When to plant Spinach in Maryland
In spring, from Jan 15 – Mar 15 in Baltimore to Mar 1 – Apr 15 in Westminster.
In fall, from Aug 20 – Sept 10 in Bowie to Oct 1 – Dec 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 | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Annapolis | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Baltimore | Jan 15 – Mar 15 | Oct 1 – Dec 1Now |
| Bel Air | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Bowie | Mar 1 – Apr 15 | Aug 20 – Sept 10 |
| Cambridge | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| College Park | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Cumberland | Feb 15 – Apr 1 | Aug 20 – Sept 10 |
| Easton | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Elkton | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Frederick | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Gaithersburg | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Greenbelt | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Hagerstown | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Havre de Grace | Feb 15 – Apr 1 | Sept 1 – Oct 1 |
| Hyattsville | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| La Plata | Mar 1 – Apr 15 | Sept 1 – Oct 1 |
| Laurel | Feb 15 – Apr 1 | Sept 15 – Nov 1Now |
| New Carrollton | Mar 1 – Apr 15 | Aug 20 – Sept 10 |
| Rockville | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Salisbury | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Takoma Park | Feb 1 – Mar 20 | Sept 15 – Nov 1Now |
| Westminster | Mar 1 – Apr 15 | Aug 20 – Sept 10 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for spinach.