Frost dates for Hartford, Connecticut
In a typical year, Hartford’s last spring frost lands around Apr 17 and the first fall frost around Oct 26, a growing season of about 192 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 1 | Oct 12 |
| 50 percent | Apr 17 | Oct 26 |
| 90 percent | May 1 | Nov 7 |
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 Hartford 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 Hartford
- 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 Hartford’s normals for today.
Nearby cities
- Springfield, MA (around May 3 to Oct 8)
- New Haven, CT (around Apr 17 to Oct 27)
- Bridgeport, CT (around Apr 5 to Nov 6)
- Worcester, MA (around Apr 23 to Oct 21)
- Cranston, 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.
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