South Carolina Planting Guide & Growing Season
South Carolina is in USDA hardiness zone 7b-9a with a growing season of 235 days. The average last spring frost is Mar 15 and the average first fall frost is Nov 5.
Growing Conditions in South Carolina
How South Carolina Compares
Compare South Carolina's growing conditions with states that have similar climates.
| State | USDA Zone | Last Frost | First Frost | Season (days) |
|---|---|---|---|---|
| South Carolina (SC) | 7b-9a | Mar 15 | Nov 5 | 235 |
| Alabama (AL) | 7a-8b | Mar 15 | Nov 5 | 235 |
| Alaska (AK) | 1a-7b | May 30 | Sep 5 | 100 |
| Arizona (AZ) | 4b-10b | Mar 1 | Nov 15 | 260 |
| Arkansas (AR) | 6b-8a | Apr 1 | Oct 25 | 210 |
| California (CA) | 4b-11a | Feb 15 | Nov 30 | 290 |
Frequently Asked Questions About Gardening in South Carolina
When should I start seeds indoors in South Carolina?
In South Carolina, the average last frost date is Mar 15. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for South Carolina is 7b-9a, with a growing season of approximately 235 days.
What USDA hardiness zone is South Carolina?
South Carolina falls in USDA hardiness zones 7b-9a. This affects which perennial plants will survive winter and influences optimal planting times.
When is the first frost in South Carolina?
The average first frost date in South Carolina is Nov 5. Plan to harvest cold-sensitive crops before this date or protect them with row covers.
How long is the growing season in South Carolina?
South Carolina has an average growing season of 235 days, from the last frost (Mar 15) to first frost (Nov 5). This long season supports warm-season crops like tomatoes, peppers, and melons.
Plan Your Garden
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