PlantLegitWhat to plant in October in South Carolina (Coastal Plain and Piedmont)
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Checked October 17, 2026. Informational only, not legal advice.
Crops with an October window
| Crop | Coastal fall | Piedmont fall |
|---|---|---|
| Brussels sprouts | Sept 15 to Oct 15 | Aug 15 to Sept 15 |
| Collards | Aug 1 to Oct 30 | Aug 1 to Sept 30 |
| Garlic | Oct 1 to Nov 30 | Aug 15 to Oct 15 |
| Kale | Aug 1 to Oct 30 | Aug 1 to Sept 30 |
| Lettuce | Sept 5 to Nov 1 | Not recommended |
| Mustard | Aug 1 to Oct 15 | Aug 1 to Sept 15 |
| Onion, sets | Sept 15 to Nov 15 | Sept 15 to Oct 15 |
| Onion, plants | Oct 1 to Nov 15 | Sept 15 to Oct 15 |
| Onion, seeds | Sept 15 to Oct 30 | Not recommended |
| Peas, garden | Aug 15 to Nov 30 | Aug 15 to Oct 30 |
| Rutabaga | Aug 15 to Oct 15 | Jul 15 to Sept 30 |
| Spinach | Aug 15 to Oct 15 | Aug 1 to Sept 30 |
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Get a plan for my backyardSource: Clemson HGIC Planning a Garden, Table 1. The factsheet lists which counties are Piedmont and which are Coastal Plain (for example, Charleston, Beaufort, Horry and Richland are Coastal Plain; Greenville, Spartanburg and York are Piedmont).
Clemson’s October 2026 garden tips
- Plant garlic, onions and shallots now; choose softneck garlic and short-day onions for South Carolina’s mild winters (Coastal Region tips).
- “Plant garlic and onion plants before the middle of the month. Garden peas can be planted until the end of the month.”
- Plant cold-hardy annuals such as pansies, violas, snapdragons, ornamental cabbage and kale.
- Spring bulbs: plant when the soil stays below 60°F, “typically starting in late October.”
- October is a good month to have your soil tested.
Source: Clemson HGIC, This Month in Your Garden: October 2026 (Oct 9, 2026).
Replacing an invasive this fall?
See Bradford (Callery) pear in South Carolina, South Carolina plant laws and Bradford pear removal.
Garlic dates for all eight states we cover: When to plant garlic.