Indiana planting zones & frost dates
USDA hardiness zones in Indiana go from 5b to 7a. Pick your city for its average frost dates and a planting calendar, or search by ZIP code.
| City | Zone | Avg. last frost | Avg. first frost |
|---|---|---|---|
| Anderson | 6a | Apr 19 | Oct 23 |
| Auburn | 6a | May 2 | Oct 10 |
| Avon | 6a | Apr 12 | Oct 29 |
| Bedford | 6b | Apr 20 | Oct 20 |
| Beech Grove | 6b | Apr 20 | Oct 21 |
| Bloomington | 6b | Apr 15 | Oct 26 |
| Bluffton | 6a | Apr 24 | Oct 20 |
| Broad Ripple | 6b | Apr 18 | Oct 26 |
| Brownsburg | 6a | Apr 12 | Oct 29 |
| Carmel | 6a | Apr 21 | Oct 21 |
| Cedar Lake | 5b | Apr 29 | Oct 16 |
| Chesterton | 6a | Apr 22 | Oct 27 |
| Clarksville | 7a | Mar 31 | Nov 9 |
| Columbus | 6b | Apr 11 | Oct 25 |
| Connersville | 6a | Apr 27 | Oct 9 |
| Crawfordsville | 5b | Apr 27 | Oct 12 |
| Crown Point | 5b | Apr 29 | Oct 16 |
| Dyer | 6a | Apr 23 | Oct 20 |
| East Chicago | 6a | Apr 23 | Oct 20 |
| Elkhart | 6a | Apr 26 | Oct 21 |
| Evansville | 7a | Mar 29 | Nov 10 |
| Fairfield Heights | 6a | Apr 12 | Oct 29 |
| Fishers | 6a | Apr 21 | Oct 21 |
| Fort Wayne | 6a | Apr 24 | Oct 21 |
| Frankfort | 6a | Apr 21 | Oct 21 |
| Franklin | 6b | Apr 20 | Oct 19 |
| Gary | 6a | Apr 22 | Oct 27 |
| Goshen | 6a | Apr 26 | Oct 21 |
| Granger | 6a | Apr 23 | Oct 23 |
| Greencastle | 6a | Apr 27 | Oct 15 |
| Greenfield | 6a | Apr 19 | Oct 22 |
| Greensburg | 6b | Apr 15 | Oct 26 |
| Greenwood | 6a | Apr 20 | Oct 21 |
| Griffith | 6a | Apr 23 | Oct 20 |
| Hammond | 6a | Apr 23 | Oct 20 |
| Highland | 6a | Apr 23 | Oct 20 |
| Hobart | 6a | Apr 22 | Oct 27 |
| Huntington | 6a | May 1 | Oct 14 |
| Indianapolis | 6b | Apr 20 | Oct 21 |
| Jasper | 6b | Apr 10 | Nov 1 |
| Jeffersonville | 7a | Mar 31 | Nov 9 |
| Kokomo | 6a | Apr 27 | Oct 18 |
| La Porte | 6a | Apr 19 | Oct 27 |
| Lafayette | 6a | Apr 26 | Oct 18 |
| Lake Station | 6a | Apr 22 | Oct 27 |
| Lawrence | 6a | Apr 18 | Oct 26 |
| Lebanon | 6a | Apr 21 | Oct 20 |
| Logansport | 6a | Apr 20 | Oct 23 |
| Madison | 6b | Apr 11 | Oct 31 |
| Marion | 6a | Apr 26 | Oct 20 |
| Martinsville | 6a | Apr 24 | Oct 15 |
| Merrillville | 6a | Apr 22 | Oct 25 |
| Michigan City | 6a | Apr 19 | Oct 27 |
| Mishawaka | 6a | Apr 23 | Oct 23 |
| Muncie | 6a | Apr 16 | Oct 25 |
| Munster | 6a | Apr 23 | Oct 20 |
| New Albany | 7a | Mar 31 | Nov 9 |
| New Castle | 6a | Apr 27 | Oct 17 |
| New Haven | 6a | Apr 27 | Oct 19 |
| Noblesville | 6a | Apr 21 | Oct 21 |
| North Madison | 6b | Apr 11 | Oct 31 |
| Peru | 6a | Apr 23 | Oct 21 |
| Plainfield | 6a | Apr 12 | Oct 27 |
| Plymouth | 6a | Apr 25 | Oct 21 |
| Portage | 6a | Apr 22 | Oct 27 |
| Richmond | 6a | Apr 24 | Oct 20 |
| Saint John | 6a | Apr 23 | Oct 20 |
| Schererville | 6a | Apr 23 | Oct 20 |
| Seymour | 6b | Apr 16 | Oct 21 |
| Shelbyville | 6a | Apr 17 | Oct 22 |
| South Bend | 6a | Apr 23 | Oct 23 |
| Speedway | 6b | Apr 12 | Oct 29 |
| Terre Haute | 6a | Apr 15 | Oct 19 |
| Valparaiso | 6a | Apr 22 | Oct 25 |
| Vincennes | 6b | Apr 11 | Oct 26 |
| Wabash | 6a | Apr 23 | Oct 21 |
| Warsaw | 6a | Apr 28 | Oct 18 |
| Washington | 6b | Apr 10 | Oct 25 |
| West Lafayette | 6a | Apr 26 | Oct 18 |
| Westfield | 6a | Apr 21 | Oct 21 |
| Yorktown | 6a | Apr 16 | Oct 25 |
| Zionsville | 6a | Apr 21 | Oct 20 |
Cities with 10,000+ residents. Data: USDA Plant Hardiness Zone Map 2023 and NOAA Climate Normals 1991–2020. Sources and method.