Frost dates for Cambridge, Massachusetts
In a typical year, Cambridge’s last spring frost lands around Apr 19 and the first fall frost around Oct 23, a growing season of about 187 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 6b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 6 | Oct 8 |
| 50 percent | Apr 19 | Oct 23 |
| 90 percent | May 3 | Nov 5 |
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 Cambridge is typically around 73°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Cambridge
- Spinach (Space)
- Arugula (Astro)
- Mustard greens (Red Giant)
- Tatsoi (Tatsoi)
- Dill (Bouquet)
- Turnip (Purple Top White Globe)
- Cilantro (Santo)
- Sweet alyssum (Snow Crystals)
Timing comes from the same temperature engine the app uses, run against Cambridge’s normals for today.
Nearby cities
- Boston, MA (around Apr 4 to Nov 9)
- Lowell, MA (around Apr 30 to Oct 10)
- Nashua, NH (around Apr 30 to Oct 12)
- Worcester, MA (around Apr 23 to Oct 21)
- Pawtucket, RI (around Apr 11 to Oct 30)
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.
Set up your garden