When to plant fennel (bulb) in Connecticut
Connecticut spans USDA zones 6a–7a, so the right time to plant fennel (bulb) shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 22 in Bridgeport to April 24 in Torrington — below are local dates for 35 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Bridgeport | 7a | April 5 | November 6 | March 22 – April 5 |
| Stamford | 7a | April 17 | October 23 | April 3 – April 17 |
| New Haven | 7a | April 17 | October 27 | April 3 – April 17 |
| Hartford | 6b | April 17 | October 26 | April 3 – April 17 |
| Waterbury | 6b | April 26 | October 16 | April 12 – April 26 |
| Norwalk | 7a | April 17 | October 23 | April 3 – April 17 |
| Danbury | 6b | May 1 | October 14 | April 17 – May 1 |
| New Britain | 6b | April 17 | October 26 | April 3 – April 17 |
Fennel (Bulb) in Connecticut: FAQ
When can I plant fennel (bulb) in Connecticut?
Across Connecticut, the time to transplant fennel (bulb) spans roughly March 22 in Bridgeport to April 24 in Torrington, each following that city's local frost dates.
Does the fennel (bulb) planting date vary across Connecticut?
Yes. Connecticut publishes 35 cities with their own frost dates, so the right fennel (bulb) planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does fennel (bulb) take to grow in Connecticut?
Fennel (Bulb) takes about 65–90 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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