Maryland 2012 USDA Hardiness Zone Map
View the new 2023 Maryland Hardiness Zone Map
| Zone 5b -15°F to -10°F | Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F |
| Zone 7a 0°F to 5°F | Zone 7b 5°F to 10°F | Zone 8a 10°F to 15°F |
Based on the 2012 USDA Hardiness Zone Map, this interactive version covers the state of Maryland which ranges from USDA Zone 5b to USDA Zone 8a.
2012 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related Maryland Maps:
List of 2012 Hardiness Zones for Cities in Maryland
| Location | Hardiness Zone |
|---|---|
| Abell | Zone 7b: 5°F to 10°F |
| Aberdeen | Zone 7a: 0°F to 5°F |
| Aberdeen Proving Ground | Zone 7a: 0°F to 5°F |
| Abingdon | Zone 7a: 0°F to 5°F |
| Accident | Zone 6a: -10°F to -5°F |
| Accokeek | Zone 7a: 0°F to 5°F |
| Adamstown | Zone 7a: 0°F to 5°F |
| Adelphi | Zone 7a: 0°F to 5°F |
| Algonquin | Zone 7b: 5°F to 10°F |
| Allen | Zone 7b: 5°F to 10°F |
| Andrews AFB | Zone 7a: 0°F to 5°F |
| Annapolis | Zone 7b: 5°F to 10°F |
| Annapolis Junction | Zone 7a: 0°F to 5°F |
| Antietam | Zone 6b: -5°F to 0°F |
| Aquasco | Zone 7a: 0°F to 5°F |
| Arbutus | Zone 7b: 5°F to 10°F |
| Arden on the Severn | Zone 7b: 5°F to 10°F |
| Arnold | Zone 7b: 5°F to 10°F |
| Ashton | Zone 7a: 0°F to 5°F |
| Ashton-Sandy Spring | Zone 7a: 0°F to 5°F |
| Aspen Hill | Zone 7a: 0°F to 5°F |
| Assateague Island Natl Seashore | Zone 7b: 5°F to 10°F |
| Avenue | Zone 7b: 5°F to 10°F |
| Baden | Zone 7a: 0°F to 5°F |
| Bagtown | Zone 7a: 0°F to 5°F |
| Bakersville | Zone 6b: -5°F to 0°F |
| Baldwin | Zone 7a: 0°F to 5°F |
| Ballenger Creek | Zone 7a: 0°F to 5°F |
| Baltimore | Zone 7b: 5°F to 10°F |
| Baltimore Highlands | Zone 7b: 5°F to 10°F |
| Baltimore/BWI Arpt | Zone 7b: 5°F to 10°F |
| Baltimore/Inner Harbor | Zone 7b: 5°F to 10°F |
| Baltimore/Martin Arpt | Zone 7b: 5°F to 10°F |
| Barclay | Zone 7a: 0°F to 5°F |
| Barnesville | Zone 7a: 0°F to 5°F |
| Barrelville | Zone 6b: -5°F to 0°F |
| Barstow | Zone 7b: 5°F to 10°F |
| Barton | Zone 6b: -5°F to 0°F |
| Bartonsville | Zone 7a: 0°F to 5°F |
| Beallsville | Zone 7a: 0°F to 5°F |
| Beaver Creek | Zone 6b: -5°F to 0°F |
| Bel Air | Zone 7a: 0°F to 5°F |
| Bel Air North | Zone 7a: 0°F to 5°F |
| Bel Air South | Zone 7a: 0°F to 5°F |
| Bel Alton | Zone 7a: 0°F to 5°F |
| Belcamp | Zone 7a: 0°F to 5°F |
| Beltsville | Zone 7a: 0°F to 5°F |
| Benedict | Zone 7b: 5°F to 10°F |
| Bennsville | Zone 7a: 0°F to 5°F |
| Benson | Zone 7a: 0°F to 5°F |
| Berlin | Zone 7b: 5°F to 10°F |
| Berwyn Heights | Zone 7a: 0°F to 5°F |
| Bethesda | Zone 7a: 0°F to 5°F |
| Bethlehem | Zone 7b: 5°F to 10°F |
| Betterton | Zone 7a: 0°F to 5°F |
| Bier | Zone 6b: -5°F to 0°F |
| Big Pool | Zone 6b: -5°F to 0°F |
| Big Spring | Zone 6b: -5°F to 0°F |
| Bishopville | Zone 7b: 5°F to 10°F |
| Bittinger | Zone 6a: -10°F to -5°F |
| Bivalve | Zone 7b: 5°F to 10°F |
| Bladensburg | Zone 7a: 0°F to 5°F |
| Bloomington | Zone 6b: -5°F to 0°F |
| Boonsboro | Zone 6b: -5°F to 0°F |
| Boring | Zone 6b: -5°F to 0°F |
| Bowie | Zone 7a: 0°F to 5°F |
| Bowleys Quarters | Zone 7b: 5°F to 10°F |
| Bowling Green | Zone 7a: 0°F to 5°F |
| Bowmans Addition | Zone 6b: -5°F to 0°F |
| Boyds | Zone 7a: 0°F to 5°F |
| Bozman | Zone 7b: 5°F to 10°F |
| Braddock Heights | Zone 7a: 0°F to 5°F |
| Brandywine | Zone 7a: 0°F to 5°F |
| Breathedsville | Zone 6b: -5°F to 0°F |
| Brentwood | Zone 7a: 0°F to 5°F |
| Bridgeport | Zone 6b: -5°F to 0°F |
| Brinklow | Zone 7a: 0°F to 5°F |
| Brock Hall | Zone 7a: 0°F to 5°F |
| Brookeville | Zone 7a: 0°F to 5°F |
| Brooklandville | Zone 7a: 0°F to 5°F |
| Brooklyn | Zone 7b: 5°F to 10°F |
| Brooklyn Park | Zone 7b: 5°F to 10°F |
| Brookmont | Zone 7a: 0°F to 5°F |
| Brookview | Zone 7b: 5°F to 10°F |
| Broomes Island | Zone 7b: 5°F to 10°F |
| Brownsville | Zone 7a: 0°F to 5°F |
| Brunswick | Zone 7a: 0°F to 5°F |
| Bryans Road | Zone 7a: 0°F to 5°F |
| Bryantown | Zone 7a: 0°F to 5°F |
| Buckeystown | Zone 7a: 0°F to 5°F |
| Burkittsville | Zone 7a: 0°F to 5°F |
| Burtonsville | Zone 7a: 0°F to 5°F |
| Bushwood | Zone 7b: 5°F to 10°F |
| Butler | Zone 6b: -5°F to 0°F |
| Butlertown | Zone 7a: 0°F to 5°F |
| Cabin John | Zone 7a: 0°F to 5°F |
| California | Zone 7b: 5°F to 10°F |
| Callaway | Zone 7b: 5°F to 10°F |
| Calvert Beach | Zone 7b: 5°F to 10°F |
| Calverton | Zone 7a: 0°F to 5°F |
| Cambridge | Zone 7b: 5°F to 10°F |
| Camp David | Zone 6b: -5°F to 0°F |
| Camp Springs | Zone 7a: 0°F to 5°F |
| Cape St. Claire | Zone 7b: 5°F to 10°F |
| Capitol Heights | Zone 7a: 0°F to 5°F |
| Carlos | Zone 6a: -10°F to -5°F |
| Carney | Zone 7b: 5°F to 10°F |
| Cascade | Zone 6b: -5°F to 0°F |
| Catonsville | Zone 7a: 0°F to 5°F |
| Cavetown | Zone 6b: -5°F to 0°F |
| Cearfoss | Zone 6b: -5°F to 0°F |
| Cecilton | Zone 7a: 0°F to 5°F |
| Cedarville | Zone 7a: 0°F to 5°F |
| Centreville | Zone 7a: 0°F to 5°F |
| Chance | Zone 7b: 5°F to 10°F |
| Chaptico | Zone 7b: 5°F to 10°F |
| Charlestown | Zone 7a: 0°F to 5°F |
| Charlotte Hall | Zone 7a: 0°F to 5°F |
| Charlton | Zone 6b: -5°F to 0°F |
| Chase | Zone 7b: 5°F to 10°F |
| Cheltenham | Zone 7a: 0°F to 5°F |
| Chesapeake Beach | Zone 7b: 5°F to 10°F |
| Chesapeake City | Zone 7a: 0°F to 5°F |
| Chesapeake Ranch Estates | Zone 7b: 5°F to 10°F |
| Chester | Zone 7b: 5°F to 10°F |
| Chestertown | Zone 7a: 0°F to 5°F |
| Cheverly | Zone 7a: 0°F to 5°F |
| Chevy Chase | Zone 7a: 0°F to 5°F |
| Chevy Chase Section Five | Zone 7a: 0°F to 5°F |
| Chevy Chase Section Three | Zone 7a: 0°F to 5°F |
| Chevy Chase View | Zone 7a: 0°F to 5°F |
| Chevy Chase Village | Zone 7a: 0°F to 5°F |
| Chewsville | Zone 6b: -5°F to 0°F |
| Childs | Zone 7a: 0°F to 5°F |
| Chillum | Zone 7a: 0°F to 5°F |
| Choptank | Zone 7b: 5°F to 10°F |
| Church Creek | Zone 7b: 5°F to 10°F |
| Church Hill | Zone 7a: 0°F to 5°F |
| Churchton | Zone 7b: 5°F to 10°F |
| Churchville | Zone 7a: 0°F to 5°F |
| Claiborne | Zone 7b: 5°F to 10°F |
| Clarksburg | Zone 7a: 0°F to 5°F |
| Clarksville | Zone 7a: 0°F to 5°F |
| Clarysville | Zone 6b: -5°F to 0°F |
| Clear Spring | Zone 6b: -5°F to 0°F |
| Clements | Zone 7b: 5°F to 10°F |
| Clinton | Zone 7a: 0°F to 5°F |
| Clover Hill | Zone 7a: 0°F to 5°F |
| Cloverly | Zone 7a: 0°F to 5°F |
| Cobb Island | Zone 7b: 5°F to 10°F |
| Cockeysville | Zone 7a: 0°F to 5°F |
| Colesville | Zone 7a: 0°F to 5°F |
| College Park | Zone 7a: 0°F to 5°F |
| Colmar Manor | Zone 7a: 0°F to 5°F |
| Colora | Zone 7a: 0°F to 5°F |
| Coltons Point | Zone 7b: 5°F to 10°F |
| Columbia | Zone 7a: 0°F to 5°F |
| Compton | Zone 7b: 5°F to 10°F |
| Conowingo | Zone 7a: 0°F to 5°F |
| Cooksville | Zone 7a: 0°F to 5°F |
| Coral Hills | Zone 7a: 0°F to 5°F |
| Cordova | Zone 7a: 0°F to 5°F |
| Corriganville | Zone 7a: 0°F to 5°F |
| Cottage City | Zone 7a: 0°F to 5°F |
| Crapo | Zone 7b: 5°F to 10°F |
| Crellin | Zone 5b: -15°F to -10°F |
| Cresaptown | Zone 7a: 0°F to 5°F |
| Crisfield | Zone 8a: 10°F to 15°F |
| Crocheron | Zone 7b: 5°F to 10°F |
| Crofton | Zone 7a: 0°F to 5°F |
| Croom | Zone 7a: 0°F to 5°F |
| Crownsville | Zone 7b: 5°F to 10°F |
| Crumpton | Zone 7a: 0°F to 5°F |
| Cumberland | Zone 7a: 0°F to 5°F |
| Curtis Bay | Zone 7b: 5°F to 10°F |
| Damascus | Zone 7a: 0°F to 5°F |
| Dameron | Zone 7b: 5°F to 10°F |
| Dames Quarter | Zone 7b: 5°F to 10°F |
| Danville | Zone 6b: -5°F to 0°F |
| Dargan | Zone 6b: -5°F to 0°F |
| Darlington | Zone 7a: 0°F to 5°F |
| Darnestown | Zone 7a: 0°F to 5°F |
| Davidsonville | Zone 7a: 0°F to 5°F |
| Dawson | Zone 6b: -5°F to 0°F |
| Dayton | Zone 7a: 0°F to 5°F |
| Deal Island | Zone 7b: 5°F to 10°F |
| Deale | Zone 7b: 5°F to 10°F |
| Deer Park | Zone 5b: -15°F to -10°F |
| Delmar | Zone 7b: 5°F to 10°F |
| Denton | Zone 7a: 0°F to 5°F |
| Derwood | Zone 7a: 0°F to 5°F |
| Detmold | Zone 6b: -5°F to 0°F |
| Dickerson | Zone 7a: 0°F to 5°F |
| District Heights | Zone 7a: 0°F to 5°F |
| Dodge Park | Zone 7a: 0°F to 5°F |
| Dowell | Zone 7b: 5°F to 10°F |
| Downsville | Zone 6b: -5°F to 0°F |
| Drayden | Zone 7b: 5°F to 10°F |
| Drum Point | Zone 7b: 5°F to 10°F |
| Dundalk | Zone 7b: 5°F to 10°F |
| Dunkirk | Zone 7a: 0°F to 5°F |
| Dunkirk Town Center | Zone 7a: 0°F to 5°F |
| Eagle Harbor | Zone 7b: 5°F to 10°F |
| Earleville | Zone 7a: 0°F to 5°F |
| East New Market | Zone 7b: 5°F to 10°F |
| East Riverdale | Zone 7a: 0°F to 5°F |
| Easton | Zone 7b: 5°F to 10°F |
| Eckhart Mines | Zone 6b: -5°F to 0°F |
| Eden | Zone 7b: 5°F to 10°F |
| Edesville | Zone 7b: 5°F to 10°F |
| Edgemere | Zone 7b: 5°F to 10°F |
| Edgemont | Zone 6b: -5°F to 0°F |
| Edgewater | Zone 7b: 5°F to 10°F |
| Edgewood | Zone 7a: 0°F to 5°F |
| Edmonston | Zone 7a: 0°F to 5°F |
| Eldersburg | Zone 7a: 0°F to 5°F |
| Eldorado | Zone 7b: 5°F to 10°F |
| Elk Mills | Zone 7a: 0°F to 5°F |
| Elkridge | Zone 7b: 5°F to 10°F |
| Elkton | Zone 7a: 0°F to 5°F |
| Ellerslie | Zone 7a: 0°F to 5°F |
| Ellicott City | Zone 7a: 0°F to 5°F |
| Elliott | Zone 7b: 5°F to 10°F |
| Emmitsburg | Zone 6b: -5°F to 0°F |
| Ernstville | Zone 6b: -5°F to 0°F |
| Essex | Zone 7b: 5°F to 10°F |
| Ewell | Zone 8a: 10°F to 15°F |
| Fairland | Zone 7a: 0°F to 5°F |
| Fairlee | Zone 7a: 0°F to 5°F |
| Fairmount | Zone 7b: 5°F to 10°F |
| Fairmount Heights | Zone 7a: 0°F to 5°F |
| Fairplay | Zone 6b: -5°F to 0°F |
| Fairview | Zone 6b: -5°F to 0°F |
| Fallston | Zone 7a: 0°F to 5°F |
| Faulkner | Zone 7a: 0°F to 5°F |
| Federalsburg | Zone 7a: 0°F to 5°F |
| Ferndale | Zone 7b: 5°F to 10°F |
| Finksburg | Zone 6b: -5°F to 0°F |
| Finzel | Zone 6a: -10°F to -5°F |
| Fishing Creek | Zone 7b: 5°F to 10°F |
| Flintstone | Zone 6b: -5°F to 0°F |
| Forest Glen | Zone 7a: 0°F to 5°F |
| Forest Heights | Zone 7b: 5°F to 10°F |
| Forest Hill | Zone 7a: 0°F to 5°F |
| Forestville | Zone 7a: 0°F to 5°F |
| Fork | Zone 7a: 0°F to 5°F |
| Fort George G Mead Junction | Zone 7a: 0°F to 5°F |
| Fort George G Meade | Zone 7a: 0°F to 5°F |
| Fort Howard | Zone 7b: 5°F to 10°F |
| Fort Ritchie | Zone 6b: -5°F to 0°F |
| Fort Washington | Zone 7b: 5°F to 10°F |
| Fountainhead-Orchard Hills | Zone 6b: -5°F to 0°F |
| Four Corners | Zone 7a: 0°F to 5°F |
| Franklin | Zone 6b: -5°F to 0°F |
| Frederick | Zone 7a: 0°F to 5°F |
| Freeland | Zone 6b: -5°F to 0°F |
| Frenchtown-Rumbly | Zone 8a: 10°F to 15°F |
| Friendly | Zone 7a: 0°F to 5°F |
| Friendship | Zone 7a: 0°F to 5°F |
| Friendship Village | Zone 7a: 0°F to 5°F |
| Friendsville | Zone 6a: -10°F to -5°F |
| Frostburg | Zone 6a: -10°F to -5°F |
| Fruitland | Zone 7b: 5°F to 10°F |
| Fulton | Zone 7a: 0°F to 5°F |
| Funkstown | Zone 6b: -5°F to 0°F |
| Gaithersburg | Zone 7a: 0°F to 5°F |
| Galena | Zone 7a: 0°F to 5°F |
| Galestown | Zone 7b: 5°F to 10°F |
| Galesville | Zone 7b: 5°F to 10°F |
| Gambrills | Zone 7a: 0°F to 5°F |
| Gapland | Zone 7a: 0°F to 5°F |
| Garrett Park | Zone 7a: 0°F to 5°F |
| Garretts Mill | Zone 6b: -5°F to 0°F |
| Garrison | Zone 7a: 0°F to 5°F |
| Georgetown | Zone 7a: 0°F to 5°F |
| Germantown | Zone 7a: 0°F to 5°F |
| Gibson Island | Zone 7b: 5°F to 10°F |
| Gilmore | Zone 6b: -5°F to 0°F |
| Girdletree | Zone 7b: 5°F to 10°F |
| Glassmanor | Zone 7b: 5°F to 10°F |
| Glen Arm | Zone 7a: 0°F to 5°F |
| Glen Burnie | Zone 7b: 5°F to 10°F |
| Glen Echo | Zone 7a: 0°F to 5°F |
| Glen Echo Heights | Zone 7a: 0°F to 5°F |
| Glenarden | Zone 7a: 0°F to 5°F |
| Glenelg | Zone 7a: 0°F to 5°F |
| Glenmont | Zone 7a: 0°F to 5°F |
| Glenn Dale | Zone 7a: 0°F to 5°F |
| Glenwood | Zone 7a: 0°F to 5°F |
| Glyndon | Zone 7a: 0°F to 5°F |
| Goddard | Zone 7a: 0°F to 5°F |
| Golden Beach | Zone 7b: 5°F to 10°F |
| Goldsboro | Zone 7a: 0°F to 5°F |
| Gorman | Zone 5b: -15°F to -10°F |
| Grahamtown | Zone 6b: -5°F to 0°F |
| Grantsville | Zone 5b: -15°F to -10°F |
| Grasonville | Zone 7b: 5°F to 10°F |
| Great Mills | Zone 7b: 5°F to 10°F |
| Greater Upper Marlboro | Zone 7a: 0°F to 5°F |
| Green Haven | Zone 7b: 5°F to 10°F |
| Green Valley | Zone 6b: -5°F to 0°F |
| Greenbelt | Zone 7a: 0°F to 5°F |
| Greensboro | Zone 7a: 0°F to 5°F |
| Greensburg | Zone 6b: -5°F to 0°F |
| Gunpowder | Zone 7b: 5°F to 10°F |
| Gwynn Oak | Zone 7a: 0°F to 5°F |
| Hagerstown | Zone 6b: -5°F to 0°F |
| Halethorpe | Zone 7b: 5°F to 10°F |
| Halfway | Zone 6b: -5°F to 0°F |
| Hampstead | Zone 7a: 0°F to 5°F |
| Hampton | Zone 7a: 0°F to 5°F |
| Hancock | Zone 6b: -5°F to 0°F |
| Hanover | Zone 7a: 0°F to 5°F |
| Harmans | Zone 7a: 0°F to 5°F |
| Harwood | Zone 7a: 0°F to 5°F |
| Havre de Grace | Zone 7a: 0°F to 5°F |
| Hebron | Zone 7b: 5°F to 10°F |
| Helen | Zone 7a: 0°F to 5°F |
| Henderson | Zone 7a: 0°F to 5°F |
| Henryton | Zone 6b: -5°F to 0°F |
| Herald Harbor | Zone 7b: 5°F to 10°F |
| Highfield-Cascade | Zone 6b: -5°F to 0°F |
| Highland | Zone 7a: 0°F to 5°F |
| Highland Beach | Zone 7b: 5°F to 10°F |
| Hillandale | Zone 7a: 0°F to 5°F |
| Hillcrest Heights | Zone 7a: 0°F to 5°F |
| Hillsboro | Zone 7a: 0°F to 5°F |
| Hillsmere Shores | Zone 7b: 5°F to 10°F |
| Hollywood | Zone 7b: 5°F to 10°F |
| Hughesville | Zone 7a: 0°F to 5°F |
| Hunt Valley | Zone 7a: 0°F to 5°F |
| Huntingtown | Zone 7b: 5°F to 10°F |
| Huntingtown Town Center | Zone 7b: 5°F to 10°F |
| Hurlock | Zone 7b: 5°F to 10°F |
| Hutton | Zone 5b: -15°F to -10°F |
| Hyattsville | Zone 7a: 0°F to 5°F |
| Hydes | Zone 7a: 0°F to 5°F |
| Ijamsville | Zone 6b: -5°F to 0°F |
| Ilchester | Zone 7a: 0°F to 5°F |
| Indian Head | Zone 7b: 5°F to 10°F |
| Indian Springs | Zone 6b: -5°F to 0°F |
| Ingleside | Zone 7a: 0°F to 5°F |
| Ironsides | Zone 7a: 0°F to 5°F |
| Issue | Zone 7b: 5°F to 10°F |
| Jarrettsville | Zone 7a: 0°F to 5°F |
| Jefferson | Zone 7a: 0°F to 5°F |
| Jennings | Zone 6a: -10°F to -5°F |
| Jessup | Zone 7a: 0°F to 5°F |
| Jesterville | Zone 7b: 5°F to 10°F |
| Joppa | Zone 7a: 0°F to 5°F |
| Joppatowne | Zone 7a: 0°F to 5°F |
| Jugtown | Zone 6b: -5°F to 0°F |
| Keedysville | Zone 6b: -5°F to 0°F |
| Kemp Mill | Zone 7a: 0°F to 5°F |
| Kennedyville | Zone 7a: 0°F to 5°F |
| Kensington | Zone 7a: 0°F to 5°F |
| Kent Narrows | Zone 7b: 5°F to 10°F |
| Kentland | Zone 7a: 0°F to 5°F |
| Kettering | Zone 7a: 0°F to 5°F |
| Keymar | Zone 6b: -5°F to 0°F |
| Kingstown | Zone 7a: 0°F to 5°F |
| Kingsville | Zone 7a: 0°F to 5°F |
| Kitzmiller | Zone 6a: -10°F to -5°F |
| Klondike | Zone 6a: -10°F to -5°F |
| Knoxville | Zone 7a: 0°F to 5°F |
| La Plata | Zone 7a: 0°F to 5°F |
| La Vale | Zone 7a: 0°F to 5°F |
| Ladiesburg | Zone 6b: -5°F to 0°F |
| Lake Arbor | Zone 7a: 0°F to 5°F |
| Lake Shore | Zone 7b: 5°F to 10°F |
| Landover | Zone 7a: 0°F to 5°F |
| Landover Hills | Zone 7a: 0°F to 5°F |
| Langley Park | Zone 7a: 0°F to 5°F |
| Lanham | Zone 7a: 0°F to 5°F |
| Lansdowne | Zone 7b: 5°F to 10°F |
| Largo | Zone 7a: 0°F to 5°F |
| Laurel | Zone 7a: 0°F to 5°F |
| Lawsonia | Zone 8a: 10°F to 15°F |
| Layhill | Zone 7a: 0°F to 5°F |
| Laytonsville | Zone 7a: 0°F to 5°F |
| Leisure World | Zone 7a: 0°F to 5°F |
| Leitersburg | Zone 6b: -5°F to 0°F |
| Leonardtown | Zone 7b: 5°F to 10°F |
| Lexington Park | Zone 7b: 5°F to 10°F |
| Libertytown | Zone 6b: -5°F to 0°F |
| Lineboro | Zone 6b: -5°F to 0°F |
| Linganore | Zone 6b: -5°F to 0°F |
| Linkwood | Zone 7b: 5°F to 10°F |
| Linthicum | Zone 7b: 5°F to 10°F |
| Linthicum Heights | Zone 7b: 5°F to 10°F |
| Linwood | Zone 6b: -5°F to 0°F |
| Lisbon | Zone 7a: 0°F to 5°F |
| Little Orleans | Zone 6b: -5°F to 0°F |
| Loch Lynn Heights | Zone 5b: -15°F to -10°F |
| Lochearn | Zone 7a: 0°F to 5°F |
| Lonaconing | Zone 6b: -5°F to 0°F |
| Londontowne | Zone 7b: 5°F to 10°F |
| Long Beach | Zone 7b: 5°F to 10°F |
| Long Green | Zone 7a: 0°F to 5°F |
| Long Meadow | Zone 6b: -5°F to 0°F |
| Lothian | Zone 7a: 0°F to 5°F |
| Loveville | Zone 7a: 0°F to 5°F |
| Luke | Zone 6b: -5°F to 0°F |
| Lusby | Zone 7b: 5°F to 10°F |
| Lutherville | Zone 7a: 0°F to 5°F |
| Lutherville-Timonium | Zone 7a: 0°F to 5°F |
| Madison | Zone 7b: 5°F to 10°F |
| Manchester | Zone 7a: 0°F to 5°F |
| Manokin | Zone 7b: 5°F to 10°F |
| Mapleville | Zone 7a: 0°F to 5°F |
| Marbury | Zone 7a: 0°F to 5°F |
| Mardela Springs | Zone 7b: 5°F to 10°F |
| Mariners | Zone 8a: 10°F to 15°F |
| Marlboro Meadows | Zone 7a: 0°F to 5°F |
| Marlow Heights | Zone 7a: 0°F to 5°F |
| Marlton | Zone 7a: 0°F to 5°F |
| Marriottsville | Zone 7a: 0°F to 5°F |
| Martin's Additions | Zone 7a: 0°F to 5°F |
| Marydel | Zone 7a: 0°F to 5°F |
| Maryland City | Zone 7a: 0°F to 5°F |
| Maryland Line | Zone 6b: -5°F to 0°F |
| Massey | Zone 7a: 0°F to 5°F |
| Maugansville | Zone 6b: -5°F to 0°F |
| Mayo | Zone 7b: 5°F to 10°F |
| Mays Chapel | Zone 7a: 0°F to 5°F |
| McCoole | Zone 6b: -5°F to 0°F |
| McDaniel | Zone 7b: 5°F to 10°F |
| McHenry | Zone 6a: -10°F to -5°F |
| Mechanicsville | Zone 7a: 0°F to 5°F |
| Mellwood | Zone 7a: 0°F to 5°F |
| Mercersville | Zone 6b: -5°F to 0°F |
| Middle River | Zone 7b: 5°F to 10°F |
| Middleburg | Zone 6b: -5°F to 0°F |
| Middletown | Zone 7a: 0°F to 5°F |
| Midland | Zone 6b: -5°F to 0°F |
| Midlothian | Zone 6a: -10°F to -5°F |
| Milford Mill | Zone 7a: 0°F to 5°F |
| Millersville | Zone 7a: 0°F to 5°F |
| Millington | Zone 7a: 0°F to 5°F |
| Mitchellville | Zone 7a: 0°F to 5°F |
| Monkton | Zone 6b: -5°F to 0°F |
| Monrovia | Zone 6b: -5°F to 0°F |
| Montgomery Village | Zone 7a: 0°F to 5°F |
| Morganza | Zone 7a: 0°F to 5°F |
| Morningside | Zone 7a: 0°F to 5°F |
| Moscow | Zone 6b: -5°F to 0°F |
| Mount Aetna | Zone 6b: -5°F to 0°F |
| Mount Airy | Zone 7a: 0°F to 5°F |
| Mount Briar | Zone 6b: -5°F to 0°F |
| Mount Lena | Zone 7a: 0°F to 5°F |
| Mount Rainier | Zone 7a: 0°F to 5°F |
| Mount Savage | Zone 6b: -5°F to 0°F |
| Mount Vernon | Zone 7b: 5°F to 10°F |
| Mount Victoria | Zone 7b: 5°F to 10°F |
| Mountain Lake Park | Zone 5b: -15°F to -10°F |
| Myersville | Zone 7a: 0°F to 5°F |
| Nanjemoy | Zone 7b: 5°F to 10°F |
| Nanticoke | Zone 7b: 5°F to 10°F |
| Nanticoke Acres | Zone 7b: 5°F to 10°F |
| National | Zone 6a: -10°F to -5°F |
| Naval Academy | Zone 7b: 5°F to 10°F |
| Neavitt | Zone 7b: 5°F to 10°F |
| New Carrollton | Zone 7a: 0°F to 5°F |
| New Market | Zone 6b: -5°F to 0°F |
| New Midway | Zone 6b: -5°F to 0°F |
| New Windsor | Zone 6b: -5°F to 0°F |
| Newark | Zone 7b: 5°F to 10°F |
| Newburg | Zone 7b: 5°F to 10°F |
| Newcomb | Zone 7b: 5°F to 10°F |
| Nikep | Zone 6b: -5°F to 0°F |
| North Beach | Zone 7b: 5°F to 10°F |
| North Bel Air | Zone 7a: 0°F to 5°F |
| North Bethesda | Zone 7a: 0°F to 5°F |
| North Brentwood | Zone 7a: 0°F to 5°F |
| North Chevy Chase | Zone 7a: 0°F to 5°F |
| North East | Zone 7a: 0°F to 5°F |
| North Kensington | Zone 7a: 0°F to 5°F |
| North Laurel | Zone 7a: 0°F to 5°F |
| North Potomac | Zone 7a: 0°F to 5°F |
| Nottingham | Zone 7b: 5°F to 10°F |
| Oakland | Zone 5b: -15°F to -10°F |
| Ocean | Zone 6b: -5°F to 0°F |
| Ocean City | Zone 7b: 5°F to 10°F |
| Ocean Pines | Zone 7b: 5°F to 10°F |
| Odenton | Zone 7a: 0°F to 5°F |
| Oldtown | Zone 6b: -5°F to 0°F |
| Olney | Zone 7a: 0°F to 5°F |
| Overlea | Zone 7b: 5°F to 10°F |
| Owings | Zone 7a: 0°F to 5°F |
| Owings Mills | Zone 7a: 0°F to 5°F |
| Oxford | Zone 7b: 5°F to 10°F |
| Oxon Hill | Zone 7b: 5°F to 10°F |
| Palmer Park | Zone 7a: 0°F to 5°F |
| Paramount-Long Meadow | Zone 6b: -5°F to 0°F |
| Park Hall | Zone 7b: 5°F to 10°F |
| Parkton | Zone 6b: -5°F to 0°F |
| Parkville | Zone 7b: 5°F to 10°F |
| Parole | Zone 7b: 5°F to 10°F |
| Parsonsburg | Zone 7b: 5°F to 10°F |
| Pasadena | Zone 7b: 5°F to 10°F |
| Patuxent River | Zone 7b: 5°F to 10°F |
| Pecktonville | Zone 6b: -5°F to 0°F |
| Peppermill Village | Zone 7a: 0°F to 5°F |
| Perry Hall | Zone 7a: 0°F to 5°F |
| Perry Point | Zone 7a: 0°F to 5°F |
| Perryman | Zone 7a: 0°F to 5°F |
| Perryville | Zone 7a: 0°F to 5°F |
| Phoenix | Zone 7a: 0°F to 5°F |
| Pikesville | Zone 7a: 0°F to 5°F |
| Pinesburg | Zone 6b: -5°F to 0°F |
| Piney Point | Zone 7b: 5°F to 10°F |
| Pinto | Zone 7a: 0°F to 5°F |
| Pittsville | Zone 7b: 5°F to 10°F |
| Pleasant Grove | Zone 6b: -5°F to 0°F |
| Pleasant Hills | Zone 7a: 0°F to 5°F |
| Pocomoke City | Zone 7b: 5°F to 10°F |
| Point Of Rocks | Zone 7a: 0°F to 5°F |
| Pokomoke City | Zone 7b: 5°F to 10°F |
| Pomfret | Zone 7a: 0°F to 5°F |
| Pondsville | Zone 6b: -5°F to 0°F |
| Poolesville | Zone 7a: 0°F to 5°F |
| Port Deposit | Zone 7a: 0°F to 5°F |
| Port Republic | Zone 7b: 5°F to 10°F |
| Port Tobacco | Zone 7a: 0°F to 5°F |
| Potomac | Zone 7a: 0°F to 5°F |
| Potomac Heights | Zone 7b: 5°F to 10°F |
| Potomac Park | Zone 7a: 0°F to 5°F |
| Powellville | Zone 7b: 5°F to 10°F |
| Preston | Zone 7b: 5°F to 10°F |
| Price | Zone 7a: 0°F to 5°F |
| Prince Frederick | Zone 7b: 5°F to 10°F |
| Princess Anne | Zone 7b: 5°F to 10°F |
| Pumphrey | Zone 7b: 5°F to 10°F |
| Pylesville | Zone 7a: 0°F to 5°F |
| Quantico | Zone 7b: 5°F to 10°F |
| Queen Anne | Zone 7a: 0°F to 5°F |
| Queenstown | Zone 7b: 5°F to 10°F |
| Randallstown | Zone 7a: 0°F to 5°F |
| Rawlings | Zone 6b: -5°F to 0°F |
| Redland | Zone 7a: 0°F to 5°F |
| Rehobeth | Zone 7b: 5°F to 10°F |
| Reid | Zone 6b: -5°F to 0°F |
| Reisterstown | Zone 7a: 0°F to 5°F |
| Rhodesdale | Zone 7b: 5°F to 10°F |
| Riderwood | Zone 7a: 0°F to 5°F |
| Ridge | Zone 7b: 5°F to 10°F |
| Ridgely | Zone 7a: 0°F to 5°F |
| Ringgold | Zone 6b: -5°F to 0°F |
| Rising Sun | Zone 7a: 0°F to 5°F |
| Riva | Zone 7b: 5°F to 10°F |
| Riverdale | Zone 7a: 0°F to 5°F |
| Riverdale Park | Zone 7a: 0°F to 5°F |
| Riverside | Zone 7a: 0°F to 5°F |
| Riviera Beach | Zone 7b: 5°F to 10°F |
| Robinwood | Zone 6b: -5°F to 0°F |
| Rock Hall | Zone 7b: 5°F to 10°F |
| Rock Point | Zone 7b: 5°F to 10°F |
| Rockville | Zone 7a: 0°F to 5°F |
| Rocky Ridge | Zone 6b: -5°F to 0°F |
| Rohrersville | Zone 6b: -5°F to 0°F |
| Rosaryville | Zone 7a: 0°F to 5°F |
| Rosedale | Zone 7b: 5°F to 10°F |
| Rosemont | Zone 7a: 0°F to 5°F |
| Rossmoor | Zone 7a: 0°F to 5°F |
| Rossville | Zone 7b: 5°F to 10°F |
| Royal Oak | Zone 7b: 5°F to 10°F |
| Sabillasville | Zone 6b: -5°F to 0°F |
| Saint George Island | Zone 7b: 5°F to 10°F |
| Saint Inigoes | Zone 7b: 5°F to 10°F |
| Saint James | Zone 6b: -5°F to 0°F |
| Saint Leonard | Zone 7b: 5°F to 10°F |
| Saint Marys City | Zone 7b: 5°F to 10°F |
| Saint Michaels | Zone 7b: 5°F to 10°F |
| Salisbury | Zone 7b: 5°F to 10°F |
| San Mar | Zone 7a: 0°F to 5°F |
| Sandy Hook | Zone 6b: -5°F to 0°F |
| Sandy Spring | Zone 7a: 0°F to 5°F |
| Savage | Zone 7a: 0°F to 5°F |
| Scotland | Zone 7b: 5°F to 10°F |
| Seabrook | Zone 7a: 0°F to 5°F |
| Seat Pleasant | Zone 7a: 0°F to 5°F |
| Secretary | Zone 7b: 5°F to 10°F |
| Selby-on-the-Bay | Zone 7b: 5°F to 10°F |
| Severn | Zone 7a: 0°F to 5°F |
| Severna Park | Zone 7b: 5°F to 10°F |
| Shady Side | Zone 7b: 5°F to 10°F |
| Sharpsburg | Zone 6b: -5°F to 0°F |
| Sharptown | Zone 7b: 5°F to 10°F |
| Sherwood | Zone 7b: 5°F to 10°F |
| Showell | Zone 7b: 5°F to 10°F |
| Silver Hill | Zone 7a: 0°F to 5°F |
| Silver Spring | Zone 7a: 0°F to 5°F |
| Simpsonville | Zone 7a: 0°F to 5°F |
| Smith Island | Zone 8a: 10°F to 15°F |
| Smithsburg | Zone 6b: -5°F to 0°F |
| Snow Hill | Zone 7b: 5°F to 10°F |
| Solomons | Zone 7b: 5°F to 10°F |
| Somerset | Zone 7a: 0°F to 5°F |
| South Bel Air | Zone 7a: 0°F to 5°F |
| South Gate | Zone 7a: 0°F to 5°F |
| South Kensington | Zone 7a: 0°F to 5°F |
| South Laurel | Zone 7a: 0°F to 5°F |
| Southern MD Facility | Zone 7a: 0°F to 5°F |
| Sparks Glencoe | Zone 6b: -5°F to 0°F |
| Sparrows Point | Zone 7b: 5°F to 10°F |
| Spencerville | Zone 7a: 0°F to 5°F |
| Spring Gap | Zone 6b: -5°F to 0°F |
| Spring Ridge | Zone 6b: -5°F to 0°F |
| Springdale | Zone 7a: 0°F to 5°F |
| St. Charles | Zone 7a: 0°F to 5°F |
| Stevenson | Zone 7a: 0°F to 5°F |
| Stevensville | Zone 7b: 5°F to 10°F |
| Stevensville South | Zone 7b: 5°F to 10°F |
| Still Pond | Zone 7a: 0°F to 5°F |
| Stockton | Zone 7b: 5°F to 10°F |
| Street | Zone 7a: 0°F to 5°F |
| Sudlersville | Zone 7a: 0°F to 5°F |
| Suitland | Zone 7a: 0°F to 5°F |
| Sunderland | Zone 7a: 0°F to 5°F |
| Swanton | Zone 6a: -10°F to -5°F |
| Sykesville | Zone 7a: 0°F to 5°F |
| Takoma Park | Zone 7a: 0°F to 5°F |
| Tall Timbers | Zone 7b: 5°F to 10°F |
| Taneytown | Zone 6b: -5°F to 0°F |
| Taylors Island | Zone 7b: 5°F to 10°F |
| Temple Hills | Zone 7a: 0°F to 5°F |
| Templeville | Zone 7a: 0°F to 5°F |
| Thurmont | Zone 6b: -5°F to 0°F |
| Tilghman | Zone 7b: 5°F to 10°F |
| Tilghman Island | Zone 7b: 5°F to 10°F |
| Tilghmanton | Zone 6b: -5°F to 0°F |
| Timonium | Zone 7a: 0°F to 5°F |
| Toddville | Zone 7b: 5°F to 10°F |
| Tolchester | Zone 7b: 5°F to 10°F |
| Towson | Zone 7a: 0°F to 5°F |
| Tracys Landing | Zone 7a: 0°F to 5°F |
| Trappe | Zone 7b: 5°F to 10°F |
| Travilah | Zone 7a: 0°F to 5°F |
| Tuscarora | Zone 6b: -5°F to 0°F |
| Tyaskin | Zone 7b: 5°F to 10°F |
| Tylerton | Zone 8a: 10°F to 15°F |
| Union Bridge | Zone 6b: -5°F to 0°F |
| Unionville | Zone 6b: -5°F to 0°F |
| University Park | Zone 7a: 0°F to 5°F |
| Upper Fairmount | Zone 7b: 5°F to 10°F |
| Upper Falls | Zone 7a: 0°F to 5°F |
| Upper Marlboro | Zone 7a: 0°F to 5°F |
| Upperco | Zone 7a: 0°F to 5°F |
| Urbana | Zone 7a: 0°F to 5°F |
| Vale Summit | Zone 6a: -10°F to -5°F |
| Valley Lee | Zone 7b: 5°F to 10°F |
| Vienna | Zone 7b: 5°F to 10°F |
| Waldorf | Zone 7a: 0°F to 5°F |
| Walker Mill | Zone 7a: 0°F to 5°F |
| Walkersville | Zone 6b: -5°F to 0°F |
| Warwick | Zone 7a: 0°F to 5°F |
| Washington Grove | Zone 7a: 0°F to 5°F |
| Waterview | Zone 7b: 5°F to 10°F |
| Welcome | Zone 7b: 5°F to 10°F |
| Wenona | Zone 7b: 5°F to 10°F |
| West Denton | Zone 7a: 0°F to 5°F |
| West Elkridge | Zone 7a: 0°F to 5°F |
| West Friendship | Zone 6b: -5°F to 0°F |
| West Laurel | Zone 7a: 0°F to 5°F |
| West Ocean City | Zone 7b: 5°F to 10°F |
| West Pocomoke | Zone 7b: 5°F to 10°F |
| West River | Zone 7a: 0°F to 5°F |
| Westernport | Zone 6b: -5°F to 0°F |
| Westminster | Zone 7a: 0°F to 5°F |
| Westminster South | Zone 7a: 0°F to 5°F |
| Westover | Zone 7b: 5°F to 10°F |
| Westphalia | Zone 7a: 0°F to 5°F |
| Whaleyville | Zone 7b: 5°F to 10°F |
| Wheaton | Zone 7a: 0°F to 5°F |
| White Hall | Zone 6b: -5°F to 0°F |
| White Marsh | Zone 7b: 5°F to 10°F |
| White Oak | Zone 7a: 0°F to 5°F |
| White Plains | Zone 7a: 0°F to 5°F |
| Whiteford | Zone 6b: -5°F to 0°F |
| Whitehaven | Zone 7b: 5°F to 10°F |
| Willards | Zone 7b: 5°F to 10°F |
| Williamsport | Zone 6b: -5°F to 0°F |
| Williston | Zone 7a: 0°F to 5°F |
| Wilson-Conococheague | Zone 6b: -5°F to 0°F |
| Windsor Mill | Zone 7a: 0°F to 5°F |
| Wingate | Zone 7b: 5°F to 10°F |
| Wisp Four Seasons Resort | Zone 6a: -10°F to -5°F |
| Wittman | Zone 7b: 5°F to 10°F |
| Woodbine | Zone 7a: 0°F to 5°F |
| Woodland | Zone 6b: -5°F to 0°F |
| Woodlawn | Zone 7a: 0°F to 5°F |
| Woodmore | Zone 7a: 0°F to 5°F |
| Woodsboro | Zone 6b: -5°F to 0°F |
| Woodstock | Zone 6b: -5°F to 0°F |
| Woolford | Zone 7b: 5°F to 10°F |
| Worton | Zone 7a: 0°F to 5°F |
| Wye Mills | Zone 7a: 0°F to 5°F |
| Yarrowsburg | Zone 7a: 0°F to 5°F |
| Zihlman | Zone 6b: -5°F to 0°F |