When to plant Rhubarb in Maryland
In spring, from Mar 1 – Apr 1 in Aberdeen to Mar 10 – Apr 10 in Westminster.
In fall, from Oct 15 – Dec 1 in Bowie to Nov 1 – Dec 1 in La Plata.
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 |
|---|---|---|
| Aberdeen | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Annapolis | Not listed | Not listed |
| Baltimore | Not listed | Not listed |
| Bel Air | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Bowie | Mar 10 – Apr 10 | Oct 15 – Dec 1Now |
| Cambridge | Not listed | Not listed |
| College Park | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Cumberland | Mar 1 – Apr 1 | Oct 15 – Dec 1Now |
| Easton | Not listed | Not listed |
| Elkton | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Frederick | Not listed | Not listed |
| Gaithersburg | Not listed | Not listed |
| Greenbelt | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Hagerstown | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Havre de Grace | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Hyattsville | Not listed | Not listed |
| La Plata | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Laurel | Mar 1 – Apr 1 | Not listed |
| New Carrollton | Mar 10 – Apr 10 | Oct 15 – Dec 1Now |
| Rockville | Not listed | Not listed |
| Salisbury | Not listed | Not listed |
| Takoma Park | Not listed | Not listed |
| Westminster | Mar 10 – Apr 10 | Oct 15 – Dec 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.