Arizona · zones 5b–10a
When to plant garlic in Arizona.
Arizona's window for garlic runs on the fall side of the season. A second, fall sowing fits Oct 15 to Nov 30. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Garlic dates for a typical Arizona season.
Fall round
Oct 15 to Nov 30
Counted back from the ~Nov 15 first frost.
Harvest
~240 days later
~0.2 lb per plant over ~1 weeks.
Arizona spans more than one climate: Zone 9 is the most common zone, but the state runs 5b 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.