Mississippi · zones 8a–9a
When to plant potatoes in Mississippi.
Sow between Feb 3 to Mar 8 in a typical year, keyed to Mississippi's median last frost around Mar 13. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Potatoes dates for a typical Mississippi season.
Direct sow
Feb 3 to Mar 8
Keyed to the ~Mar 13 last frost. Sow 4" deep, 12" apart.
Harvest
~90 days later
~3 lb per plant over ~1 weeks.
Mississippi spans more than one climate: Zone 8 is the most common zone, but the state runs 8a 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.