When to plant Leeks in Indiana
In spring, from Feb 15 – Mar 15 in Clarksville to Apr 1 – May 1 in West Lafayette.
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 |
|---|---|
| Anderson | Mar 15 – Apr 15 |
| Auburn | Apr 1 – May 1 |
| Avon | Mar 1 – Apr 1 |
| Bargersville | Mar 15 – Apr 15 |
| Bedford | Mar 15 – Apr 15 |
| Beech Grove | Mar 15 – Apr 15 |
| Bloomington | Mar 1 – Apr 1 |
| Bluffton | Mar 15 – Apr 15 |
| Brownsburg | Mar 1 – Apr 1 |
| Carmel | Mar 15 – Apr 15 |
| Cedar Lake | Apr 1 – May 1 |
| Chesterton | Mar 15 – Apr 15 |
| Clarksville | Feb 15 – Mar 15 |
| Columbia City | Apr 1 – May 1 |
| Columbus | Mar 1 – Apr 1 |
| Connersville | Apr 1 – May 1 |
| Crawfordsville | Apr 1 – May 1 |
| Crown Point | Apr 1 – May 1 |
| Danville | Mar 1 – Apr 1 |
| Decatur | Mar 15 – Apr 15 |
| Dyer | Mar 15 – Apr 15 |
| East Chicago | Mar 15 – Apr 15 |
| Elkhart | Apr 1 – May 1 |
| Evansville | Feb 15 – Mar 15 |
| Fishers | Mar 15 – Apr 15 |
| Fort Wayne | Mar 15 – Apr 15 |
| Frankfort | Mar 15 – Apr 15 |
| Franklin | Mar 15 – Apr 15 |
| Gary | Mar 15 – Apr 15 |
| Goshen | Apr 1 – May 1 |
| Greenfield | Mar 15 – Apr 15 |
| Greensburg | Mar 1 – Apr 1 |
| Greenwood | Mar 15 – Apr 15 |
| Griffith | Mar 15 – Apr 15 |
| Hammond | Mar 15 – Apr 15 |
| Highland | Mar 15 – Apr 15 |
| Hobart | Mar 15 – Apr 15 |
| Huntertown | Apr 1 – May 1 |
| Huntington | Apr 1 – May 1 |
| Indianapolis | Mar 15 – Apr 15 |
| Jasper | Mar 1 – Apr 1 |
| Jeffersonville | Feb 15 – Mar 15 |
| Kendallville | Apr 1 – May 1 |
| Kokomo | Apr 1 – May 1 |
| La Porte | Mar 15 – Apr 15 |
| Lafayette | Apr 1 – May 1 |
| Lake Station | Mar 15 – Apr 15 |
| Lawrence | Mar 15 – Apr 15 |
| Lebanon | Mar 15 – Apr 15 |
| Logansport | Mar 15 – Apr 15 |
| Lowell | Apr 1 – May 1 |
| Madison | Mar 1 – Apr 1 |
| Marion | Apr 1 – May 1 |
| Martinsville | Mar 15 – Apr 15 |
| McCordsville | Mar 15 – Apr 15 |
| Merrillville | Mar 15 – Apr 15 |
| Michigan City | Mar 15 – Apr 15 |
| Mishawaka | Mar 15 – Apr 15 |
| Mooresville | Mar 1 – Apr 1 |
| Muncie | Mar 15 – Apr 15 |
| Munster | Mar 15 – Apr 15 |
| New Albany | Feb 15 – Mar 15 |
| New Castle | Apr 1 – May 1 |
| New Haven | Apr 1 – May 1 |
| Noblesville | Mar 15 – Apr 15 |
| Peru | Mar 15 – Apr 15 |
| Plainfield | Mar 1 – Apr 1 |
| Plymouth | Mar 15 – Apr 15 |
| Portage | Mar 15 – Apr 15 |
| Richmond | Mar 15 – Apr 15 |
| Schererville | Mar 15 – Apr 15 |
| Sellersburg | Feb 15 – Mar 15 |
| Seymour | Mar 15 – Apr 15 |
| Shelbyville | Mar 15 – Apr 15 |
| South Bend | Mar 15 – Apr 15 |
| Speedway | Mar 1 – Apr 1 |
| St. John | Mar 15 – Apr 15 |
| Terre Haute | Mar 1 – Apr 1 |
| Valparaiso | Mar 15 – Apr 15 |
| Vincennes | Mar 1 – Apr 1 |
| Wabash | Mar 15 – Apr 15 |
| Warsaw | Apr 1 – May 1 |
| Washington | Mar 1 – Apr 1 |
| West Lafayette | Apr 1 – May 1 |
| Westfield | Mar 15 – Apr 15 |
| Whitestown | Mar 15 – Apr 15 |
| Yorktown | Mar 15 – Apr 15 |
| Zionsville | Mar 15 – Apr 15 |
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.