Frost dates for Concord, New Hampshire
In a typical year, Concord’s last spring frost lands around May 14 and the first fall frost around Sep 29, a growing season of about 138 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 5b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 30 | Sep 14 |
| 50 percent | May 14 | Sep 29 |
| 90 percent | May 28 | Oct 13 |
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 Concord is typically around 67°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Concord
- Radish (Cherry Belle)
- Bok choy (Toy Choi)
- Spinach (Space)
- Arugula (Astro)
- Lettuce (Black Seeded Simpson)
- Mustard greens (Red Giant)
- Tatsoi (Tatsoi)
- Swiss chard (Fordhook Giant)
Timing comes from the same temperature engine the app uses, run against Concord’s normals for today.
Nearby cities
- Manchester, NH (around Apr 30 to Oct 11)
- Nashua, NH (around Apr 30 to Oct 12)
- Dover, NH (around May 3 to Oct 10)
- Lowell, MA (around Apr 30 to Oct 10)
- Cambridge, MA (around Apr 19 to Oct 23)
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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