Mississippi · zones 8a–9a
When to plant broccoli in Mississippi.
Sow or transplant between Jan 20 to Feb 17 in a typical year, keyed to Mississippi's median last frost around Mar 13. A second, fall sowing fits Jul 26 to Sep 4. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Broccoli dates for a typical Mississippi season.
1 · Start indoors
Dec 9 to Jan 6
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Jan 20 to Feb 17
Keyed to the ~Mar 13 last frost. Sow 0.5" deep, 18" apart.
Fall round
Jul 26 to Sep 4
Counted back from the ~Nov 9 first frost.
Harvest
~60 days later
~1.2 lb per plant over ~3 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.