When to Plant Potatoes in Connecticut
In Connecticut, the time to plant potatoes outside runs from Mar 15 – Mar 29 in Bridgeport to Apr 17 – May 1 in Torrington. In Bridgeport, it's Mar 15 – Mar 29. The average last spring frost differs by about 5 weeks across the state (Apr 5 in Bridgeport, May 8 in Torrington), so use the dates for the town nearest you.
Plant seed potatoes a few weeks before the last frost; cover any shoots if a late frost threatens.
- Plant outside: 1–3 weeks before the last frost.
Potatoes planting dates in Connecticut by city
| City | Zone | Plant outside |
|---|---|---|
| Ansonia | 6b | Apr 4 – Apr 18 |
| Bridgeport | 7a | Mar 15 – Mar 29 |
| Bristol | 6b | Apr 4 – Apr 18 |
| Danbury | 6b | Apr 10 – Apr 24 |
| Derby | 6b | Apr 4 – Apr 18 |
| Groton | 7a | Mar 26 – Apr 9 |
| Hartford | 6b | Mar 27 – Apr 10 |
| Meriden | 6b | Apr 5 – Apr 19 |
| Middletown | 6b | Apr 5 – Apr 19 |
| Milford city | 7a | Mar 15 – Mar 29 |
| Naugatuck | 6b | Mar 28 – Apr 11 |
| New Britain | 6b | Mar 27 – Apr 10 |
| New Haven | 7a | Mar 27 – Apr 10 |
| New London | 7a | Mar 26 – Apr 9 |
| Norwalk | 7a | Mar 27 – Apr 10 |
| Norwich | 6b | Mar 24 – Apr 7 |
| Shelton | 6b | Apr 4 – Apr 18 |
| Stamford | 7a | Mar 27 – Apr 10 |
| Torrington | 6a | Apr 17 – May 1 |
| Waterbury | 6b | Apr 5 – Apr 19 |
| West Haven | 7a | Mar 27 – Apr 10 |
Calculated from each town's average (50%) frost dates, from the nearest NOAA station (1991–2020). Typical dates for the 2027 planting season, based on NOAA's 1991–2020 averages. They are long-term odds, not a forecast: always check your local forecast before planting. Zones: 2023 USDA Plant Hardiness Zone Map (USDA-ARS and Oregon State University). Not the official map; see planthardiness.ars.usda.gov.
See all frost dates in Connecticut, or the general guide to when to plant potatoes.
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