When to Plant Spinach in South Dakota
In a typical South Dakota location, sow outdoors Mar 25 – Apr 8. Across the state, the outdoor planting window starts as early as Mar 15 in Tea and as late as Mar 31 in Ellsworth Air Force Base. For a fall crop, plant around Aug 8 – Aug 22.
Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Spinach Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Sioux Falls | Mar 20 – Apr 3 | Aug 11 – Aug 25 |
| Rapid City | Mar 22 – Apr 5 | Aug 13 – Aug 27 |
| Aberdeen | Mar 27 – Apr 10 | Aug 4 – Aug 18 |
| Brookings | Mar 25 – Apr 8 | Aug 6 – Aug 20 |
| Watertown | Mar 26 – Apr 9 | Aug 5 – Aug 19 |
| Mitchell | Mar 21 – Apr 4 | Aug 11 – Aug 25 |
| Yankton | Mar 16 – Mar 30 | Aug 16 – Aug 30 |
| Pierre | Mar 25 – Apr 8 | Aug 8 – Aug 22 |
| Huron | Mar 25 – Apr 8 | Aug 7 – Aug 21 |
| Spearfish | Mar 31 – Apr 14 | Aug 7 – Aug 21 |
| Vermillion | Mar 22 – Apr 5 | Aug 8 – Aug 22 |
| Brandon | Mar 20 – Apr 3 | Aug 11 – Aug 25 |
| Box Elder | Mar 31 – Apr 14 | Aug 6 – Aug 20 |
| Rapid Valley | Mar 22 – Apr 5 | Aug 13 – Aug 27 |
| Ellsworth Air Force Base | Mar 31 – Apr 14 | Aug 6 – Aug 20 |
| Madison | Mar 24 – Apr 7 | Aug 5 – Aug 19 |
| Sturgis | Mar 27 – Apr 10 | Aug 8 – Aug 22 |
| Belle Fourche | Mar 29 – Apr 12 | Aug 5 – Aug 19 |
| Harrisburg | Mar 21 – Apr 4 | Aug 7 – Aug 21 |
| Tea | Mar 15 – Mar 29 | Aug 18 – Sep 1 |
Showing the 20 most populous of 20 South Dakota cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all South Dakota cities.
Frequently Asked Questions
When should I plant spinach in South Dakota?
In a typical South Dakota location, sow outdoors Mar 25 – Apr 8. Across the state, the outdoor planting window starts as early as Mar 15 in Tea and as late as Mar 31 in Ellsworth Air Force Base. For a fall crop, plant around Aug 8 – Aug 22.
When is the last frost in South Dakota?
The average last spring frost in South Dakota ranges from April 26 in Tea to May 12 in Ellsworth Air Force Base, based on NOAA 1991–2020 climate normals.
How long do spinach take to grow?
Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Other Crops in South Dakota
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant spinach in other states