FrostCal

When to Plant Zucchini in Minnesota

In a typical Minnesota location, start seeds indoors Apr 9 – Apr 16, then sow outdoors May 7 – May 21, then transplant outdoors May 7 – May 14. Across the state, the outdoor planting window starts as early as Apr 28 in Winona and as late as Jun 12 in Hibbing.

Method Direct sow
Days to maturity 45–55 days

Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Zucchini Planting Dates by City

CityStart indoorsDirect sowTransplant
MinneapolisApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
Saint PaulApr 3 – Apr 10May 1 – May 15May 1 – May 8
RochesterApr 9 – Apr 16May 7 – May 21May 7 – May 14
BloomingtonApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
DuluthApr 23 – Apr 30May 21 – Jun 4May 21 – May 28
Brooklyn ParkApr 9 – Apr 16May 7 – May 21May 7 – May 14
PlymouthApr 8 – Apr 15May 6 – May 20May 6 – May 13
Maple GroveApr 9 – Apr 16May 7 – May 21May 7 – May 14
WoodburyApr 5 – Apr 12May 3 – May 17May 3 – May 10
EaganApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
Saint CloudApr 16 – Apr 23May 14 – May 28May 14 – May 21
Eden PrairieApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
West Coon RapidsApr 9 – Apr 16May 7 – May 21May 7 – May 14
Coon RapidsApr 9 – Apr 16May 7 – May 21May 7 – May 14
BlaineApr 14 – Apr 21May 12 – May 26May 12 – May 19
BurnsvilleApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
LakevilleApr 6 – Apr 13May 4 – May 18May 4 – May 11
MinnetonkaApr 9 – Apr 16May 7 – May 21May 7 – May 14
Apple ValleyApr 6 – Apr 13May 4 – May 18May 4 – May 11
EdinaApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
Minnetonka MillsApr 8 – Apr 15May 6 – May 20May 6 – May 13
Saint Louis ParkApr 8 – Apr 15May 6 – May 20May 6 – May 13
MoorheadApr 14 – Apr 21May 12 – May 26May 12 – May 19
MankatoApr 9 – Apr 16May 7 – May 21May 7 – May 14
MaplewoodApr 5 – Apr 12May 3 – May 17May 3 – May 10
ShakopeeApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
RichfieldApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
Cottage GroveApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
RosevilleApr 7 – Apr 14May 5 – May 19May 5 – May 12
Inver Grove HeightsApr 3 – Apr 10May 1 – May 15May 1 – May 8

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 zucchini in Minnesota?

In a typical Minnesota location, start seeds indoors Apr 9 – Apr 16, then sow outdoors May 7 – May 21, then transplant outdoors May 7 – May 14. Across the state, the outdoor planting window starts as early as Apr 28 in Winona and as late as Jun 12 in Hibbing.

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 zucchini take to grow?

Zucchini typically take 45–55 days from planting to harvest. Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Other Crops in Minnesota

When to plant zucchini in other states

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