When to plant zucchini in South Carolina
South Carolina spans USDA zones 8a–9b, so the right time to plant zucchini shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 11 in Charleston to April 27 in Gaffney — below are local dates for 63 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Charleston | 9a | February 4 | December 30 | February 11 – February 18 |
| Columbia | 8b | March 22 | November 15 | March 29 – April 5 |
| North Charleston | 9a | March 7 | November 27 | March 14 – March 21 |
| Mount Pleasant | 9a | March 13 | November 30 | March 20 – March 27 |
| Rock Hill | 8a | March 27 | November 5 | April 3 – April 10 |
| Greenville | 8a | March 28 | November 7 | April 4 – April 11 |
| Summerville | 8b | March 22 | November 12 | March 29 – April 5 |
| Goose Creek | 8b | March 7 | November 27 | March 14 – March 21 |
Zucchini in South Carolina: FAQ
When can I plant zucchini in South Carolina?
Across South Carolina, the time to transplant zucchini spans roughly February 11 in Charleston to April 27 in Gaffney, each following that city's local frost dates.
Does the zucchini planting date vary across South Carolina?
Yes. South Carolina publishes 63 cities with their own frost dates, so the right zucchini planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does zucchini take to grow in South Carolina?
Zucchini takes about 45–60 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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