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Crop dates by placeSunflower Planting Dates by State and Region
Published sunflower planting windows for 4 places, with the source and the caveats you need before you use them.
| Place | Planting | Harvest |
|---|---|---|
| Central North Carolina | Planting: mid Mar to mid May (direct seed) | |
| Eastern North Carolina | Planting: mid Mar to mid May (direct seed) | |
| Maricopa County, Arizona | Planting: early Feb to end of Jul (seed) | |
| Western North Carolina | Planting: mid Mar to mid May (direct seed) |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Central North Carolina planting | Timing in table above | |||||||||||
| Eastern North Carolina planting | Timing in table above | |||||||||||
| Maricopa County, Arizona planting | Timing in table above | |||||||||||
| Western North Carolina planting | Timing in table above | |||||||||||
Frost-date caveat: ranges blur real differences inside a state or region. Use them to plan, then fit them to your last frost date, soil temperature and field conditions.
Related guides
Last reviewed: November 2026. Source: NC State Extension - Central North Carolina Planting Calendar for Annual Vegetables, Fruits, and Herbs.