When to plant luffa in Michigan
Michigan spans USDA zones 4b–6b, so the right time to plant luffa 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 18 |
| Grand Rapids | 6a | May 6 | October 10 | May 20 – May 27 |
| Warren | 6b | April 21 | October 31 | May 5 – May 12 |
| Sterling Heights | 6b | April 30 | October 24 | May 14 – May 21 |
| Ann Arbor | 6a | May 5 | October 10 | May 19 – May 26 |
| Lansing | 6a | May 1 | October 13 | May 15 – May 22 |
| Dearborn | 6b | May 1 | October 15 | May 15 – May 22 |
| Livonia | 6b | May 1 | October 17 | May 15 – May 22 |
Luffa in Michigan: FAQ
When can I plant luffa in Michigan?
Across Michigan, the time to transplant luffa spans roughly May 3 in Port Huron to June 2 in Cadillac, each following that city's local frost dates.
Does the luffa planting date vary across Michigan?
Yes. Michigan publishes 101 cities with their own frost dates, so the right luffa 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 luffa take to grow in Michigan?
Luffa takes about 150–200 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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