Texas · zones 7a–10a
When to plant sweet potatoes in Texas.
Sow or transplant between Apr 18 to Jun 2 in a typical year, keyed to Texas's median last frost around Mar 12. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Sweet Potatoes dates for a typical Texas season.
1 · Start indoors
Mar 7 to Apr 21
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Apr 18 to Jun 2
Keyed to the ~Mar 12 last frost. Sow 3" deep, 14" apart.
Harvest
~110 days later
~2.5 lb per plant over ~1 weeks.
Texas spans more than one climate: Zone 8 is the most common zone, but the state runs 7a to 10a. 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.