Florida · zones 8b–11a
When to plant sweet potatoes in Florida.
Sow or transplant between Mar 12 to Apr 26 in a typical year, keyed to Florida's median last frost around Feb 3. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Sweet Potatoes dates for a typical Florida season.
1 · Start indoors
Jan 29 to Mar 15
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Mar 12 to Apr 26
Keyed to the ~Feb 3 last frost. Sow 3" deep, 14" apart.
Harvest
~110 days later
~2.5 lb per plant over ~1 weeks.
Florida spans more than one climate: Zone 9 is the most common zone, but the state runs 8b to 11a. 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.