When to plant garlic in Maryland
Maryland spans USDA zones 7a–8a, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about September 22 in Westminster to October 29 in California — below are local dates for 139 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Fall-plant |
|---|---|---|---|---|
| Baltimore | 8a | March 24 | November 21 | October 24 – November 7 |
| Columbia | 7b | April 5 | November 9 | October 12 – October 26 |
| Germantown | 7b | April 14 | October 29 | October 1 – October 15 |
| Frederick | 7b | April 2 | November 6 | October 9 – October 23 |
| Waldorf | 7b | April 17 | October 27 | September 29 – October 13 |
| Silver Spring | 7b | April 10 | November 1 | October 4 – October 18 |
| Ellicott City | 7b | April 2 | November 7 | October 10 – October 24 |
| Glen Burnie | 7b | April 10 | October 31 | October 3 – October 17 |
Garlic in Maryland: FAQ
When can I plant garlic in Maryland?
Across Maryland, the time to fall-plant garlic spans roughly September 22 in Westminster to October 29 in California, each following that city's local frost dates.
Does the garlic planting date vary across Maryland?
Yes. Maryland publishes 139 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.
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.