When to plant edamame in Wyoming
Wyoming spans USDA zones 4a–5b, so the right time to plant edamame shifts by weeks across the state. The window to sow seed directly outdoors runs from about May 17 in Casper to June 27 in Jackson — below are local dates for 11 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Cheyenne | 5b | May 14 | October 1 | May 21 – June 11 |
| Casper | 5a | May 10 | September 29 | May 17 – June 7 |
| Gillette | 4b | May 15 | October 1 | May 22 – June 12 |
| Laramie | 4a | June 7 | September 4 | June 14 – July 5 |
| Rock Springs | 5a | May 24 | September 24 | May 31 – June 21 |
| Sheridan | 5a | May 21 | September 23 | May 28 – June 18 |
| Evanston | 5a | June 12 | September 12 | June 19 – July 10 |
| Green River | 5a | May 24 | September 22 | May 31 – June 21 |
Edamame in Wyoming: FAQ
When can I plant edamame in Wyoming?
Across Wyoming, the time to direct-sow edamame spans roughly May 17 in Casper to June 27 in Jackson, each following that city's local frost dates.
Does the edamame planting date vary across Wyoming?
Yes. Wyoming publishes 11 cities with their own frost dates, so the right edamame 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 edamame take to grow in Wyoming?
Edamame takes about 75–95 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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