When to plant Leeks in Maryland
In spring, from Feb 1 – Mar 1 in Baltimore to Mar 15 – Apr 15 in Westminster.
In fall, Sept 1 – Nov 1 in Baltimore.
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 | Spring-planted |
| Annapolis | Feb 15 – Mar 15 | Spring-planted |
| Baltimore | Feb 1 – Mar 1 | Sept 1 – Nov 1Now |
| Bel Air | Mar 1 – Apr 1 | Spring-planted |
| Bowie | Mar 15 – Apr 15 | Spring-planted |
| Cambridge | Feb 15 – Mar 15 | Spring-planted |
| College Park | Mar 1 – Apr 1 | Spring-planted |
| Cumberland | Mar 1 – Apr 1 | Spring-planted |
| Easton | Feb 15 – Mar 15 | Spring-planted |
| Elkton | Mar 1 – Apr 1 | Spring-planted |
| Frederick | Feb 15 – Mar 15 | Spring-planted |
| Gaithersburg | Feb 15 – Mar 15 | Spring-planted |
| Greenbelt | Mar 1 – Apr 1 | Spring-planted |
| Hagerstown | Mar 1 – Apr 1 | Spring-planted |
| Havre de Grace | Mar 1 – Apr 1 | Spring-planted |
| Hyattsville | Feb 15 – Mar 15 | Spring-planted |
| La Plata | Mar 15 – Apr 15 | Spring-planted |
| Laurel | Mar 1 – Apr 1 | Spring-planted |
| New Carrollton | Mar 15 – Apr 15 | Spring-planted |
| Rockville | Feb 15 – Mar 15 | Spring-planted |
| Salisbury | Feb 15 – Mar 15 | Spring-planted |
| Takoma Park | Feb 15 – Mar 15 | Spring-planted |
| Westminster | Mar 15 – Apr 15 | Spring-planted |
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.