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Crop dates by placeSweet potatoes Planting Dates by State and Region
Published sweet potatoes planting windows for 4 places, with the source and the caveats you need before you use them.
| Place | Planting | Harvest |
|---|---|---|
| Central Missouri | Planting: planting dates 5/10 to 6/10 (month/day) | |
| Columbia and Snake River valleys, Oregon | Planting: May | |
| North Missouri | Planting: planting dates 5/15 to 6/5 (month/day) | |
| South Missouri | Planting: planting dates 5/1 to 6/15 (month/day) |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Central Missouri planting | Timing in table above | |||||||||||
| Columbia and Snake River valleys, Oregon planting | Planting window in May | |||||||||||
| North Missouri planting | Timing in table above | |||||||||||
| South Missouri 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.
Last reviewed: November 2026. Source: MU Extension G6201 Vegetable Planting Calendar, Table 2.