State × crop calendar
Buckwheat planting in South Carolina.
- Secondary crop
- Zone 8a
- 220-day season
- Last frost March 30
- Cover Crop
- Frost Sensitive
Buckwheat planting in South Carolina is shaped by the state's 8a dominant hardiness zone, last frost date around March 30, and a 220-day growing season. Buckwheat is grown in South Carolina but is not a dominant crop — works for home gardens, food plots, and some commercial production.
Planting dates on this page are climatological estimates from USDA frost-date norms and zone-typical planting offsets. Verify against Clemson Cooperative Extension for variety- and county-specific guidance.
Planting calendar — 2026
Frost-anchored windows.
Buckwheat · South Carolina · planting calendar
Planting windows shift earlier in southern parts of the state and later in northern parts. Use last frost date in your specific county as the reference.
Planting windows
Earliest → ideal → latest.
Spring planting
BuckwheatEarliest
May 4
Ideal start
May 25
Ideal end
June 22
Latest
July 13
Soil-temp trigger
Wait for 50°F minimum soil temp. Plant summer for 70-90 day cover crop or food plot rotation.Harvest window
Typical start
August 3
Typical end
August 23
Harvest timing varies with planting date and seasonal weather — these dates are typical for the ideal planting window.
Growing notes
Buckwheat can be successfully grown in South Carolina with attention to variety selection. The state's 220-day growing season requires choosing varieties appropriate for the growing window.
Buckwheat is grown in South Carolina but is not a dominant crop — works for home gardens, food plots, and some commercial production.
Agronomy reference
Buckwheat fundamentals.
Soil-temp minimum
50°F
Soil-temp optimum
60–80°F
Days to maturity
70–90
Water (in/wk)
0.5–1"
Soil pH
5.5–7
Nitrogen demand
low
Short-season warm-weather cover crop — frost-sensitive, but matures fast enough to fit summer planting windows after winter wheat harvest.
Common pests to watch
- Aphids
- Japanese beetle (on flowers)
Pest pressure varies by region and year. Confirm current outbreaks with Clemson Cooperative Extension.
Common diseases
- Powdery mildew
- Leaf spot
Resistance varieties shift each year. Check the current variety trial report for your state.
Variety selection
Buckwheat varieties for South Carolina live with your extension.
Variety selection
Variety performance is micro-regional and changes with each year's trial cycle. We don't republish variety lists — instead, we point directly at the source.
Clemson Cooperative Extension →Search the extension site for “buckwheat variety trial” or “recommended buckwheat varieties” to find the current report.
Yield varies significantly by variety, soil, fertility, and management. Consult your state extension service for variety performance trials in your region.
Buckwheat timing. Live alerts.
Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears your target window.
Start free trial →