Maryland Planting Zones
Maryland runs from zone 6a to zone 8a on the 2023 USDA map. Zone 7b is the most common, covering 61% of the state's ZIP codes. Baltimore is 8a, Annapolis is 8a and Cumberland is 7a.
Zones across Maryland
| Zone | Average coldest night | Share of Maryland ZIP codes |
|---|---|---|
| 6a | −10 to −5°F | 1% |
| 6b | −5 to 0°F | 1% |
| 7a | 0 to 5°F | 16% |
| 7b | 5 to 10°F | 61% |
| 8a | 10 to 15°F | 20% |
Planting zone for every city and town in Maryland
Each Maryland town uses the ZIP code at its center. Big towns can cross into the next half-zone, so look up your own ZIP if you're near a line.
| City | Zone | Average coldest night |
|---|---|---|
| Aberdeen | 7b | 5 to 10°F |
| Accident | 6a | −10 to −5°F |
| Annapolis | 8a | 10 to 15°F |
| Baltimore | 8a | 10 to 15°F |
| Barclay | 7b | 5 to 10°F |
| Barnesville | 7a | 0 to 5°F |
| Barton | 6b | −5 to 0°F |
| Bel Air | 7b | 5 to 10°F |
| Berlin | 7b | 5 to 10°F |
| Berwyn Heights | 7b | 5 to 10°F |
| Betterton | 7b | 5 to 10°F |
| Bladensburg | 7b | 5 to 10°F |
| Boonsboro | 7a | 0 to 5°F |
| Bowie | 7b | 5 to 10°F |
| Brentwood | 7b | 5 to 10°F |
| Brookeville | 7b | 5 to 10°F |
| Brookview | 7b | 5 to 10°F |
| Brunswick | 7a | 0 to 5°F |
| Burkittsville | 7a | 0 to 5°F |
| Cambridge | 8a | 10 to 15°F |
| Capitol Heights | 7b | 5 to 10°F |
| Cecilton | 7b | 5 to 10°F |
| Centreville | 7b | 5 to 10°F |
| Charlestown | 7b | 5 to 10°F |
| Chesapeake Beach | 7b | 5 to 10°F |
| Chesapeake City | 7b | 5 to 10°F |
| Chestertown | 7b | 5 to 10°F |
| Cheverly | 7b | 5 to 10°F |
| Chevy Chase | 7b | 5 to 10°F |
| Chevy Chase Section Five | 7b | 5 to 10°F |
| Chevy Chase Section Three | 7b | 5 to 10°F |
| Chevy Chase View | 7b | 5 to 10°F |
| Chevy Chase Village | 7b | 5 to 10°F |
| Church Creek | 8a | 10 to 15°F |
| Church Hill | 7b | 5 to 10°F |
| Clear Spring | 7a | 0 to 5°F |
| College Park | 7b | 5 to 10°F |
| Colmar Manor | 7b | 5 to 10°F |
| Cottage City | 7b | 5 to 10°F |
| Crisfield | 8a | 10 to 15°F |
| Cumberland | 7a | 0 to 5°F |
| Deer Park | 6a | −10 to −5°F |
| Delmar | 7b | 5 to 10°F |
| Denton | 7b | 5 to 10°F |
| District Heights | 7b | 5 to 10°F |
| Eagle Harbor | 7b | 5 to 10°F |
| East New Market | 7b | 5 to 10°F |
| Easton | 8a | 10 to 15°F |
| Edmonston | 7b | 5 to 10°F |
| Eldorado | 7b | 5 to 10°F |
| Elkton | 7b | 5 to 10°F |
| Emmitsburg | 7a | 0 to 5°F |
| Fairmount Heights | 7b | 5 to 10°F |
| Federalsburg | 7b | 5 to 10°F |
| Forest Heights | 8a | 10 to 15°F |
| Frederick | 7b | 5 to 10°F |
| Friendsville | 6a | −10 to −5°F |
| Frostburg | 6b | −5 to 0°F |
| Fruitland | 7b | 5 to 10°F |
| Funkstown | 7a | 0 to 5°F |
| Gaithersburg | 7b | 5 to 10°F |
| Galena | 7b | 5 to 10°F |
| Galestown | 7b | 5 to 10°F |
| Garrett Park | 7b | 5 to 10°F |
| Glen Echo | 7b | 5 to 10°F |
| Glenarden | 7b | 5 to 10°F |
| Goldsboro | 7b | 5 to 10°F |
| Grantsville | 6a | −10 to −5°F |
| Greenbelt | 7b | 5 to 10°F |
| Greensboro | 7b | 5 to 10°F |
| Hagerstown | 7a | 0 to 5°F |
| Hampstead | 7a | 0 to 5°F |
| Hancock | 7a | 0 to 5°F |
| Havre de Grace | 7b | 5 to 10°F |
| Hebron | 7b | 5 to 10°F |
| Henderson | 7b | 5 to 10°F |
| Highland Beach | 8a | 10 to 15°F |
| Hillsboro | 7b | 5 to 10°F |
| Hurlock | 7b | 5 to 10°F |
| Hyattsville | 7b | 5 to 10°F |
| Indian Head | 7b | 5 to 10°F |
| Keedysville | 7a | 0 to 5°F |
| Kensington | 7b | 5 to 10°F |
| Kitzmiller | 6a | −10 to −5°F |
| La Plata | 7b | 5 to 10°F |
| Landover Hills | 7b | 5 to 10°F |
| Laurel | 7b | 5 to 10°F |
| Laytonsville | 7b | 5 to 10°F |
| Leonardtown | 7b | 5 to 10°F |
| Loch Lynn Heights | 6a | −10 to −5°F |
| Lonaconing | 6a | −10 to −5°F |
| Luke | 7a | 0 to 5°F |
| Manchester | 7a | 0 to 5°F |
| Mardela Springs | 7b | 5 to 10°F |
| Martin's Additions | 7b | 5 to 10°F |
| Marydel | 7b | 5 to 10°F |
| Middletown | 7a | 0 to 5°F |
| Midland | 6b | −5 to 0°F |
| Millington | 7b | 5 to 10°F |
| Morningside | 7b | 5 to 10°F |
| Mount Airy | 7a | 0 to 5°F |
| Mount Rainier | 7b | 5 to 10°F |
| Mountain Lake Park | 6a | −10 to −5°F |
| Myersville | 7a | 0 to 5°F |
| New Carrollton | 7b | 5 to 10°F |
| New Market | 7a | 0 to 5°F |
| New Windsor | 7a | 0 to 5°F |
| North Beach | 8a | 10 to 15°F |
| North Brentwood | 7b | 5 to 10°F |
| North Chevy Chase | 7b | 5 to 10°F |
| North East | 7b | 5 to 10°F |
| Oakland | 6a | −10 to −5°F |
| Ocean City | 8a | 10 to 15°F |
| Oxford | 8a | 10 to 15°F |
| Perryville | 7b | 5 to 10°F |
| Pittsville | 7b | 5 to 10°F |
| Pocomoke City | 7b | 5 to 10°F |
| Poolesville | 7b | 5 to 10°F |
| Port Deposit | 7a | 0 to 5°F |
| Port Tobacco Village | 7b | 5 to 10°F |
| Preston | 7b | 5 to 10°F |
| Princess Anne | 7b | 5 to 10°F |
| Queen Anne | 7b | 5 to 10°F |
| Queenstown | 8a | 10 to 15°F |
| Ridgely | 7b | 5 to 10°F |
| Rising Sun | 7a | 0 to 5°F |
| Riverdale Park | 7b | 5 to 10°F |
| Rock Hall | 8a | 10 to 15°F |
| Rockville | 7b | 5 to 10°F |
| Rosemont | 7a | 0 to 5°F |
| Salisbury | 7b | 5 to 10°F |
| Seat Pleasant | 7b | 5 to 10°F |
| Secretary | 7b | 5 to 10°F |
| Sharpsburg | 7a | 0 to 5°F |
| Sharptown | 7b | 5 to 10°F |
| Smithsburg | 7a | 0 to 5°F |
| Snow Hill | 7b | 5 to 10°F |
| Somerset | 7b | 5 to 10°F |
| St. Michaels | 8a | 10 to 15°F |
| Sudlersville | 7b | 5 to 10°F |
| Sykesville | 7a | 0 to 5°F |
| Takoma Park | 7b | 5 to 10°F |
| Taneytown | 7a | 0 to 5°F |
| Templeville | 7b | 5 to 10°F |
| Thurmont | 7a | 0 to 5°F |
| Trappe | 8a | 10 to 15°F |
| Union Bridge | 7a | 0 to 5°F |
| University Park | 7b | 5 to 10°F |
| Upper Marlboro | 7b | 5 to 10°F |
| Vienna | 7b | 5 to 10°F |
| Walkersville | 7a | 0 to 5°F |
| Washington Grove | 7b | 5 to 10°F |
| Westernport | 7a | 0 to 5°F |
| Westminster | 7a | 0 to 5°F |
| Willards | 7b | 5 to 10°F |
| Williamsport | 7a | 0 to 5°F |
| Woodsboro | 7a | 0 to 5°F |
Source: USDA Plant Hardiness Zone Map, 2023, Agricultural Research Service, U.S. Department of Agriculture; ZIP code table from the PRISM Group, Oregon State University (accessed Oct 2026). This list is our own summary, not the official USDA map. See how we calculate.
Frequently asked questions
What planting zone is Maryland?
Maryland spans zones 6a to 8a on the 2023 USDA map, and zone 7b is the most common. Look up your ZIP code for your exact zone.
What zone is Baltimore, MD?
Baltimore is zone 8a, where the coldest night of an average winter falls from 10 to 15°F. Plants rated hardy to zone 8 or colder should survive a typical winter there.
More for Maryland: Maryland climate zones (insulation) · Last frost dates in Maryland · Frost line depth by state