FrostCal

When to Plant Zucchini in Indiana

In a typical Indiana location, start seeds indoors Apr 1 – Apr 8, then sow outdoors Apr 29 – May 13, then transplant outdoors Apr 29 – May 6. Across the state, the outdoor planting window starts as early as Apr 5 in Evansville and as late as May 9 in Auburn.

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
IndianapolisMar 30 – Apr 6Apr 27 – May 11Apr 27 – May 4
Fort WayneApr 3 – Apr 10May 1 – May 15May 1 – May 8
EvansvilleMar 8 – Mar 15Apr 5 – Apr 19Apr 5 – Apr 12
South BendApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
CarmelMar 31 – Apr 7Apr 28 – May 12Apr 28 – May 5
BloomingtonMar 25 – Apr 1Apr 22 – May 6Apr 22 – Apr 29
HammondApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
GaryApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
FishersMar 31 – Apr 7Apr 28 – May 12Apr 28 – May 5
LafayetteApr 5 – Apr 12May 3 – May 17May 3 – May 10
MuncieMar 26 – Apr 2Apr 23 – May 7Apr 23 – Apr 30
Terre HauteMar 25 – Apr 1Apr 22 – May 6Apr 22 – Apr 29
NoblesvilleMar 31 – Apr 7Apr 28 – May 12Apr 28 – May 5
KokomoApr 6 – Apr 13May 4 – May 18May 4 – May 11
GreenwoodMar 30 – Apr 6Apr 27 – May 11Apr 27 – May 4
AndersonMar 29 – Apr 5Apr 26 – May 10Apr 26 – May 3
ElkhartApr 5 – Apr 12May 3 – May 17May 3 – May 10
MishawakaApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
LawrenceMar 28 – Apr 4Apr 25 – May 9Apr 25 – May 2
JeffersonvilleMar 10 – Mar 17Apr 7 – Apr 21Apr 7 – Apr 14
ColumbusMar 21 – Mar 28Apr 18 – May 2Apr 18 – Apr 25
West LafayetteApr 5 – Apr 12May 3 – May 17May 3 – May 10
PortageApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
WestfieldMar 31 – Apr 7Apr 28 – May 12Apr 28 – May 5
New AlbanyMar 10 – Mar 17Apr 7 – Apr 21Apr 7 – Apr 14
RichmondApr 3 – Apr 10May 1 – May 15May 1 – May 8
MerrillvilleApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
GoshenApr 5 – Apr 12May 3 – May 17May 3 – May 10
ValparaisoApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
Michigan CityMar 29 – Apr 5Apr 26 – May 10Apr 26 – May 3

Showing the 30 most populous of 88 Indiana cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Indiana cities.

Frequently Asked Questions

When should I plant zucchini in Indiana?

In a typical Indiana location, start seeds indoors Apr 1 – Apr 8, then sow outdoors Apr 29 – May 13, then transplant outdoors Apr 29 – May 6. Across the state, the outdoor planting window starts as early as Apr 5 in Evansville and as late as May 9 in Auburn.

When is the last frost in Indiana?

The average last spring frost in Indiana ranges from March 29 in Evansville to May 2 in Auburn, 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 Indiana

When to plant zucchini in other states

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