When to plant Leeks in South Carolina
In spring, from Jan 1 – Feb 1 in Charleston to Mar 15 – Apr 15 in Gaffney.
In fall, from Sept 1 – Nov 1 in Beaufort to Sept 15 – Nov 1 in James Island.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Aiken | Feb 1 – Mar 1 | Spring-planted |
| Anderson | Feb 1 – Mar 1 | Spring-planted |
| Beaufort | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| Bluffton | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| Cayce | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Charleston | Jan 1 – Feb 1 | Sept 15 – Nov 1Now |
| Clemson | Feb 15 – Mar 15 | Spring-planted |
| Columbia | Feb 1 – Mar 1 | Spring-planted |
| Conway | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Easley | Feb 15 – Mar 15 | Spring-planted |
| Florence | Feb 1 – Mar 1 | Spring-planted |
| Forest Acres | Feb 1 – Mar 1 | Sept 1 – Nov 1Now |
| Fort Mill | Feb 15 – Mar 15 | Spring-planted |
| Fountain Inn | Feb 15 – Mar 15 | Spring-planted |
| Gaffney | Mar 15 – Apr 15 | Spring-planted |
| Goose Creek | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Greenville | Feb 15 – Mar 15 | Spring-planted |
| Greenwood | Feb 15 – Mar 15 | Spring-planted |
| Greer | Feb 15 – Mar 15 | Spring-planted |
| Hanahan | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Hardeeville | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| Hilton Head Island | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| Irmo | Mar 1 – Apr 1 | Spring-planted |
| James Island | Jan 1 – Feb 1 | Sept 15 – Nov 1Now |
| Lexington | Feb 1 – Mar 1 | Spring-planted |
| Mauldin | Feb 15 – Mar 15 | Spring-planted |
| Moncks Corner | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Mount Pleasant | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Myrtle Beach | Feb 1 – Mar 1 | Spring-planted |
| Newberry | Feb 15 – Mar 15 | Spring-planted |
| North Augusta | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| North Charleston | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| North Myrtle Beach | Jan 25 – Mar 1 | Sept 1 – Nov 1Now |
| Orangeburg | Jan 25 – Mar 1 | Spring-planted |
| Port Royal | Jan 15 – Feb 15 | Sept 1 – Nov 1Now |
| Rock Hill | Feb 15 – Mar 15 | Spring-planted |
| Simpsonville | Feb 15 – Mar 15 | Spring-planted |
| Spartanburg | Mar 1 – Apr 1 | Spring-planted |
| Summerville | Feb 1 – Mar 1 | Spring-planted |
| Sumter | Feb 1 – Mar 1 | Spring-planted |
| Tega Cay | Feb 15 – Mar 15 | Spring-planted |
| West Columbia | Feb 1 – Mar 1 | Spring-planted |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for leeks.