All states › South Dakota
Frost dates and growing zones in South Dakota
Towns covered so far in South Dakota fall in USDA zones 5a, 5b. Median dates mean frost comes later (spring) or earlier (fall) in half of years.
Towns
| Town | Zone | Median last frost | Median first frost |
|---|---|---|---|
| Sioux Falls | 5a | May 1 | Oct 6 |
| Rapid City | 5b | May 10 | Oct 5 |