FrostCal

When to Plant Cucumbers in Wisconsin

In a typical Wisconsin location, start seeds indoors Apr 2 – Apr 9, then sow outdoors May 7 – May 14, then transplant outdoors May 7 – May 14. Across the state, the outdoor planting window starts as early as Apr 26 in Kenosha and as late as May 18 in Merrill.

Method Start indoors, then transplant
Days to maturity 50–65 days

Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.

Cucumbers Planting Dates by City

CityStart indoorsDirect sowTransplant
MilwaukeeMar 29 – Apr 5May 3 – May 10May 3 – May 10
MadisonApr 3 – Apr 10May 8 – May 15May 8 – May 15
Green BayApr 9 – Apr 16May 14 – May 21May 14 – May 21
KenoshaMar 22 – Mar 29Apr 26 – May 3Apr 26 – May 3
RacineMar 23 – Mar 30Apr 27 – May 4Apr 27 – May 4
AppletonApr 6 – Apr 13May 11 – May 18May 11 – May 18
WaukeshaApr 3 – Apr 10May 8 – May 15May 8 – May 15
Eau ClaireMar 27 – Apr 3May 1 – May 8May 1 – May 8
OshkoshMar 27 – Apr 3May 1 – May 8May 1 – May 8
JanesvilleMar 29 – Apr 5May 3 – May 10May 3 – May 10
West AllisMar 29 – Apr 5May 3 – May 10May 3 – May 10
La CrosseMar 30 – Apr 6May 4 – May 11May 4 – May 11
North La CrosseMar 26 – Apr 2Apr 30 – May 7Apr 30 – May 7
SheboyganMar 28 – Apr 4May 2 – May 9May 2 – May 9
WauwatosaMar 29 – Apr 5May 3 – May 10May 3 – May 10
Fond du LacMar 30 – Apr 6May 4 – May 11May 4 – May 11
New BerlinApr 5 – Apr 12May 10 – May 17May 10 – May 17
WausauApr 8 – Apr 15May 13 – May 20May 13 – May 20
BrookfieldApr 2 – Apr 9May 7 – May 14May 7 – May 14
GreenfieldApr 5 – Apr 12May 10 – May 17May 10 – May 17
BeloitApr 3 – Apr 10May 8 – May 15May 8 – May 15
FranklinApr 5 – Apr 12May 10 – May 17May 10 – May 17
Menomonee FallsApr 8 – Apr 15May 13 – May 20May 13 – May 20
Oak CreekMar 25 – Apr 1Apr 29 – May 6Apr 29 – May 6
ManitowocApr 2 – Apr 9May 7 – May 14May 7 – May 14
Sun PrairieApr 3 – Apr 10May 8 – May 15May 8 – May 15
West BendApr 3 – Apr 10May 8 – May 15May 8 – May 15
FitchburgApr 3 – Apr 10May 8 – May 15May 8 – May 15
Stevens PointApr 6 – Apr 13May 11 – May 18May 11 – May 18
SuperiorApr 8 – Apr 15May 13 – May 20May 13 – May 20

Showing the 30 most populous of 96 Wisconsin cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Wisconsin cities.

Frequently Asked Questions

When should I plant cucumbers in Wisconsin?

In a typical Wisconsin location, start seeds indoors Apr 2 – Apr 9, then sow outdoors May 7 – May 14, then transplant outdoors May 7 – May 14. Across the state, the outdoor planting window starts as early as Apr 26 in Kenosha and as late as May 18 in Merrill.

When is the last frost in Wisconsin?

The average last spring frost in Wisconsin ranges from April 19 in Kenosha to May 11 in Merrill, based on NOAA 1991–2020 climate normals.

How long do cucumbers take to grow?

Cucumbers typically take 50–65 days from planting to harvest. Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.

Other Crops in Wisconsin

When to plant cucumbers in other states

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