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When to plant garlic in Delaware

Delaware spans USDA zones 7a–7b, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about October 2 in Milford to October 7 in Wilmington — below are local dates for 11 cities, each computed from its own frost dates.

Coming up in Wilmingtonfall-plant garlic around October 7.
CityZoneLast frostFirst frostFall-plant
Wilmington7bApril 7November 4October 7 – October 21
Dover7bApril 4November 4October 7 – October 21
Newark7bApril 7November 2October 5 – October 19
Middletown7bApril 7November 2October 5 – October 19
Bear7bApril 7November 2October 5 – October 19
Glasgow7bApril 7November 2October 5 – October 19
Brookside7bApril 7November 2October 5 – October 19
Hockessin7aApril 7November 4October 7 – October 21

Garlic in Delaware: FAQ

When can I plant garlic in Delaware?

Across Delaware, the time to fall-plant garlic spans roughly October 2 in Milford to October 7 in Wilmington, each following that city's local frost dates.

Does the garlic planting date vary across Delaware?

Yes. Delaware publishes 11 cities with their own frost dates, so the right garlic planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

Planting reminders

Never miss a window in your area

An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.

Garlic planting guide →All Delaware cities →Delaware planting calendar →
When to Plant Garlic in Delaware — Frost-Based Dates by City — BlissGarden