Alabama · zones 7b–9a
When to plant carrots in Alabama.
Sow between Feb 15 to Mar 20 in a typical year, keyed to Alabama's median last frost around Mar 25. A second, fall sowing fits Aug 13 to Sep 8. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Carrots dates for a typical Alabama season.
Direct sow
Feb 15 to Mar 20
Keyed to the ~Mar 25 last frost. Sow 0.25" deep, 2" apart.
Fall round
Aug 13 to Sep 8
Counted back from the ~Nov 8 first frost.
Harvest
~68 days later
~0.2 lb per plant over ~2 weeks.
Alabama spans more than one climate: Zone 8 is the most common zone, but the state runs 7b to 9a. That's why the planner works from your ZIP code's frost dates, not your zone — mountain and coastal gardens in the same state can be three weeks apart.