When to Plant Sweet Potatoes in Missouri
In a typical Missouri location, plant outdoors Apr 22 – May 6. Across the state, the outdoor planting window starts as early as Apr 9 in Sikeston and as late as May 5 in Kirksville.
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 |
|---|---|
| Kansas City | Apr 18 – May 2 |
| St. Louis | Apr 15 – Apr 29 |
| Springfield | Apr 18 – May 2 |
| Columbia | Apr 19 – May 3 |
| Independence | Apr 24 – May 8 |
| Lee's Summit | Apr 27 – May 11 |
| O'Fallon | Apr 23 – May 7 |
| Saint Joseph | May 3 – May 17 |
| Saint Charles | Apr 22 – May 6 |
| Blue Springs | Apr 21 – May 5 |
| Saint Peters | Apr 23 – May 7 |
| Florissant | Apr 16 – Apr 30 |
| Joplin | Apr 23 – May 7 |
| Chesterfield | Apr 18 – May 2 |
| Jefferson City | Apr 22 – May 6 |
| Cape Girardeau | Apr 19 – May 3 |
| Oakville | Apr 20 – May 4 |
| Wildwood | Apr 26 – May 10 |
| Wentzville | Apr 24 – May 8 |
| University City | Apr 15 – Apr 29 |
| Ballwin | Apr 18 – May 2 |
| Liberty | May 3 – May 17 |
| Raytown | Apr 24 – May 8 |
| Mehlville | Apr 20 – May 4 |
| Kirkwood | Apr 15 – Apr 29 |
| Maryland Heights | Apr 16 – Apr 30 |
| Gladstone | Apr 18 – May 2 |
| Hazelwood | Apr 16 – Apr 30 |
| Grandview | Apr 21 – May 5 |
| Webster Groves | Apr 15 – Apr 29 |
Showing the 30 most populous of 90 Missouri cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Missouri cities.
Frequently Asked Questions
When should I plant sweet potatoes in Missouri?
In a typical Missouri location, plant outdoors Apr 22 – May 6. Across the state, the outdoor planting window starts as early as Apr 9 in Sikeston and as late as May 5 in Kirksville.
When is the last frost in Missouri?
The average last spring frost in Missouri ranges from March 26 in Sikeston to April 21 in Kirksville, 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 Missouri
- 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