When to Plant Sweet Potatoes in Minnesota
In a typical Minnesota location, plant outdoors May 14 – May 28. Across the state, the outdoor planting window starts as early as May 5 in Winona and as late as Jun 19 in Hibbing.
Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Sweet Potatoes Planting Dates by City
| City | Plant outdoors |
|---|---|
| Minneapolis | May 7 – May 21 |
| Saint Paul | May 8 – May 22 |
| Rochester | May 14 – May 28 |
| Bloomington | May 7 – May 21 |
| Duluth | May 28 – Jun 11 |
| Brooklyn Park | May 14 – May 28 |
| Plymouth | May 13 – May 27 |
| Maple Grove | May 14 – May 28 |
| Woodbury | May 10 – May 24 |
| Eagan | May 7 – May 21 |
| Saint Cloud | May 21 – Jun 4 |
| Eden Prairie | May 7 – May 21 |
| West Coon Rapids | May 14 – May 28 |
| Coon Rapids | May 14 – May 28 |
| Blaine | May 19 – Jun 2 |
| Burnsville | May 7 – May 21 |
| Lakeville | May 11 – May 25 |
| Minnetonka | May 14 – May 28 |
| Apple Valley | May 11 – May 25 |
| Edina | May 7 – May 21 |
| Minnetonka Mills | May 13 – May 27 |
| Saint Louis Park | May 13 – May 27 |
| Moorhead | May 19 – Jun 2 |
| Mankato | May 14 – May 28 |
| Maplewood | May 10 – May 24 |
| Shakopee | May 7 – May 21 |
| Richfield | May 7 – May 21 |
| Cottage Grove | May 7 – May 21 |
| Roseville | May 12 – May 26 |
| Inver Grove Heights | May 8 – May 22 |
Showing the 30 most populous of 104 Minnesota cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Minnesota cities.
Frequently Asked Questions
When should I plant sweet potatoes in Minnesota?
In a typical Minnesota location, plant outdoors May 14 – May 28. Across the state, the outdoor planting window starts as early as May 5 in Winona and as late as Jun 19 in Hibbing.
When is the last frost in Minnesota?
The average last spring frost in Minnesota ranges from April 21 in Winona to June 5 in Hibbing, based on NOAA 1991–2020 climate normals.
How long do sweet potatoes take to grow?
Sweet Potatoes typically take 90–120 days from planting to harvest. Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Other Crops in Minnesota
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant sweet potatoes in other states