When to plant winter savory in Michigan
Michigan spans USDA zones 4b–6b, so the right time to plant winter savory shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 19 in Port Huron to May 19 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 | April 27 – May 11 |
| Grand Rapids | 6a | May 6 | October 10 | May 6 – May 20 |
| Warren | 6b | April 21 | October 31 | April 21 – May 5 |
| Sterling Heights | 6b | April 30 | October 24 | April 30 – May 14 |
| Ann Arbor | 6a | May 5 | October 10 | May 5 – May 19 |
| Lansing | 6a | May 1 | October 13 | May 1 – May 15 |
| Dearborn | 6b | May 1 | October 15 | May 1 – May 15 |
| Livonia | 6b | May 1 | October 17 | May 1 – May 15 |
Winter Savory in Michigan: FAQ
When can I plant winter savory in Michigan?
Across Michigan, the time to transplant winter savory spans roughly April 19 in Port Huron to May 19 in Cadillac, each following that city's local frost dates.
Does the winter savory planting date vary across Michigan?
Yes. Michigan publishes 101 cities with their own frost dates, so the right winter savory 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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