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Sunflowers planting and harvest datesSunflowers Planting Dates in Minnesota
Usual sunflowers planting and harvest periods in Minnesota, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.
| Activity | Window | Source | Last verified |
|---|---|---|---|
| Planting | May 7 to Jun 15 usual (most active May 16 to Jun 7) | source | 2026-11-11 |
| Harvest | Sep 26 to Nov 25 usual (most active Oct 4 to Nov 8) | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Planting | Planting window, most active in May | Planting window, most active in June | ||||||||||
| Harvest | Harvest window in September | Harvest window, most active in October | Harvest window, most active in November |
What these dates mean in Minnesota
Planting usually runs about 40 days, from May 7 to Jun 15.
That start date is about 7 days earlier than the middle of the 9 places in this data set that report sunflowers planting dates (May 14).
Harvest usually runs about 61 days, from Sep 26 to Nov 25.
From the start of the planting window to the start of the harvest window is about 142 days in Minnesota, a rough guide to how long the crop occupies the bed or field.
Related guides
Sunflowers dates in other places
Other crops in Minnesota
- Alfalfa hay
- Asparagus (crowns)
- Beans (dry shell)
- Beets
- Broccoli
- Brussels sprouts
- Cabbage (early)
- Cabbage (late)
- Carrots
- Cauliflower
- Celery
- Chinese cabbage
- Collards
- Corn
- Cucumbers
- Eggplant
- Endive
- Head lettuce
- Horseradish
- Kale
- Kohlrabi
- Leaf lettuce
- Lima beans
- Muskmelon
- Okra
- Onion (seeds, transplants and sets)
- Onion (transplants)
- Parsley
- Parsnips
- Peas
- Pepper
- Potatoes
- Pumpkin
- Radish
- Rhubarb
- Rutabaga
- Snap beans (bush and pole)
- Soybeans
- Spinach
- Spring barley
- Spring oats
- Spring wheat
- Squash (summer and winter)
- Sweet corn
- Sweet potatoes (roots)
- Swiss chard
- Tomato
- Tomatoes
- Turnip
- Watermelon
- Winter wheat
Last reviewed: November 2026. Source: USDA NASS, Field Crops Usual Planting and Harvesting Dates (October 2010 edition, copy hosted by Cornell University Mann Library). Dates are the usual start and end of the period when about 5% to 95% of the crop is planted or harvested, from long-run state progress data. They are historic averages, not a forecast.