When to plant edamame in Wisconsin
Wisconsin spans USDA zones 4b–6a, so the right time to plant edamame shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 26 in Pleasant Prairie to May 18 in River Falls — below are local dates for 97 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Milwaukee | 6a | April 26 | October 18 | May 3 – May 24 |
| Madison | 5a | May 1 | October 9 | May 8 – May 29 |
| Green Bay | 5b | May 7 | October 9 | May 14 – June 4 |
| Kenosha | 5b | April 28 | October 19 | May 5 – May 26 |
| Racine | 6a | April 20 | October 24 | April 27 – May 18 |
| Appleton | 5b | May 4 | October 6 | May 11 – June 1 |
| Waukesha | 5b | May 1 | October 13 | May 8 – May 29 |
| Eau Claire | 4b | April 24 | October 14 | May 1 – May 22 |
Edamame in Wisconsin: FAQ
When can I plant edamame in Wisconsin?
Across Wisconsin, the time to direct-sow edamame spans roughly April 26 in Pleasant Prairie to May 18 in River Falls, each following that city's local frost dates.
Does the edamame planting date vary across Wisconsin?
Yes. Wisconsin publishes 97 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 Wisconsin?
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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