Frost dates for Bangor, Maine
In a typical year, Bangor’s last spring frost lands around May 4 and the first fall frost around Oct 4, a growing season of about 153 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 5a.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 24 | Sep 23 |
| 50 percent | May 4 | Oct 4 |
| 90 percent | May 17 | Oct 21 |
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 Bangor is typically around 68°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Bangor
- Radish (Cherry Belle)
- Spinach (Space)
- Arugula (Astro)
- Mustard greens (Red Giant)
- Tatsoi (Tatsoi)
- Dill (Bouquet)
- Turnip (Purple Top White Globe)
- Cilantro (Santo)
Timing comes from the same temperature engine the app uses, run against Bangor’s normals for today.
Nearby cities
- Lewiston, ME (around May 1 to Oct 10)
- Portland, ME (around Apr 26 to Oct 15)
- South Portland, ME (around Apr 26 to Oct 15)
- Dover, NH (around May 3 to Oct 10)
- Concord, NH (around May 14 to Sep 29)
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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