When to plant plum in Michigan
Michigan spans USDA zones 4b–6b, so the right time to plant plum shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 22 in Port Huron to April 21 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 | March 30 – April 13 |
| Grand Rapids | 6a | May 6 | October 10 | April 8 – April 22 |
| Warren | 6b | April 21 | October 31 | March 24 – April 7 |
| Sterling Heights | 6b | April 30 | October 24 | April 2 – April 16 |
| Ann Arbor | 6a | May 5 | October 10 | April 7 – April 21 |
| Lansing | 6a | May 1 | October 13 | April 3 – April 17 |
| Dearborn | 6b | May 1 | October 15 | April 3 – April 17 |
| Livonia | 6b | May 1 | October 17 | April 3 – April 17 |
Plum in Michigan: FAQ
When can I plant plum in Michigan?
Across Michigan, the time to transplant plum spans roughly March 22 in Port Huron to April 21 in Cadillac, each following that city's local frost dates.
Does the plum planting date vary across Michigan?
Yes. Michigan publishes 101 cities with their own frost dates, so the right plum planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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