Frost dates for New Haven, Connecticut
In a typical year, New Haven’s last spring frost lands around Apr 17 and the first fall frost around Oct 27, a growing season of about 193 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7a.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 2 | Oct 11 |
| 50 percent | Apr 17 | Oct 27 |
| 90 percent | May 1 | Nov 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 New Haven 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 New Haven
- 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 New Haven’s normals for today.
Nearby cities
- Bridgeport, CT (around Apr 5 to Nov 6)
- Hartford, CT (around Apr 17 to Oct 26)
- Stamford, CT (around Apr 17 to Oct 23)
- Yonkers, NY (around Apr 20 to Oct 26)
- Springfield, MA (around May 3 to Oct 8)
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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