When to plant Onions in Minnesota
In spring, from Mar 15 – Apr 10 in Bloomington to May 10 – June 10 in Hibbing.
In fall, May 1 – June 10 in Hibbing.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Albert Lea | Apr 1 – May 1 | Spring-planted |
| Alexandria | Apr 1 – May 1 | Spring-planted |
| Andover | Apr 1 – May 1 | Spring-planted |
| Anoka | Apr 1 – May 1 | Spring-planted |
| Apple Valley | Apr 1 – May 1 | Spring-planted |
| Austin | Apr 1 – May 1 | Spring-planted |
| Bemidji | Apr 20 – May 15 | Spring-planted |
| Big Lake | Apr 1 – May 1 | Spring-planted |
| Blaine | Apr 1 – May 1 | Spring-planted |
| Bloomington | Mar 15 – Apr 10 | Spring-planted |
| Brainerd | Apr 10 – May 1 | Spring-planted |
| Brooklyn Center | Apr 1 – May 1 | Spring-planted |
| Brooklyn Park | Apr 1 – May 1 | Spring-planted |
| Buffalo | Apr 1 – May 1 | Spring-planted |
| Burnsville | Apr 1 – May 1 | Spring-planted |
| Cambridge | Apr 1 – May 1 | Spring-planted |
| Champlin | Apr 1 – May 1 | Spring-planted |
| Chanhassen | Apr 1 – May 1 | Spring-planted |
| Chaska | Apr 1 – May 1 | Spring-planted |
| Cloquet | May 1 – 30 | Spring-planted |
| Columbia Heights | Mar 15 – Apr 10 | Spring-planted |
| Coon Rapids | Apr 1 – May 1 | Spring-planted |
| Cottage Grove | Mar 15 – Apr 10 | Spring-planted |
| Crystal | Apr 1 – May 1 | Spring-planted |
| Dayton | Apr 1 – May 1 | Spring-planted |
| Detroit Lakes | Apr 10 – May 1 | Spring-planted |
| Duluth | Apr 10 – May 1 | Spring-planted |
| Eagan | Mar 15 – Apr 10 | Spring-planted |
| East Bethel | Apr 1 – May 1 | Spring-planted |
| Eden Prairie | Mar 15 – Apr 10 | Spring-planted |
| Edina | Mar 15 – Apr 10 | Spring-planted |
| Elk River | Apr 1 – May 1 | Spring-planted |
| Fairmont | Mar 15 – Apr 10 | Spring-planted |
| Faribault | Apr 1 – May 1 | Spring-planted |
| Farmington | Apr 1 – May 1 | Spring-planted |
| Fergus Falls | Apr 1 – May 1 | Spring-planted |
| Forest Lake | Apr 1 – May 1 | Spring-planted |
| Fridley | Apr 1 – May 1 | Spring-planted |
| Golden Valley | Apr 1 – May 1 | Spring-planted |
| Grand Rapids | Apr 20 – May 15 | Spring-planted |
| Ham Lake | Apr 1 – May 1 | Spring-planted |
| Hastings | Mar 15 – Apr 10 | Spring-planted |
| Hermantown | Apr 20 – May 15 | Spring-planted |
| Hibbing | May 10 – June 10 | May 1 – June 10 |
| Hopkins | Apr 1 – May 1 | Spring-planted |
| Hugo | Apr 1 – May 1 | Spring-planted |
| Hutchinson | Apr 1 – May 1 | Spring-planted |
| Inver Grove Heights | Mar 15 – Apr 10 | Spring-planted |
| Lake Elmo | Apr 1 – May 1 | Spring-planted |
| Lakeville | Apr 1 – May 1 | Spring-planted |
| Lino Lakes | Mar 15 – Apr 10 | Spring-planted |
| Little Canada | Mar 15 – Apr 10 | Spring-planted |
| Mankato | Apr 1 – May 1 | Spring-planted |
| Maple Grove | Apr 1 – May 1 | Spring-planted |
| Maplewood | Mar 15 – Apr 10 | Spring-planted |
| Marshall | Apr 1 – May 1 | Spring-planted |
| Mendota Heights | Mar 15 – Apr 10 | Spring-planted |
| Minneapolis | Mar 15 – Apr 10 | Spring-planted |
| Minnetonka | Apr 1 – May 1 | Spring-planted |
| Monticello | Apr 1 – May 1 | Spring-planted |
| Moorhead | Apr 1 – May 1 | Spring-planted |
| Mounds View | Mar 15 – Apr 10 | Spring-planted |
| New Brighton | Apr 1 – May 1 | Spring-planted |
| New Hope | Apr 1 – May 1 | Spring-planted |
| New Ulm | Apr 1 – May 1 | Spring-planted |
| North Branch | Apr 20 – May 15 | Spring-planted |
| North Mankato | Apr 1 – May 1 | Spring-planted |
| North St. Paul | Apr 1 – May 1 | Spring-planted |
| Northfield | Apr 1 – May 1 | Spring-planted |
| Oakdale | Apr 1 – May 1 | Spring-planted |
| Otsego | Apr 1 – May 1 | Spring-planted |
| Owatonna | Apr 1 – May 1 | Spring-planted |
| Plymouth | Apr 1 – May 1 | Spring-planted |
| Prior Lake | Mar 15 – Apr 10 | Spring-planted |
| Ramsey | Apr 1 – May 1 | Spring-planted |
| Red Wing | Mar 15 – Apr 10 | Spring-planted |
| Richfield | Mar 15 – Apr 10 | Spring-planted |
| Robbinsdale | Apr 1 – May 1 | Spring-planted |
| Rochester | Apr 1 – May 1 | Spring-planted |
| Rogers | Apr 1 – May 1 | Spring-planted |
| Rosemount | Apr 1 – May 1 | Spring-planted |
| Roseville | Apr 1 – May 1 | Spring-planted |
| Sartell | Apr 1 – May 1 | Spring-planted |
| Sauk Rapids | Apr 10 – May 1 | Spring-planted |
| Savage | Mar 15 – Apr 10 | Spring-planted |
| Shakopee | Mar 15 – Apr 10 | Spring-planted |
| Shoreview | Mar 15 – Apr 10 | Spring-planted |
| South St. Paul | Mar 15 – Apr 10 | Spring-planted |
| St. Cloud | Apr 10 – May 1 | Spring-planted |
| St. Louis Park | Apr 1 – May 1 | Spring-planted |
| St. Michael | Apr 1 – May 1 | Spring-planted |
| St. Paul | Mar 15 – Apr 10 | Spring-planted |
| St. Peter | Apr 1 – May 1 | Spring-planted |
| Stillwater | Apr 1 – May 1 | Spring-planted |
| Vadnais Heights | Mar 15 – Apr 10 | Spring-planted |
| Victoria | Apr 1 – May 1 | Spring-planted |
| Waconia | Apr 1 – May 1 | Spring-planted |
| West St. Paul | Mar 15 – Apr 10 | Spring-planted |
| White Bear Lake | Mar 15 – Apr 10 | Spring-planted |
| Willmar | Apr 1 – May 1 | Spring-planted |
| Winona | Mar 15 – Apr 10 | Spring-planted |
| Woodbury | Apr 1 – May 1 | Spring-planted |
| Worthington | Apr 1 – May 1 | Spring-planted |
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 onion plants.