When to plant fennel (bulb) in Alabama
Alabama spans USDA zones 7b–9a, so the right time to plant fennel (bulb) shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 7 in Mobile to March 23 in Jacksonville — below are local dates for 70 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Huntsville | 8a | March 24 | November 8 | March 10 – March 24 |
| Mobile | 9a | February 21 | December 6 | February 7 – February 21 |
| Birmingham | 8a | March 21 | November 11 | March 7 – March 21 |
| Montgomery | 8b | March 4 | November 18 | February 18 – March 4 |
| Tuscaloosa | 8b | March 18 | November 10 | March 4 – March 18 |
| Hoover | 8a | March 19 | November 8 | March 5 – March 19 |
| Auburn | 8b | March 13 | November 17 | February 27 – March 13 |
| Dothan | 9a | March 1 | November 24 | February 15 – March 1 |
Fennel (Bulb) in Alabama: FAQ
When can I plant fennel (bulb) in Alabama?
Across Alabama, the time to transplant fennel (bulb) spans roughly February 7 in Mobile to March 23 in Jacksonville, each following that city's local frost dates.
Does the fennel (bulb) planting date vary across Alabama?
Yes. Alabama publishes 70 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 Alabama?
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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