Maryland USDA 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 |
Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Maryland which ranges from USDA Zone 5b to USDA Zone 7b.
1990 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related Maryland Maps:
List of 1990 Hardiness Zones for Cities in Maryland
| Location | Hardiness Zone |
|---|---|
| Abell | Zone 7a: 0°F to 5°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 6b: -5°F to 0°F |
| Adelphi | Zone 6b: -5°F to 0°F |
| Algonquin | Zone 7a: 0°F to 5°F |
| Allen | Zone 7a: 0°F to 5°F |
| Andrews AFB | Zone 6b: -5°F to 0°F |
| Annapolis | Zone 7a: 0°F to 5°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 7a: 0°F to 5°F |
| Arden on the Severn | Zone 7a: 0°F to 5°F |
| Arnold | Zone 7a: 0°F to 5°F |
| Ashton | Zone 6b: -5°F to 0°F |
| Ashton-Sandy Spring | Zone 6b: -5°F to 0°F |
| Aspen Hill | Zone 6b: -5°F to 0°F |
| Assateague Island Natl Seashore | Zone 7b: 5°F to 10°F |
| Avenue | Zone 7a: 0°F to 5°F |
| Baden | Zone 7a: 0°F to 5°F |
| Bagtown | Zone 6b: -5°F to 0°F |
| Bakersville | Zone 6b: -5°F to 0°F |
| Baldwin | Zone 6b: -5°F to 0°F |
| Ballenger Creek | Zone 6b: -5°F to 0°F |
| Baltimore | Zone 7a: 0°F to 5°F |
| Baltimore Highlands | Zone 7a: 0°F to 5°F |
| Baltimore/BWI Arpt | Zone 7a: 0°F to 5°F |
| Baltimore/Inner Harbor | Zone 7a: 0°F to 5°F |
| Baltimore/Martin Arpt | Zone 7a: 0°F to 5°F |
| Barclay | Zone 7a: 0°F to 5°F |
| Barnesville | Zone 7a: 0°F to 5°F |
| Barrelville | Zone 6a: -10°F to -5°F |
| Barstow | Zone 7a: 0°F to 5°F |
| Barton | Zone 6a: -10°F to -5°F |
| Bartonsville | Zone 6b: -5°F to 0°F |
| Beallsville | Zone 7a: 0°F to 5°F |
| Beaver Creek | Zone 6b: -5°F to 0°F |
| Bel Air | Zone 6b: -5°F to 0°F |
| Bel Air North | Zone 6b: -5°F to 0°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 6b: -5°F to 0°F |
| Benedict | Zone 7a: 0°F to 5°F |
| Bennsville | Zone 7a: 0°F to 5°F |
| Benson | Zone 6b: -5°F to 0°F |
| Berlin | Zone 7b: 5°F to 10°F |
| Berwyn Heights | Zone 6b: -5°F to 0°F |
| Bethesda | Zone 6b: -5°F to 0°F |
| Bethlehem | Zone 7a: 0°F to 5°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 7a: 0°F to 5°F |
| Bladensburg | Zone 6b: -5°F to 0°F |
| Bloomington | Zone 6a: -10°F to -5°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 7a: 0°F to 5°F |
| Bowling Green | Zone 6b: -5°F to 0°F |
| Bowmans Addition | Zone 6b: -5°F to 0°F |
| Boyds | Zone 7a: 0°F to 5°F |
| Bozman | Zone 7a: 0°F to 5°F |
| Braddock Heights | Zone 6b: -5°F to 0°F |
| Brandywine | Zone 7a: 0°F to 5°F |
| Breathedsville | Zone 6b: -5°F to 0°F |
| Brentwood | Zone 6b: -5°F to 0°F |
| Bridgeport | Zone 6b: -5°F to 0°F |
| Brinklow | Zone 6b: -5°F to 0°F |
| Brock Hall | Zone 7a: 0°F to 5°F |
| Brookeville | Zone 6b: -5°F to 0°F |
| Brooklandville | Zone 7a: 0°F to 5°F |
| Brooklyn | Zone 7a: 0°F to 5°F |
| Brooklyn Park | Zone 7a: 0°F to 5°F |
| Brookmont | Zone 6b: -5°F to 0°F |
| Brookview | Zone 7a: 0°F to 5°F |
| Broomes Island | Zone 7a: 0°F to 5°F |
| Brownsville | Zone 6b: -5°F to 0°F |
| Brunswick | Zone 6b: -5°F to 0°F |
| Bryans Road | Zone 7a: 0°F to 5°F |
| Bryantown | Zone 7a: 0°F to 5°F |
| Buckeystown | Zone 6b: -5°F to 0°F |
| Burkittsville | Zone 6b: -5°F to 0°F |
| Burtonsville | Zone 6b: -5°F to 0°F |
| Bushwood | Zone 7a: 0°F to 5°F |
| Butler | Zone 6b: -5°F to 0°F |
| Butlertown | Zone 7a: 0°F to 5°F |
| Cabin John | Zone 6b: -5°F to 0°F |
| California | Zone 7a: 0°F to 5°F |
| Callaway | Zone 7a: 0°F to 5°F |
| Calvert Beach | Zone 7a: 0°F to 5°F |
| Calverton | Zone 6b: -5°F to 0°F |
| Cambridge | Zone 7a: 0°F to 5°F |
| Camp David | Zone 6a: -10°F to -5°F |
| Camp Springs | Zone 6b: -5°F to 0°F |
| Cape St. Claire | Zone 7a: 0°F to 5°F |
| Capitol Heights | Zone 6b: -5°F to 0°F |
| Carlos | Zone 6a: -10°F to -5°F |
| Carney | Zone 7a: 0°F to 5°F |
| Cascade | Zone 6a: -10°F to -5°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 6b: -5°F to 0°F |
| Cedarville | Zone 7a: 0°F to 5°F |
| Centreville | Zone 7a: 0°F to 5°F |
| Chance | Zone 7a: 0°F to 5°F |
| Chaptico | Zone 7a: 0°F to 5°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 7a: 0°F to 5°F |
| Cheltenham | Zone 7a: 0°F to 5°F |
| Chesapeake Beach | Zone 7a: 0°F to 5°F |
| Chesapeake City | Zone 6b: -5°F to 0°F |
| Chesapeake Ranch Estates | Zone 7a: 0°F to 5°F |
| Chester | Zone 7a: 0°F to 5°F |
| Chestertown | Zone 7a: 0°F to 5°F |
| Cheverly | Zone 6b: -5°F to 0°F |
| Chevy Chase | Zone 6b: -5°F to 0°F |
| Chevy Chase Section Five | Zone 6b: -5°F to 0°F |
| Chevy Chase Section Three | Zone 6b: -5°F to 0°F |
| Chevy Chase View | Zone 6b: -5°F to 0°F |
| Chevy Chase Village | Zone 6b: -5°F to 0°F |
| Chewsville | Zone 6b: -5°F to 0°F |
| Childs | Zone 6b: -5°F to 0°F |
| Chillum | Zone 6b: -5°F to 0°F |
| Choptank | Zone 7a: 0°F to 5°F |
| Church Creek | Zone 7a: 0°F to 5°F |
| Church Hill | Zone 7a: 0°F to 5°F |
| Churchton | Zone 7a: 0°F to 5°F |
| Churchville | Zone 6b: -5°F to 0°F |
| Claiborne | Zone 7a: 0°F to 5°F |
| Clarksburg | Zone 6b: -5°F to 0°F |
| Clarksville | Zone 6b: -5°F to 0°F |
| Clarysville | Zone 6a: -10°F to -5°F |
| Clear Spring | Zone 6b: -5°F to 0°F |
| Clements | Zone 7a: 0°F to 5°F |
| Clinton | Zone 7a: 0°F to 5°F |
| Clover Hill | Zone 6b: -5°F to 0°F |
| Cloverly | Zone 6b: -5°F to 0°F |
| Cobb Island | Zone 7a: 0°F to 5°F |
| Cockeysville | Zone 6b: -5°F to 0°F |
| Colesville | Zone 6b: -5°F to 0°F |
| College Park | Zone 6b: -5°F to 0°F |
| Colmar Manor | Zone 6b: -5°F to 0°F |
| Colora | Zone 6b: -5°F to 0°F |
| Coltons Point | Zone 7a: 0°F to 5°F |
| Columbia | Zone 6b: -5°F to 0°F |
| Compton | Zone 7a: 0°F to 5°F |
| Conowingo | Zone 6b: -5°F to 0°F |
| Cooksville | Zone 6b: -5°F to 0°F |
| Coral Hills | Zone 6b: -5°F to 0°F |
| Cordova | Zone 7a: 0°F to 5°F |
| Corriganville | Zone 6b: -5°F to 0°F |
| Cottage City | Zone 6b: -5°F to 0°F |
| Crapo | Zone 7a: 0°F to 5°F |
| Crellin | Zone 5b: -15°F to -10°F |
| Cresaptown | Zone 6b: -5°F to 0°F |
| Crisfield | Zone 7a: 0°F to 5°F |
| Crocheron | Zone 7a: 0°F to 5°F |
| Crofton | Zone 7a: 0°F to 5°F |
| Croom | Zone 7a: 0°F to 5°F |
| Crownsville | Zone 7a: 0°F to 5°F |
| Crumpton | Zone 7a: 0°F to 5°F |
| Cumberland | Zone 6b: -5°F to 0°F |
| Curtis Bay | Zone 7a: 0°F to 5°F |
| Damascus | Zone 6a: -10°F to -5°F |
| Dameron | Zone 7a: 0°F to 5°F |
| Dames Quarter | Zone 7a: 0°F to 5°F |
| Danville | Zone 6a: -10°F to -5°F |
| Dargan | Zone 6b: -5°F to 0°F |
| Darlington | Zone 6b: -5°F to 0°F |
| Darnestown | Zone 6b: -5°F to 0°F |
| Davidsonville | Zone 7a: 0°F to 5°F |
| Dawson | Zone 6a: -10°F to -5°F |
| Dayton | Zone 6b: -5°F to 0°F |
| Deal Island | Zone 7a: 0°F to 5°F |
| Deale | Zone 7a: 0°F to 5°F |
| Deer Park | Zone 6a: -10°F to -5°F |
| Delmar | Zone 7a: 0°F to 5°F |
| Denton | Zone 7a: 0°F to 5°F |
| Derwood | Zone 6b: -5°F to 0°F |
| Detmold | Zone 6a: -10°F to -5°F |
| Dickerson | Zone 7a: 0°F to 5°F |
| District Heights | Zone 6b: -5°F to 0°F |
| Dodge Park | Zone 6b: -5°F to 0°F |
| Dowell | Zone 7a: 0°F to 5°F |
| Downsville | Zone 6b: -5°F to 0°F |
| Drayden | Zone 7a: 0°F to 5°F |
| Drum Point | Zone 7a: 0°F to 5°F |
| Dundalk | Zone 7a: 0°F to 5°F |
| Dunkirk | Zone 7a: 0°F to 5°F |
| Dunkirk Town Center | Zone 7a: 0°F to 5°F |
| Eagle Harbor | Zone 7a: 0°F to 5°F |
| Earleville | Zone 6b: -5°F to 0°F |
| East New Market | Zone 7a: 0°F to 5°F |
| East Riverdale | Zone 6b: -5°F to 0°F |
| Easton | Zone 7a: 0°F to 5°F |
| Eckhart Mines | Zone 6a: -10°F to -5°F |
| Eden | Zone 7a: 0°F to 5°F |
| Edesville | Zone 7a: 0°F to 5°F |
| Edgemere | Zone 7a: 0°F to 5°F |
| Edgemont | Zone 6a: -10°F to -5°F |
| Edgewater | Zone 7a: 0°F to 5°F |
| Edgewood | Zone 7a: 0°F to 5°F |
| Edmonston | Zone 6b: -5°F to 0°F |
| Eldersburg | Zone 6b: -5°F to 0°F |
| Eldorado | Zone 7a: 0°F to 5°F |
| Elk Mills | Zone 6b: -5°F to 0°F |
| Elkridge | Zone 7a: 0°F to 5°F |
| Elkton | Zone 6b: -5°F to 0°F |
| Ellerslie | Zone 6b: -5°F to 0°F |
| Ellicott City | Zone 7a: 0°F to 5°F |
| Elliott | Zone 7a: 0°F to 5°F |
| Emmitsburg | Zone 6a: -10°F to -5°F |
| Ernstville | Zone 6a: -10°F to -5°F |
| Essex | Zone 7a: 0°F to 5°F |
| Ewell | Zone 7a: 0°F to 5°F |
| Fairland | Zone 6b: -5°F to 0°F |
| Fairlee | Zone 7a: 0°F to 5°F |
| Fairmount | Zone 7a: 0°F to 5°F |
| Fairmount Heights | Zone 6b: -5°F to 0°F |
| Fairplay | Zone 6b: -5°F to 0°F |
| Fairview | Zone 6a: -10°F to -5°F |
| Fallston | Zone 6b: -5°F to 0°F |
| Faulkner | Zone 7a: 0°F to 5°F |
| Federalsburg | Zone 7a: 0°F to 5°F |
| Ferndale | Zone 7a: 0°F to 5°F |
| Finksburg | Zone 7a: 0°F to 5°F |
| Finzel | Zone 6a: -10°F to -5°F |
| Fishing Creek | Zone 7a: 0°F to 5°F |
| Flintstone | Zone 6b: -5°F to 0°F |
| Forest Glen | Zone 6b: -5°F to 0°F |
| Forest Heights | Zone 7a: 0°F to 5°F |
| Forest Hill | Zone 6b: -5°F to 0°F |
| Forestville | Zone 6b: -5°F to 0°F |
| Fork | Zone 6b: -5°F to 0°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 7a: 0°F to 5°F |
| Fort Ritchie | Zone 6a: -10°F to -5°F |
| Fort Washington | Zone 7a: 0°F to 5°F |
| Fountainhead-Orchard Hills | Zone 6b: -5°F to 0°F |
| Four Corners | Zone 6b: -5°F to 0°F |
| Franklin | Zone 6a: -10°F to -5°F |
| Frederick | Zone 6b: -5°F to 0°F |
| Freeland | Zone 6b: -5°F to 0°F |
| Frenchtown-Rumbly | Zone 7a: 0°F to 5°F |
| Friendly | Zone 7a: 0°F to 5°F |
| Friendship | Zone 7a: 0°F to 5°F |
| Friendship Village | Zone 6b: -5°F to 0°F |
| Friendsville | Zone 5b: -15°F to -10°F |
| Frostburg | Zone 6a: -10°F to -5°F |
| Fruitland | Zone 7a: 0°F to 5°F |
| Fulton | Zone 6b: -5°F to 0°F |
| Funkstown | Zone 6b: -5°F to 0°F |
| Gaithersburg | Zone 6b: -5°F to 0°F |
| Galena | Zone 6b: -5°F to 0°F |
| Galestown | Zone 7a: 0°F to 5°F |
| Galesville | Zone 7a: 0°F to 5°F |
| Gambrills | Zone 7a: 0°F to 5°F |
| Gapland | Zone 6b: -5°F to 0°F |
| Garrett Park | Zone 6b: -5°F to 0°F |
| Garretts Mill | Zone 6b: -5°F to 0°F |
| Garrison | Zone 7a: 0°F to 5°F |
| Georgetown | Zone 6b: -5°F to 0°F |
| Germantown | Zone 6b: -5°F to 0°F |
| Gibson Island | Zone 7a: 0°F to 5°F |
| Gilmore | Zone 6a: -10°F to -5°F |
| Girdletree | Zone 7b: 5°F to 10°F |
| Glassmanor | Zone 7a: 0°F to 5°F |
| Glen Arm | Zone 6b: -5°F to 0°F |
| Glen Burnie | Zone 7a: 0°F to 5°F |
| Glen Echo | Zone 6b: -5°F to 0°F |
| Glen Echo Heights | Zone 6b: -5°F to 0°F |
| Glenarden | Zone 6b: -5°F to 0°F |
| Glenelg | Zone 6b: -5°F to 0°F |
| Glenmont | Zone 6b: -5°F to 0°F |
| Glenn Dale | Zone 6b: -5°F to 0°F |
| Glenwood | Zone 6b: -5°F to 0°F |
| Glyndon | Zone 7a: 0°F to 5°F |
| Goddard | Zone 6b: -5°F to 0°F |
| Golden Beach | Zone 7a: 0°F to 5°F |
| Goldsboro | Zone 7a: 0°F to 5°F |
| Gorman | Zone 5b: -15°F to -10°F |
| Grahamtown | Zone 6a: -10°F to -5°F |
| Grantsville | Zone 6a: -10°F to -5°F |
| Grasonville | Zone 7a: 0°F to 5°F |
| Great Mills | Zone 7a: 0°F to 5°F |
| Greater Upper Marlboro | Zone 7a: 0°F to 5°F |
| Green Haven | Zone 7a: 0°F to 5°F |
| Green Valley | Zone 6b: -5°F to 0°F |
| Greenbelt | Zone 6b: -5°F to 0°F |
| Greensboro | Zone 7a: 0°F to 5°F |
| Greensburg | Zone 6a: -10°F to -5°F |
| Gunpowder | Zone 7a: 0°F to 5°F |
| Gwynn Oak | Zone 7a: 0°F to 5°F |
| Hagerstown | Zone 6b: -5°F to 0°F |
| Halethorpe | Zone 7a: 0°F to 5°F |
| Halfway | Zone 6b: -5°F to 0°F |
| Hampstead | Zone 6b: -5°F to 0°F |
| Hampton | Zone 7a: 0°F to 5°F |
| Hancock | Zone 6a: -10°F to -5°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 7a: 0°F to 5°F |
| Highfield-Cascade | Zone 6a: -10°F to -5°F |
| Highland | Zone 6b: -5°F to 0°F |
| Highland Beach | Zone 7a: 0°F to 5°F |
| Hillandale | Zone 6b: -5°F to 0°F |
| Hillcrest Heights | Zone 6b: -5°F to 0°F |
| Hillsboro | Zone 7a: 0°F to 5°F |
| Hillsmere Shores | Zone 7a: 0°F to 5°F |
| Hollywood | Zone 7a: 0°F to 5°F |
| Hughesville | Zone 7a: 0°F to 5°F |
| Hunt Valley | Zone 6b: -5°F to 0°F |
| Huntingtown | Zone 7a: 0°F to 5°F |
| Huntingtown Town Center | Zone 7a: 0°F to 5°F |
| Hurlock | Zone 7a: 0°F to 5°F |
| Hutton | Zone 5b: -15°F to -10°F |
| Hyattsville | Zone 6b: -5°F to 0°F |
| Hydes | Zone 6b: -5°F to 0°F |
| Ijamsville | Zone 6b: -5°F to 0°F |
| Ilchester | Zone 7a: 0°F to 5°F |
| Indian Head | Zone 7a: 0°F to 5°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 7a: 0°F to 5°F |
| Jarrettsville | Zone 6b: -5°F to 0°F |
| Jefferson | Zone 6b: -5°F to 0°F |
| Jennings | Zone 6a: -10°F to -5°F |
| Jessup | Zone 7a: 0°F to 5°F |
| Jesterville | Zone 7a: 0°F to 5°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 6b: -5°F to 0°F |
| Kennedyville | Zone 7a: 0°F to 5°F |
| Kensington | Zone 6b: -5°F to 0°F |
| Kent Narrows | Zone 7a: 0°F to 5°F |
| Kentland | Zone 6b: -5°F to 0°F |
| Kettering | Zone 6b: -5°F to 0°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 6b: -5°F to 0°F |
| La Plata | Zone 7a: 0°F to 5°F |
| La Vale | Zone 6b: -5°F to 0°F |
| Ladiesburg | Zone 6a: -10°F to -5°F |
| Lake Arbor | Zone 6b: -5°F to 0°F |
| Lake Shore | Zone 7a: 0°F to 5°F |
| Landover | Zone 6b: -5°F to 0°F |
| Landover Hills | Zone 6b: -5°F to 0°F |
| Langley Park | Zone 6b: -5°F to 0°F |
| Lanham | Zone 6b: -5°F to 0°F |
| Lansdowne | Zone 7a: 0°F to 5°F |
| Largo | Zone 6b: -5°F to 0°F |
| Laurel | Zone 7a: 0°F to 5°F |
| Lawsonia | Zone 7a: 0°F to 5°F |
| Layhill | Zone 6b: -5°F to 0°F |
| Laytonsville | Zone 6b: -5°F to 0°F |
| Leisure World | Zone 6b: -5°F to 0°F |
| Leitersburg | Zone 6b: -5°F to 0°F |
| Leonardtown | Zone 7a: 0°F to 5°F |
| Lexington Park | Zone 7a: 0°F to 5°F |
| Libertytown | Zone 6a: -10°F to -5°F |
| Lineboro | Zone 6b: -5°F to 0°F |
| Linganore | Zone 6a: -10°F to -5°F |
| Linkwood | Zone 7a: 0°F to 5°F |
| Linthicum | Zone 7a: 0°F to 5°F |
| Linthicum Heights | Zone 7a: 0°F to 5°F |
| Linwood | Zone 6b: -5°F to 0°F |
| Lisbon | Zone 6a: -10°F to -5°F |
| Little Orleans | Zone 6a: -10°F to -5°F |
| Loch Lynn Heights | Zone 5b: -15°F to -10°F |
| Lochearn | Zone 7a: 0°F to 5°F |
| Lonaconing | Zone 6a: -10°F to -5°F |
| Londontowne | Zone 7a: 0°F to 5°F |
| Long Beach | Zone 7a: 0°F to 5°F |
| Long Green | Zone 6b: -5°F to 0°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 6a: -10°F to -5°F |
| Lusby | Zone 7a: 0°F to 5°F |
| Lutherville | Zone 7a: 0°F to 5°F |
| Lutherville-Timonium | Zone 7a: 0°F to 5°F |
| Madison | Zone 7a: 0°F to 5°F |
| Manchester | Zone 6b: -5°F to 0°F |
| Manokin | Zone 7a: 0°F to 5°F |
| Mapleville | Zone 6b: -5°F to 0°F |
| Marbury | Zone 7a: 0°F to 5°F |
| Mardela Springs | Zone 7b: 5°F to 10°F |
| Mariners | Zone 7a: 0°F to 5°F |
| Marlboro Meadows | Zone 7a: 0°F to 5°F |
| Marlow Heights | Zone 6b: -5°F to 0°F |
| Marlton | Zone 7a: 0°F to 5°F |
| Marriottsville | Zone 6b: -5°F to 0°F |
| Martin's Additions | Zone 6b: -5°F to 0°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 6b: -5°F to 0°F |
| Maugansville | Zone 6b: -5°F to 0°F |
| Mayo | Zone 7a: 0°F to 5°F |
| Mays Chapel | Zone 7a: 0°F to 5°F |
| McCoole | Zone 6a: -10°F to -5°F |
| McDaniel | Zone 7a: 0°F to 5°F |
| McHenry | Zone 6a: -10°F to -5°F |
| Mechanicsville | Zone 7a: 0°F to 5°F |
| Mellwood | Zone 6b: -5°F to 0°F |
| Mercersville | Zone 6b: -5°F to 0°F |
| Middle River | Zone 7a: 0°F to 5°F |
| Middleburg | Zone 6b: -5°F to 0°F |
| Middletown | Zone 6b: -5°F to 0°F |
| Midland | Zone 6a: -10°F to -5°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 6a: -10°F to -5°F |
| Montgomery Village | Zone 6b: -5°F to 0°F |
| Morganza | Zone 7a: 0°F to 5°F |
| Morningside | Zone 6b: -5°F to 0°F |
| Moscow | Zone 6a: -10°F to -5°F |
| Mount Aetna | Zone 6b: -5°F to 0°F |
| Mount Airy | Zone 6a: -10°F to -5°F |
| Mount Briar | Zone 6b: -5°F to 0°F |
| Mount Lena | Zone 6b: -5°F to 0°F |
| Mount Rainier | Zone 6b: -5°F to 0°F |
| Mount Savage | Zone 6a: -10°F to -5°F |
| Mount Vernon | Zone 7a: 0°F to 5°F |
| Mount Victoria | Zone 7a: 0°F to 5°F |
| Mountain Lake Park | Zone 5b: -15°F to -10°F |
| Myersville | Zone 6b: -5°F to 0°F |
| Nanjemoy | Zone 7a: 0°F to 5°F |
| Nanticoke | Zone 7a: 0°F to 5°F |
| Nanticoke Acres | Zone 7a: 0°F to 5°F |
| National | Zone 6a: -10°F to -5°F |
| Naval Academy | Zone 7a: 0°F to 5°F |
| Neavitt | Zone 7a: 0°F to 5°F |
| New Carrollton | Zone 6b: -5°F to 0°F |
| New Market | Zone 6a: -10°F to -5°F |
| New Midway | Zone 6a: -10°F to -5°F |
| New Windsor | Zone 6b: -5°F to 0°F |
| Newark | Zone 7b: 5°F to 10°F |
| Newburg | Zone 7a: 0°F to 5°F |
| Newcomb | Zone 7a: 0°F to 5°F |
| Nikep | Zone 6a: -10°F to -5°F |
| North Beach | Zone 7a: 0°F to 5°F |
| North Bel Air | Zone 6b: -5°F to 0°F |
| North Bethesda | Zone 6b: -5°F to 0°F |
| North Brentwood | Zone 6b: -5°F to 0°F |
| North Chevy Chase | Zone 6b: -5°F to 0°F |
| North East | Zone 7a: 0°F to 5°F |
| North Kensington | Zone 6b: -5°F to 0°F |
| North Laurel | Zone 6b: -5°F to 0°F |
| North Potomac | Zone 6b: -5°F to 0°F |
| Nottingham | Zone 7a: 0°F to 5°F |
| Oakland | Zone 5b: -15°F to -10°F |
| Ocean | Zone 6a: -10°F to -5°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 6b: -5°F to 0°F |
| Overlea | Zone 7a: 0°F to 5°F |
| Owings | Zone 7a: 0°F to 5°F |
| Owings Mills | Zone 7a: 0°F to 5°F |
| Oxford | Zone 7a: 0°F to 5°F |
| Oxon Hill | Zone 7a: 0°F to 5°F |
| Palmer Park | Zone 6b: -5°F to 0°F |
| Paramount-Long Meadow | Zone 6b: -5°F to 0°F |
| Park Hall | Zone 7a: 0°F to 5°F |
| Parkton | Zone 6b: -5°F to 0°F |
| Parkville | Zone 7a: 0°F to 5°F |
| Parole | Zone 7a: 0°F to 5°F |
| Parsonsburg | Zone 7a: 0°F to 5°F |
| Pasadena | Zone 7a: 0°F to 5°F |
| Patuxent River | Zone 7a: 0°F to 5°F |
| Pecktonville | Zone 6a: -10°F to -5°F |
| Peppermill Village | Zone 6b: -5°F to 0°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 6b: -5°F to 0°F |
| Pikesville | Zone 7a: 0°F to 5°F |
| Pinesburg | Zone 6b: -5°F to 0°F |
| Piney Point | Zone 7a: 0°F to 5°F |
| Pinto | Zone 6b: -5°F to 0°F |
| Pittsville | Zone 7a: 0°F to 5°F |
| Pleasant Grove | Zone 6b: -5°F to 0°F |
| Pleasant Hills | Zone 6b: -5°F to 0°F |
| Pocomoke City | Zone 7a: 0°F to 5°F |
| Point Of Rocks | Zone 6b: -5°F to 0°F |
| Pokomoke City | Zone 7a: 0°F to 5°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 6b: -5°F to 0°F |
| Port Republic | Zone 7a: 0°F to 5°F |
| Port Tobacco | Zone 7a: 0°F to 5°F |
| Potomac | Zone 6b: -5°F to 0°F |
| Potomac Heights | Zone 7a: 0°F to 5°F |
| Potomac Park | Zone 6b: -5°F to 0°F |
| Powellville | Zone 7a: 0°F to 5°F |
| Preston | Zone 7a: 0°F to 5°F |
| Price | Zone 7a: 0°F to 5°F |
| Prince Frederick | Zone 7a: 0°F to 5°F |
| Princess Anne | Zone 7a: 0°F to 5°F |
| Pumphrey | Zone 7a: 0°F to 5°F |
| Pylesville | Zone 6b: -5°F to 0°F |
| Quantico | Zone 7b: 5°F to 10°F |
| Queen Anne | Zone 7a: 0°F to 5°F |
| Queenstown | Zone 7a: 0°F to 5°F |
| Randallstown | Zone 7a: 0°F to 5°F |
| Rawlings | Zone 6b: -5°F to 0°F |
| Redland | Zone 6b: -5°F to 0°F |
| Rehobeth | Zone 7a: 0°F to 5°F |
| Reid | Zone 6b: -5°F to 0°F |
| Reisterstown | Zone 7a: 0°F to 5°F |
| Rhodesdale | Zone 7a: 0°F to 5°F |
| Riderwood | Zone 7a: 0°F to 5°F |
| Ridge | Zone 7a: 0°F to 5°F |
| Ridgely | Zone 7a: 0°F to 5°F |
| Ringgold | Zone 6a: -10°F to -5°F |
| Rising Sun | Zone 6b: -5°F to 0°F |
| Riva | Zone 7a: 0°F to 5°F |
| Riverdale | Zone 6b: -5°F to 0°F |
| Riverdale Park | Zone 6b: -5°F to 0°F |
| Riverside | Zone 6b: -5°F to 0°F |
| Riviera Beach | Zone 7a: 0°F to 5°F |
| Robinwood | Zone 6b: -5°F to 0°F |
| Rock Hall | Zone 7a: 0°F to 5°F |
| Rock Point | Zone 7a: 0°F to 5°F |
| Rockville | Zone 6b: -5°F to 0°F |
| Rocky Ridge | Zone 6a: -10°F to -5°F |
| Rohrersville | Zone 6b: -5°F to 0°F |
| Rosaryville | Zone 7a: 0°F to 5°F |
| Rosedale | Zone 7a: 0°F to 5°F |
| Rosemont | Zone 6b: -5°F to 0°F |
| Rossmoor | Zone 6b: -5°F to 0°F |
| Rossville | Zone 7a: 0°F to 5°F |
| Royal Oak | Zone 7a: 0°F to 5°F |
| Sabillasville | Zone 6a: -10°F to -5°F |
| Saint George Island | Zone 7a: 0°F to 5°F |
| Saint Inigoes | Zone 7a: 0°F to 5°F |
| Saint James | Zone 6b: -5°F to 0°F |
| Saint Leonard | Zone 7a: 0°F to 5°F |
| Saint Marys City | Zone 7a: 0°F to 5°F |
| Saint Michaels | Zone 7a: 0°F to 5°F |
| Salisbury | Zone 7a: 0°F to 5°F |
| San Mar | Zone 6b: -5°F to 0°F |
| Sandy Hook | Zone 6b: -5°F to 0°F |
| Sandy Spring | Zone 6b: -5°F to 0°F |
| Savage | Zone 7a: 0°F to 5°F |
| Scotland | Zone 7a: 0°F to 5°F |
| Seabrook | Zone 6b: -5°F to 0°F |
| Seat Pleasant | Zone 6b: -5°F to 0°F |
| Secretary | Zone 7a: 0°F to 5°F |
| Selby-on-the-Bay | Zone 7a: 0°F to 5°F |
| Severn | Zone 7a: 0°F to 5°F |
| Severna Park | Zone 7a: 0°F to 5°F |
| Shady Side | Zone 7a: 0°F to 5°F |
| Sharpsburg | Zone 6b: -5°F to 0°F |
| Sharptown | Zone 7a: 0°F to 5°F |
| Sherwood | Zone 7a: 0°F to 5°F |
| Showell | Zone 7b: 5°F to 10°F |
| Silver Hill | Zone 6b: -5°F to 0°F |
| Silver Spring | Zone 6b: -5°F to 0°F |
| Simpsonville | Zone 6b: -5°F to 0°F |
| Smith Island | Zone 7a: 0°F to 5°F |
| Smithsburg | Zone 6b: -5°F to 0°F |
| Snow Hill | Zone 7b: 5°F to 10°F |
| Solomons | Zone 7a: 0°F to 5°F |
| Somerset | Zone 6b: -5°F to 0°F |
| South Bel Air | Zone 6b: -5°F to 0°F |
| South Gate | Zone 7a: 0°F to 5°F |
| South Kensington | Zone 6b: -5°F to 0°F |
| South Laurel | Zone 7a: 0°F to 5°F |
| Southern MD Facility | Zone 6b: -5°F to 0°F |
| Sparks Glencoe | Zone 6b: -5°F to 0°F |
| Sparrows Point | Zone 7a: 0°F to 5°F |
| Spencerville | Zone 6b: -5°F to 0°F |
| Spring Gap | Zone 6b: -5°F to 0°F |
| Spring Ridge | Zone 6b: -5°F to 0°F |
| Springdale | Zone 6b: -5°F to 0°F |
| St. Charles | Zone 7a: 0°F to 5°F |
| Stevenson | Zone 7a: 0°F to 5°F |
| Stevensville | Zone 7a: 0°F to 5°F |
| Stevensville South | Zone 7a: 0°F to 5°F |
| Still Pond | Zone 7a: 0°F to 5°F |
| Stockton | Zone 7b: 5°F to 10°F |
| Street | Zone 6b: -5°F to 0°F |
| Sudlersville | Zone 7a: 0°F to 5°F |
| Suitland | Zone 6b: -5°F to 0°F |
| Sunderland | Zone 7a: 0°F to 5°F |
| Swanton | Zone 6a: -10°F to -5°F |
| Sykesville | Zone 6b: -5°F to 0°F |
| Takoma Park | Zone 6b: -5°F to 0°F |
| Tall Timbers | Zone 7a: 0°F to 5°F |
| Taneytown | Zone 6b: -5°F to 0°F |
| Taylors Island | Zone 7a: 0°F to 5°F |
| Temple Hills | Zone 6b: -5°F to 0°F |
| Templeville | Zone 7a: 0°F to 5°F |
| Thurmont | Zone 6a: -10°F to -5°F |
| Tilghman | Zone 7a: 0°F to 5°F |
| Tilghman Island | Zone 7a: 0°F to 5°F |
| Tilghmanton | Zone 6b: -5°F to 0°F |
| Timonium | Zone 7a: 0°F to 5°F |
| Toddville | Zone 7a: 0°F to 5°F |
| Tolchester | Zone 7a: 0°F to 5°F |
| Towson | Zone 7a: 0°F to 5°F |
| Tracys Landing | Zone 7a: 0°F to 5°F |
| Trappe | Zone 7a: 0°F to 5°F |
| Travilah | Zone 6b: -5°F to 0°F |
| Tuscarora | Zone 7a: 0°F to 5°F |
| Tyaskin | Zone 7a: 0°F to 5°F |
| Tylerton | Zone 7a: 0°F to 5°F |
| Union Bridge | Zone 6b: -5°F to 0°F |
| Unionville | Zone 6a: -10°F to -5°F |
| University Park | Zone 6b: -5°F to 0°F |
| Upper Fairmount | Zone 7a: 0°F to 5°F |
| Upper Falls | Zone 7a: 0°F to 5°F |
| Upper Marlboro | Zone 7a: 0°F to 5°F |
| Upperco | Zone 6b: -5°F to 0°F |
| Urbana | Zone 6b: -5°F to 0°F |
| Vale Summit | Zone 6a: -10°F to -5°F |
| Valley Lee | Zone 7a: 0°F to 5°F |
| Vienna | Zone 7a: 0°F to 5°F |
| Waldorf | Zone 7a: 0°F to 5°F |
| Walker Mill | Zone 6b: -5°F to 0°F |
| Walkersville | Zone 6a: -10°F to -5°F |
| Warwick | Zone 6b: -5°F to 0°F |
| Washington Grove | Zone 6b: -5°F to 0°F |
| Waterview | Zone 7a: 0°F to 5°F |
| Welcome | Zone 7a: 0°F to 5°F |
| Wenona | Zone 7a: 0°F to 5°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 6b: -5°F to 0°F |
| West Ocean City | Zone 7b: 5°F to 10°F |
| West Pocomoke | Zone 7a: 0°F to 5°F |
| West River | Zone 7a: 0°F to 5°F |
| Westernport | Zone 6a: -10°F to -5°F |
| Westminster | Zone 7a: 0°F to 5°F |
| Westminster South | Zone 7a: 0°F to 5°F |
| Westover | Zone 7a: 0°F to 5°F |
| Westphalia | Zone 6b: -5°F to 0°F |
| Whaleyville | Zone 7a: 0°F to 5°F |
| Wheaton | Zone 6b: -5°F to 0°F |
| White Hall | Zone 6b: -5°F to 0°F |
| White Marsh | Zone 7a: 0°F to 5°F |
| White Oak | Zone 6b: -5°F to 0°F |
| White Plains | Zone 7a: 0°F to 5°F |
| Whiteford | Zone 6b: -5°F to 0°F |
| Whitehaven | Zone 7a: 0°F to 5°F |
| Willards | Zone 7a: 0°F to 5°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 7a: 0°F to 5°F |
| Wisp Four Seasons Resort | Zone 6a: -10°F to -5°F |
| Wittman | Zone 7a: 0°F to 5°F |
| Woodbine | Zone 6b: -5°F to 0°F |
| Woodland | Zone 6a: -10°F to -5°F |
| Woodlawn | Zone 7a: 0°F to 5°F |
| Woodmore | Zone 6b: -5°F to 0°F |
| Woodsboro | Zone 6a: -10°F to -5°F |
| Woodstock | Zone 6b: -5°F to 0°F |
| Woolford | Zone 7a: 0°F to 5°F |
| Worton | Zone 7a: 0°F to 5°F |
| Wye Mills | Zone 7a: 0°F to 5°F |
| Yarrowsburg | Zone 6b: -5°F to 0°F |
| Zihlman | Zone 6a: -10°F to -5°F |