Alabama · zones 7b–9a
When to plant potatoes in Alabama.
Sow between Feb 15 to Mar 20 in a typical year, keyed to Alabama's median last frost around Mar 25. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Potatoes dates for a typical Alabama season.
Direct sow
Feb 15 to Mar 20
Keyed to the ~Mar 25 last frost. Sow 4" deep, 12" apart.
Harvest
~90 days later
~3 lb per plant over ~1 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.