Winona and as late as May 22 in Hibbing. For a fall crop, plant around Jul 31 – Aug 7.

Method Start indoors, then transplant
Days to maturity 55–85 days

Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Cauliflower Planting Dates by City

CityStart indoorsTransplantFall planting
MinneapolisMar 5 – Mar 19Apr 9 – Apr 16Aug 7 – Aug 14
Saint PaulMar 6 – Mar 20Apr 10 – Apr 17Aug 7 – Aug 14
RochesterMar 12 – Mar 26Apr 16 – Apr 23Jul 28 – Aug 4
BloomingtonMar 5 – Mar 19Apr 9 – Apr 16Aug 9 – Aug 16
DuluthMar 26 – Apr 9Apr 30 – May 7Aug 3 – Aug 10
Brooklyn ParkMar 12 – Mar 26Apr 16 – Apr 23Jul 30 – Aug 6
PlymouthMar 11 – Mar 25Apr 15 – Apr 22Aug 3 – Aug 10
Maple GroveMar 12 – Mar 26Apr 16 – Apr 23Jul 30 – Aug 6
WoodburyMar 8 – Mar 22Apr 12 – Apr 19Aug 3 – Aug 10
EaganMar 5 – Mar 19Apr 9 – Apr 16Aug 9 – Aug 16
Saint CloudMar 19 – Apr 2Apr 23 – Apr 30Jul 22 – Jul 29
Eden PrairieMar 5 – Mar 19Apr 9 – Apr 16Aug 5 – Aug 12
West Coon RapidsMar 12 – Mar 26Apr 16 – Apr 23Jul 30 – Aug 6
Coon RapidsMar 12 – Mar 26Apr 16 – Apr 23Jul 30 – Aug 6
BlaineMar 17 – Mar 31Apr 21 – Apr 28Jul 24 – Jul 31
BurnsvilleMar 5 – Mar 19Apr 9 – Apr 16Aug 9 – Aug 16
LakevilleMar 9 – Mar 23Apr 13 – Apr 20Aug 1 – Aug 8
MinnetonkaMar 12 – Mar 26Apr 16 – Apr 23Jul 31 – Aug 7
Apple ValleyMar 9 – Mar 23Apr 13 – Apr 20Aug 1 – Aug 8
EdinaMar 5 – Mar 19Apr 9 – Apr 16Aug 9 – Aug 16
Minnetonka MillsMar 11 – Mar 25Apr 15 – Apr 22Aug 3 – Aug 10
Saint Louis ParkMar 11 – Mar 25Apr 15 – Apr 22Aug 3 – Aug 10
MoorheadMar 17 – Mar 31Apr 21 – Apr 28Jul 25 – Aug 1
MankatoMar 12 – Mar 26Apr 16 – Apr 23Jul 31 – Aug 7
MaplewoodMar 8 – Mar 22Apr 12 – Apr 19Aug 3 – Aug 10
ShakopeeMar 5 – Mar 19Apr 9 – Apr 16Aug 5 – Aug 12
RichfieldMar 5 – Mar 19Apr 9 – Apr 16Aug 9 – Aug 16
Cottage GroveMar 5 – Mar 19Apr 9 – Apr 16Aug 10 – Aug 17
RosevilleMar 10 – Mar 24Apr 14 – Apr 21Jul 30 – Aug 6
Inver Grove HeightsMar 6 – Mar 20Apr 10 – Apr 17Aug 7 – Aug 14

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 cauliflower in Minnesota?

In a typical Minnesota location, start seeds indoors Mar 12 – Mar 26, then transplant outdoors Apr 16 – Apr 23. Across the state, the outdoor planting window starts as early as Apr 7 in Winona and as late as May 22 in Hibbing. For a fall crop, plant around Jul 31 – Aug 7.

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 cauliflower take to grow?

Cauliflower typically take 55–85 days from planting to harvest. Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Other Crops in Minnesota

When to plant cauliflower in other states

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