Mississippi · zones 8a–9a
When to plant tomatoes in Mississippi.
Sow or transplant between Mar 20 to May 20 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
Tomatoes dates for a typical Mississippi season.
1 · Start indoors
Feb 6 to Apr 8
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Mar 20 to May 20
Keyed to the ~Mar 13 last frost. Sow 0.25" deep, 24" apart.
Harvest
~73 days later
~12 lb per plant over ~8 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.