When to plant pepper in Wyoming
Wyoming spans USDA zones 4a–5b, so the right time to plant pepper shifts by weeks across the state. The window to transplant seedlings outdoors runs from about May 24 in Casper to July 4 in Jackson — below are local dates for 11 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Cheyenne | 5b | May 14 | October 1 | May 28 – June 4 |
| Casper | 5a | May 10 | September 29 | May 24 – May 31 |
| Gillette | 4b | May 15 | October 1 | May 29 – June 5 |
| Laramie | 4a | June 7 | September 4 | June 21 – June 28 |
| Rock Springs | 5a | May 24 | September 24 | June 7 – June 14 |
| Sheridan | 5a | May 21 | September 23 | June 4 – June 11 |
| Evanston | 5a | June 12 | September 12 | June 26 – July 3 |
| Green River | 5a | May 24 | September 22 | June 7 – June 14 |
Pepper in Wyoming: FAQ
When can I plant pepper in Wyoming?
Across Wyoming, the time to transplant pepper spans roughly May 24 in Casper to July 4 in Jackson, each following that city's local frost dates.
Does the pepper planting date vary across Wyoming?
Yes. Wyoming publishes 11 cities with their own frost dates, so the right pepper 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 pepper take to grow in Wyoming?
Pepper takes about 60–90 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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