State agricultural overview
South Carolina crop calendar.
Zone 8aRange 7a to 9a220-day seasonLast frost March 30First frost November 5
13 primary crops with planting windows for South Carolina. Calendar timing is anchored to 8a dominant hardiness zone and a 220-day growing season — verify against Clemson Cooperative Extension for variety- and county-specific guidance.
Row Crop · South Carolina
- CornprimarySpring: March 30 – April 20
- CottonprimarySpring: April 13 – May 4
- Grain SorghumprimarySpring: April 20 – May 18
- SoybeansprimarySpring: April 13 – May 4
- Winter WheatprimaryFall: October 29 – November 19
- SunflowerssecondarySpring: April 6 – May 4
Cover Crops · South Carolina
- BrassicasprimaryFall: August 22 – September 6
- Winter RyeprimaryFall: October 29 – November 19
- BuckwheatsecondarySpring: May 25 – June 22
- Cereal OatssecondarySpring: March 23 – April 20Fall: September 6 – September 21
Frost-date reference — South Carolina
Last frost (spring)
March 30
First frost (fall)
November 5
Growing season
220 days
Hardiness zone
8a
Frost dates are NOAA / NCDC climate normals — county-level variation can shift these by 2–4 weeks. The South Carolina extension service publishes county-specific frost data: Clemson Cooperative Extension.
South Carolina soil-temp alerts.
Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears the threshold for your target.