When to plant Tomatoes in Wisconsin
In spring, from May 5 – June 10 in Caledonia to May 15 – June 10 in Wisconsin Rapids.
In fall, June 1 – 20.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Allouez | May 10 – June 15 | June 1 – 20 |
| Appleton | May 10 – June 15 | June 1 – 20 |
| Ashwaubenon | May 10 – June 15 | June 1 – 20 |
| Baraboo | May 10 – June 15 | June 1 – 20 |
| Beaver Dam | May 10 – June 15 | June 1 – 20 |
| Bellevue | May 10 – June 15 | June 1 – 20 |
| Beloit | May 10 – June 15 | June 1 – 20 |
| Brookfield | May 10 – June 15 | June 1 – 20 |
| Brown Deer | May 10 – June 15 | June 1 – July 1 |
| Burlington | May 10 – June 15 | June 1 – 20 |
| Caledonia | May 5 – June 10 | June 1 – July 1 |
| Cedarburg | May 5 – June 10 | June 1 – July 1 |
| Chippewa Falls | May 15 – June 10 | June 1 – 20 |
| Cudahy | May 5 – June 10 | June 1 – July 1 |
| De Pere | May 10 – June 15 | June 1 – 20 |
| DeForest | May 10 – June 15 | June 1 – 20 |
| Eau Claire | May 5 – June 10 | June 1 – 20 |
| Elkhorn | May 10 – June 15 | June 1 – 20 |
| Fitchburg | May 10 – June 15 | June 1 – 20 |
| Fond du Lac | May 10 – June 15 | June 1 – July 1 |
| Fort Atkinson | May 10 – June 15 | June 1 – 20 |
| Fox Crossing | May 10 – June 15 | June 1 – 20 |
| Franklin | May 10 – June 15 | June 1 – 20 |
| Germantown | May 15 – June 10 | June 1 – 20 |
| Glendale | May 10 – June 15 | June 1 – July 1 |
| Grafton | May 5 – June 10 | June 1 – July 1 |
| Green Bay | May 15 – June 10 | June 1 – 20 |
| Greendale | May 10 – June 15 | June 1 – 20 |
| Greenfield | May 10 – June 15 | June 1 – 20 |
| Greenville | May 10 – June 15 | June 1 – 20 |
| Harrison | May 10 – June 15 | June 1 – 20 |
| Hartford | May 15 – June 10 | June 1 – 20 |
| Hartland | May 10 – June 15 | June 1 – 20 |
| Hobart | May 10 – June 15 | June 1 – 20 |
| Holmen | May 5 – June 10 | June 1 – July 1 |
| Howard | May 15 – June 10 | June 1 – 20 |
| Hudson | May 5 – June 10 | June 1 – July 1 |
| Janesville | May 10 – June 15 | June 1 – 20 |
| Kaukauna | May 10 – June 15 | June 1 – 20 |
| Kenosha | May 10 – June 15 | June 1 – July 1 |
| La Crosse | May 10 – June 15 | June 1 – 20 |
| Lisbon | May 10 – June 15 | June 1 – July 1 |
| Little Chute | May 10 – June 15 | June 1 – 20 |
| Madison | May 10 – June 15 | June 1 – 20 |
| Manitowoc | May 10 – June 15 | June 1 – July 1 |
| Marinette | May 10 – June 15 | June 1 – 20 |
| Marshfield | May 10 – June 15 | June 1 – 20 |
| Menasha | May 10 – June 15 | June 1 – 20 |
| Menomonee Falls | May 15 – June 10 | June 1 – 20 |
| Menomonie | May 15 – June 10 | June 1 – 20 |
| Mequon | May 15 – June 10 | June 1 – 20 |
| Middleton | May 10 – June 15 | June 1 – 20 |
| Milwaukee | May 10 – June 15 | June 1 – July 1 |
| Monroe | May 10 – June 15 | June 1 – 20 |
| Mount Pleasant | May 5 – June 10 | June 1 – July 1 |
| Muskego | May 10 – June 15 | June 1 – 20 |
| Neenah | May 10 – June 15 | June 1 – 20 |
| New Berlin | May 10 – June 15 | June 1 – 20 |
| New Richmond | May 5 – June 10 | June 1 – July 1 |
| Oak Creek | May 5 – June 10 | June 1 – July 1 |
| Oconomowoc | May 10 – June 15 | June 1 – 20 |
| Onalaska | May 5 – June 10 | June 1 – July 1 |
| Oregon | May 10 – June 15 | June 1 – 20 |
| Oshkosh | May 5 – June 10 | June 1 – July 1 |
| Pewaukee | May 10 – June 15 | June 1 – 20 |
| Platteville | May 10 – June 15 | June 1 – 20 |
| Pleasant Prairie | May 5 – June 10 | June 1 – July 1 |
| Plover | May 10 – June 15 | June 1 – 20 |
| Port Washington | May 10 – June 15 | June 1 – July 1 |
| Racine | May 5 – June 10 | June 1 – July 1 |
| Reedsburg | May 10 – June 15 | June 1 – 20 |
| Richfield | May 10 – June 15 | June 1 – July 1 |
| River Falls | May 15 – June 10 | June 1 – 20 |
| Salem Lakes | May 10 – June 15 | June 1 – 20 |
| Sheboygan | May 5 – June 10 | June 1 – July 1 |
| Shorewood | May 10 – June 15 | June 1 – July 1 |
| South Milwaukee | May 5 – June 10 | June 1 – July 1 |
| Stevens Point | May 10 – June 15 | June 1 – 20 |
| Stoughton | May 10 – June 15 | June 1 – 20 |
| Suamico | May 15 – June 10 | June 1 – 20 |
| Sun Prairie | May 10 – June 15 | June 1 – 20 |
| Superior | May 15 – June 10 | June 1 – 20 |
| Sussex | May 10 – June 15 | June 1 – July 1 |
| Two Rivers | May 10 – June 15 | June 1 – July 1 |
| Verona | May 10 – June 15 | June 1 – 20 |
| Watertown | May 10 – June 15 | June 1 – 20 |
| Waukesha | May 10 – June 15 | June 1 – 20 |
| Waunakee | May 10 – June 15 | June 1 – 20 |
| Waupun | May 10 – June 15 | June 1 – 20 |
| Wausau | May 15 – June 10 | June 1 – 20 |
| Wauwatosa | May 10 – June 15 | June 1 – July 1 |
| West Allis | May 10 – June 15 | June 1 – July 1 |
| West Bend | May 10 – June 15 | June 1 – 20 |
| Weston | May 15 – June 10 | June 1 – 20 |
| Whitefish Bay | May 10 – June 15 | June 1 – July 1 |
| Whitewater | May 10 – June 15 | June 1 – 20 |
| Windsor | May 10 – June 15 | June 1 – 20 |
| Wisconsin Rapids | May 15 – June 10 | June 1 – 20 |
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 tomatoes.