When to Plant Potatoes in Missouri
In Missouri, the time to plant potatoes outside runs from Mar 11 – Mar 25 in St. Louis to Mar 29 – Apr 12 in St. Joseph. In Kansas City, it's Mar 14 – Mar 28. The average last spring frost differs by about 3 weeks across the state (Apr 1 in St. Louis, Apr 19 in St. Joseph), so use the dates for the town nearest you.
Plant seed potatoes a few weeks before the last frost; cover any shoots if a late frost threatens.
- Plant outside: 1–3 weeks before the last frost.
Potatoes planting dates in Missouri by city
| City | Zone | Plant outside |
|---|---|---|
| Arnold | 7a | Mar 19 – Apr 2 |
| Ballwin | 7a | Mar 14 – Mar 28 |
| Belton | 6b | Mar 23 – Apr 6 |
| Blue Springs | 6b | Mar 17 – Mar 31 |
| Cape Girardeau | 7a | Mar 15 – Mar 29 |
| Chesterfield | 7a | Mar 14 – Mar 28 |
| Columbia | 6b | Mar 15 – Mar 29 |
| Creve Coeur | 7a | Mar 14 – Mar 28 |
| Farmington | 6b | Mar 23 – Apr 6 |
| Florissant | 7a | Mar 12 – Mar 26 |
| Gladstone | 6b | Mar 14 – Mar 28 |
| Grandview | 6b | Mar 17 – Mar 31 |
| Hazelwood | 7a | Mar 12 – Mar 26 |
| Independence | 6b | Mar 20 – Apr 3 |
| Jefferson City | 6b | Mar 18 – Apr 1 |
| Joplin | 7a | Mar 19 – Apr 2 |
| Kansas City | 6b | Mar 14 – Mar 28 |
| Kirkwood | 7a | Mar 11 – Mar 25 |
| Lake St. Louis | 6b | Mar 20 – Apr 3 |
| Lee's Summit | 6b | Mar 17 – Mar 31 |
| Liberty | 6a | Mar 29 – Apr 12 |
| Maryland Heights | 7a | Mar 14 – Mar 28 |
| Nixa | 6b | Mar 25 – Apr 8 |
| O'Fallon | 6b | Mar 20 – Apr 3 |
| Ozark | 6b | Mar 25 – Apr 8 |
| Raymore | 6b | Mar 23 – Apr 6 |
| Raytown | 6b | Mar 17 – Mar 31 |
| Republic | 6b | Mar 19 – Apr 2 |
| Rolla | 6b | Mar 15 – Mar 29 |
| Sedalia | 6b | Mar 28 – Apr 11 |
| Springfield | 7a | Mar 14 – Mar 28 |
| St. Charles | 6b | Mar 18 – Apr 1 |
| St. Joseph | 6a | Mar 29 – Apr 12 |
| St. Louis | 7a | Mar 11 – Mar 25 |
| St. Peters | 6b | Mar 19 – Apr 2 |
| University City | 7a | Mar 11 – Mar 25 |
| Warrensburg | 6b | Mar 24 – Apr 7 |
| Webster Groves | 7a | Mar 11 – Mar 25 |
| Wentzville | 6b | Mar 20 – Apr 3 |
| Wildwood | 7a | Mar 22 – Apr 5 |
Calculated from each town's average (50%) frost dates, from the nearest NOAA station (1991–2020). Typical dates for the 2027 planting season, based on NOAA's 1991–2020 averages. They are long-term odds, not a forecast: always check your local forecast before planting. Zones: 2023 USDA Plant Hardiness Zone Map (USDA-ARS and Oregon State University). Not the official map; see planthardiness.ars.usda.gov.
See all frost dates in Missouri, or the general guide to when to plant potatoes.
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