Tennessee · zones 7a–8a
When to plant garlic in Tennessee.
Tennessee's window for garlic runs on the fall side of the season. A second, fall sowing fits Sep 24 to Nov 9. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Garlic dates for a typical Tennessee season.
Fall round
Sep 24 to Nov 9
Counted back from the ~Oct 25 first frost.
Harvest
~240 days later
~0.2 lb per plant over ~1 weeks.
Tennessee spans more than one climate: Zone 7 is the most common zone, but the state runs 7a to 8a. 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.