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Crop dates by placeOnion (transplants) Planting Dates by State and Region
Published onion (transplants) planting windows for 1 places, with the source and the caveats you need before you use them.
| Place | Planting | Harvest |
|---|---|---|
| Minnesota | Start indoors: early february (start seeds indoors) |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minnesota start indoors | Start indoors window in February |
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: UMN Extension - Planting the vegetable garden.