When to plant bush bean in Michigan
Michigan spans USDA zones 4b–6b, so the right time to plant bush bean shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 26 in Port Huron to May 26 in Cadillac — below are local dates for 101 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Detroit | 6b | April 27 | October 25 | May 4 – June 8 |
| Grand Rapids | 6a | May 6 | October 10 | May 13 – June 17 |
| Warren | 6b | April 21 | October 31 | April 28 – June 2 |
| Sterling Heights | 6b | April 30 | October 24 | May 7 – June 11 |
| Ann Arbor | 6a | May 5 | October 10 | May 12 – June 16 |
| Lansing | 6a | May 1 | October 13 | May 8 – June 12 |
| Dearborn | 6b | May 1 | October 15 | May 8 – June 12 |
| Livonia | 6b | May 1 | October 17 | May 8 – June 12 |
Bush Bean in Michigan: FAQ
When can I plant bush bean in Michigan?
Across Michigan, the time to direct-sow bush bean spans roughly April 26 in Port Huron to May 26 in Cadillac, each following that city's local frost dates.
Does the bush bean planting date vary across Michigan?
Yes. Michigan publishes 101 cities with their own frost dates, so the right bush bean 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 bush bean take to grow in Michigan?
Bush Bean takes about 50–60 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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