When to Plant Radishes in Minnesota
In a typical Minnesota location, sow outdoors Mar 26 – Apr 9. Across the state, the outdoor planting window starts as early as Mar 17 in Winona and as late as May 1 in Hibbing. For a fall crop, plant around Aug 28 – Sep 11.
Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Radishes Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Minneapolis | Mar 19 – Apr 2 | Sep 4 – Sep 18 |
| Saint Paul | Mar 20 – Apr 3 | Sep 4 – Sep 18 |
| Rochester | Mar 26 – Apr 9 | Aug 25 – Sep 8 |
| Bloomington | Mar 19 – Apr 2 | Sep 6 – Sep 20 |
| Duluth | Apr 9 – Apr 23 | Aug 31 – Sep 14 |
| Brooklyn Park | Mar 26 – Apr 9 | Aug 27 – Sep 10 |
| Plymouth | Mar 25 – Apr 8 | Aug 31 – Sep 14 |
| Maple Grove | Mar 26 – Apr 9 | Aug 27 – Sep 10 |
| Woodbury | Mar 22 – Apr 5 | Aug 31 – Sep 14 |
| Eagan | Mar 19 – Apr 2 | Sep 6 – Sep 20 |
| Saint Cloud | Apr 2 – Apr 16 | Aug 19 – Sep 2 |
| Eden Prairie | Mar 19 – Apr 2 | Sep 2 – Sep 16 |
| West Coon Rapids | Mar 26 – Apr 9 | Aug 27 – Sep 10 |
| Coon Rapids | Mar 26 – Apr 9 | Aug 27 – Sep 10 |
| Blaine | Mar 31 – Apr 14 | Aug 21 – Sep 4 |
| Burnsville | Mar 19 – Apr 2 | Sep 6 – Sep 20 |
| Lakeville | Mar 23 – Apr 6 | Aug 29 – Sep 12 |
| Minnetonka | Mar 26 – Apr 9 | Aug 28 – Sep 11 |
| Apple Valley | Mar 23 – Apr 6 | Aug 29 – Sep 12 |
| Edina | Mar 19 – Apr 2 | Sep 6 – Sep 20 |
| Minnetonka Mills | Mar 25 – Apr 8 | Aug 31 – Sep 14 |
| Saint Louis Park | Mar 25 – Apr 8 | Aug 31 – Sep 14 |
| Moorhead | Mar 31 – Apr 14 | Aug 22 – Sep 5 |
| Mankato | Mar 26 – Apr 9 | Aug 28 – Sep 11 |
| Maplewood | Mar 22 – Apr 5 | Aug 31 – Sep 14 |
| Shakopee | Mar 19 – Apr 2 | Sep 2 – Sep 16 |
| Richfield | Mar 19 – Apr 2 | Sep 6 – Sep 20 |
| Cottage Grove | Mar 19 – Apr 2 | Sep 7 – Sep 21 |
| Roseville | Mar 24 – Apr 7 | Aug 27 – Sep 10 |
| Inver Grove Heights | Mar 20 – Apr 3 | Sep 4 – Sep 18 |
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 radishes in Minnesota?
In a typical Minnesota location, sow outdoors Mar 26 – Apr 9. Across the state, the outdoor planting window starts as early as Mar 17 in Winona and as late as May 1 in Hibbing. For a fall crop, plant around Aug 28 – Sep 11.
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 radishes take to grow?
Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
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
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant radishes in other states