FrostCal

When to Plant Zucchini in South Carolina

In a typical South Carolina location, start seeds indoors Mar 1 – Mar 8, then sow outdoors Mar 29 – Apr 12, then transplant outdoors Mar 29 – Apr 5. Across the state, the outdoor planting window starts as early as Feb 11 in Charleston and as late as Apr 27 in Gaffney.

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
ColumbiaFeb 23 – Mar 2Mar 23 – Apr 6Mar 23 – Mar 30
CharlestonJan 14 – Jan 21Feb 11 – Feb 25Feb 11 – Feb 18
North CharlestonFeb 14 – Feb 21Mar 14 – Mar 28Mar 14 – Mar 21
Mount PleasantFeb 20 – Feb 27Mar 20 – Apr 3Mar 20 – Mar 27
Rock HillMar 6 – Mar 13Apr 3 – Apr 17Apr 3 – Apr 10
GreenvilleMar 7 – Mar 14Apr 4 – Apr 18Apr 4 – Apr 11
SummervilleMar 1 – Mar 8Mar 29 – Apr 12Mar 29 – Apr 5
SumterMar 3 – Mar 10Mar 31 – Apr 14Mar 31 – Apr 7
Goose CreekFeb 14 – Feb 21Mar 14 – Mar 28Mar 14 – Mar 21
Hilton Head IslandFeb 10 – Feb 17Mar 10 – Mar 24Mar 10 – Mar 17
FlorenceFeb 26 – Mar 5Mar 26 – Apr 9Mar 26 – Apr 2
SpartanburgMar 18 – Mar 25Apr 15 – Apr 29Apr 15 – Apr 22
Hilton HeadFeb 10 – Feb 17Mar 10 – Mar 24Mar 10 – Mar 17
Myrtle BeachFeb 28 – Mar 7Mar 28 – Apr 11Mar 28 – Apr 4
AikenFeb 26 – Mar 5Mar 26 – Apr 9Mar 26 – Apr 2
GreerMar 7 – Mar 14Apr 4 – Apr 18Apr 4 – Apr 11
AndersonMar 2 – Mar 9Mar 30 – Apr 13Mar 30 – Apr 6
MauldinMar 7 – Mar 14Apr 4 – Apr 18Apr 4 – Apr 11
GreenwoodMar 5 – Mar 12Apr 2 – Apr 16Apr 2 – Apr 9
North AugustaFeb 6 – Feb 13Mar 6 – Mar 20Mar 6 – Mar 13
TaylorsMar 7 – Mar 14Apr 4 – Apr 18Apr 4 – Apr 11
Saint AndrewsFeb 23 – Mar 2Mar 23 – Apr 6Mar 23 – Mar 30
ConwayFeb 22 – Mar 1Mar 22 – Apr 5Mar 22 – Mar 29
EasleyMar 11 – Mar 18Apr 8 – Apr 22Apr 8 – Apr 15
SimpsonvilleMar 8 – Mar 15Apr 5 – Apr 19Apr 5 – Apr 12
Wade HamptonFeb 23 – Mar 2Mar 23 – Apr 6Mar 23 – Mar 30
LexingtonMar 4 – Mar 11Apr 1 – Apr 15Apr 1 – Apr 8
SocasteeFeb 22 – Mar 1Mar 22 – Apr 5Mar 22 – Mar 29
HanahanFeb 14 – Feb 21Mar 14 – Mar 28Mar 14 – Mar 21
BlufftonFeb 10 – Feb 17Mar 10 – Mar 24Mar 10 – Mar 17

Showing the 30 most populous of 58 South Carolina cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all South Carolina cities.

Frequently Asked Questions

When should I plant zucchini in South Carolina?

In a typical South Carolina location, start seeds indoors Mar 1 – Mar 8, then sow outdoors Mar 29 – Apr 12, then transplant outdoors Mar 29 – Apr 5. Across the state, the outdoor planting window starts as early as Feb 11 in Charleston and as late as Apr 27 in Gaffney.

When is the last frost in South Carolina?

The average last spring frost in South Carolina ranges from February 4 in Charleston to April 20 in Gaffney, 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 South Carolina

When to plant zucchini in other states

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