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