Frost dates for Baltimore, Maryland
In a typical year, Baltimore’s last spring frost lands around Mar 24 and the first fall frost around Nov 21, a growing season of about 242 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 8a.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Mar 8 | Nov 7 |
| 50 percent | Mar 24 | Nov 21 |
| 90 percent | Apr 4 | Dec 8 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Baltimore is typically around 79°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Baltimore
- Cauliflower (Snow Crown)
- Chamomile (German Chamomile)
- Scallion (Evergreen Hardy White)
- Carrot (Danvers 126)
- Calendula (Resina)
- Parsley (Giant of Italy)
- Leek (King Richard)
- Fennel (Solaris)
Timing comes from the same temperature engine the app uses, run against Baltimore’s normals for today.
Nearby cities
- Rockville, MD (around Apr 1 to Nov 6)
- Gaithersburg, MD (around Apr 1 to Nov 6)
- Washington, DC (around Mar 29 to Nov 8)
- Alexandria, VA (around Mar 24 to Nov 18)
- Frederick, MD (around Apr 2 to Nov 6)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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