Frost dates for Lowell, Massachusetts
In a typical year, Lowell’s last spring frost lands around Apr 30 and the first fall frost around Oct 10, a growing season of about 163 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 19 | Sep 30 |
| 50 percent | Apr 30 | Oct 10 |
| 90 percent | May 10 | Oct 24 |
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 Lowell is typically around 71°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Lowell
- Radish (Cherry Belle)
- Chinese cabbage (Bilko)
- Spinach (Space)
- Arugula (Astro)
- Mustard greens (Red Giant)
- Tatsoi (Tatsoi)
- Dill (Bouquet)
- Turnip (Purple Top White Globe)
Timing comes from the same temperature engine the app uses, run against Lowell’s normals for today.
Nearby cities
- Nashua, NH (around Apr 30 to Oct 12)
- Cambridge, MA (around Apr 19 to Oct 23)
- Boston, MA (around Apr 4 to Nov 9)
- Manchester, NH (around Apr 30 to Oct 11)
- Worcester, MA (around Apr 23 to Oct 21)
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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