When to plant cassava in Michigan
Michigan spans USDA zones 4b–6b, so the right time to plant cassava shifts by weeks across the state. The window to transplant seedlings outdoors runs from about May 3 in Port Huron to June 2 in Cadillac — below are local dates for 101 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Detroit | 6b | April 27 | October 25 | May 11 – May 25 |
| Grand Rapids | 6a | May 6 | October 10 | May 20 – June 3 |
| Warren | 6b | April 21 | October 31 | May 5 – May 19 |
| Sterling Heights | 6b | April 30 | October 24 | May 14 – May 28 |
| Ann Arbor | 6a | May 5 | October 10 | May 19 – June 2 |
| Lansing | 6a | May 1 | October 13 | May 15 – May 29 |
| Dearborn | 6b | May 1 | October 15 | May 15 – May 29 |
| Livonia | 6b | May 1 | October 17 | May 15 – May 29 |
Cassava in Michigan: FAQ
When can I plant cassava in Michigan?
Across Michigan, the time to transplant cassava spans roughly May 3 in Port Huron to June 2 in Cadillac, each following that city's local frost dates.
Does the cassava planting date vary across Michigan?
Yes. Michigan publishes 101 cities with their own frost dates, so the right cassava 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 cassava take to grow in Michigan?
Cassava takes about 240–300 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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