Planting calendar
When to plant potatoes in South Carolina
South Carolina spans USDA hardiness zones 7a-9a. Average last spring frost: 04-05. This calendar gives you the indoor start, transplant, and direct-sow dates for Solanum tuberosum.
South Carolina planting dates for potatoes
| Phase | Date in South Carolina | Notes |
|---|---|---|
| Direct sow outside | March 22 | 2 weeks before last frost |
Why these dates
Potatoes are cool-season but frost-sensitive. Plant seed potatoes 2-3 weeks before last frost when soil reaches 45-50F at 4 inches deep.
The dates above are anchored to South Carolina's average last spring frost date of 04-05, with offsets standard across university Extension publications. For zone-specific local timing, use the frost date lookup tool with your ZIP code.
More on growing potatoes
The full growing guide for potatoes - varieties, soil, fertilization, pests, harvest, storage - is here: Potatoes growing guide.
More South Carolina planting information
- Full South Carolina planting calendar (all crops + ornamentals)
- Find your exact USDA zone by ZIP
- Look up your average frost dates
- Seed starting timeline calculator