When to plant Leeks in Michigan
In spring, from Mar 15 – Apr 15 in Ferndale to May 1 – 20 in Cadillac.
In fall: USDA's 1967 table lists leeks as generally spring-planted in every place here. Newer advice from your state's extension service may differ.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring |
|---|---|
| Adrian | Apr 1 – May 1 |
| Allen Park | Apr 1 – May 1 |
| Alpena | Apr 1 – May 1 |
| Ann Arbor | Apr 1 – May 1 |
| Auburn Hills | Apr 1 – May 1 |
| Battle Creek | Apr 1 – May 1 |
| Bay City | Apr 1 – May 1 |
| Berkley | Apr 1 – May 1 |
| Beverly Hills | Apr 1 – May 1 |
| Birmingham | Apr 1 – May 1 |
| Burton | Apr 15 – May 15 |
| Cadillac | May 1 – 20 |
| Clawson | Apr 1 – May 1 |
| Coldwater | Apr 1 – May 1 |
| Dearborn | Apr 1 – May 1 |
| Dearborn Heights | Apr 1 – May 1 |
| Detroit | Apr 1 – May 1 |
| East Grand Rapids | Apr 15 – May 15 |
| East Lansing | Apr 1 – May 1 |
| Eastpointe | Apr 1 – May 1 |
| Escanaba | Apr 15 – May 15 |
| Farmington | Apr 1 – May 1 |
| Farmington Hills | Apr 1 – May 1 |
| Fenton | Apr 1 – May 1 |
| Ferndale | Mar 15 – Apr 15 |
| Flat Rock | Apr 1 – May 1 |
| Flint | Apr 1 – May 1 |
| Fraser | Apr 1 – May 1 |
| Garden City | Apr 1 – May 1 |
| Grand Haven | Apr 1 – May 1 |
| Grand Rapids | Apr 15 – May 15 |
| Grandville | Apr 15 – May 15 |
| Grosse Pointe Park | Apr 1 – May 1 |
| Grosse Pointe Woods | Apr 1 – May 1 |
| Hamtramck | Mar 15 – Apr 15 |
| Harper Woods | Apr 1 – May 1 |
| Hazel Park | Mar 15 – Apr 15 |
| Holland | Apr 1 – May 1 |
| Inkster | Mar 15 – Apr 15 |
| Ionia | Apr 1 – May 1 |
| Jackson | Apr 1 – May 1 |
| Kalamazoo | Apr 1 – May 1 |
| Kentwood | Apr 1 – May 1 |
| Lansing | Apr 1 – May 1 |
| Lincoln Park | Apr 1 – May 1 |
| Livonia | Apr 1 – May 1 |
| Madison Heights | Mar 15 – Apr 15 |
| Marquette | Apr 15 – May 15 |
| Melvindale | Apr 1 – May 1 |
| Midland | Apr 1 – May 1 |
| Monroe | Mar 15 – Apr 15 |
| Mount Clemens | Apr 1 – May 1 |
| Mount Pleasant | Apr 1 – May 1 |
| Muskegon | Apr 1 – May 1 |
| New Baltimore | Apr 1 – May 1 |
| Niles | Apr 1 – May 1 |
| Norton Shores | Apr 1 – May 1 |
| Novi | Apr 1 – May 1 |
| Oak Park | Apr 1 – May 1 |
| Owosso | Apr 1 – May 1 |
| Pontiac | Apr 1 – May 1 |
| Port Huron | Mar 15 – Apr 15 |
| Portage | Apr 1 – May 1 |
| Riverview | Mar 15 – Apr 15 |
| Rochester | Apr 1 – May 1 |
| Rochester Hills | Apr 1 – May 1 |
| Romulus | Mar 15 – Apr 15 |
| Roseville | Apr 1 – May 1 |
| Royal Oak | Mar 15 – Apr 15 |
| Saginaw | Apr 1 – May 1 |
| Sault Ste. Marie | Apr 15 – May 15 |
| South Lyon | Apr 1 – May 1 |
| Southfield | Apr 1 – May 1 |
| Southgate | Mar 15 – Apr 15 |
| St. Clair Shores | Apr 1 – May 1 |
| Sterling Heights | Apr 1 – May 1 |
| Sturgis | Apr 1 – May 1 |
| Taylor | Mar 15 – Apr 15 |
| Traverse City | Apr 15 – May 15 |
| Trenton | Mar 15 – Apr 15 |
| Troy | Apr 1 – May 1 |
| Walker | Apr 15 – May 15 |
| Warren | Mar 15 – Apr 15 |
| Wayne | Mar 15 – Apr 15 |
| Westland | Mar 15 – Apr 15 |
| Wixom | Apr 15 – May 15 |
| Woodhaven | Mar 15 – Apr 15 |
| Wyandotte | Apr 1 – May 1 |
| Wyoming | Apr 15 – May 15 |
| Ypsilanti | Apr 1 – May 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for leeks.