When to plant celeriac in South Dakota
South Dakota spans USDA zones 4a–5b, so the right time to plant celeriac shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 12 in Sioux Falls to April 28 in Spearfish — below are local dates for 13 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Sioux Falls | 5a | April 26 | October 13 | April 12 – April 26 |
| Rapid City | 5b | May 3 | October 8 | April 19 – May 3 |
| Aberdeen | 4a | May 8 | September 29 | April 24 – May 8 |
| Brookings | 4b | May 6 | October 1 | April 22 – May 6 |
| Watertown | 4b | May 7 | September 30 | April 23 – May 7 |
| Mitchell | 5a | May 2 | October 6 | April 18 – May 2 |
| Yankton | 5a | April 27 | October 11 | April 13 – April 27 |
| Huron | 4b | May 6 | October 2 | April 22 – May 6 |
Celeriac in South Dakota: FAQ
When can I plant celeriac in South Dakota?
Across South Dakota, the time to transplant celeriac spans roughly April 12 in Sioux Falls to April 28 in Spearfish, each following that city's local frost dates.
Does the celeriac planting date vary across South Dakota?
Yes. South Dakota publishes 13 cities with their own frost dates, so the right celeriac planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does celeriac take to grow in South Dakota?
Celeriac takes about 100–120 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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