Delaware · zones 7b–7b
When to plant garlic in Delaware.
Delaware's window for garlic runs on the fall side of the season. A second, fall sowing fits Oct 1 to Nov 16. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Garlic dates for a typical Delaware season.
Fall round
Oct 1 to Nov 16
Counted back from the ~Nov 1 first frost.
Harvest
~240 days later
~0.2 lb per plant over ~1 weeks.
Delaware spans more than one climate: Zone 7 is the most common zone, but the state runs 7b to 7b. 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.