Maryland planting calendars
Planting calendars, USDA hardiness zones, and average frost dates for 56 Maryland locations (Annapolis Neck, MD, Baltimore, MD, Baltimore, MD, Baltimore, MD, Bel Air North, MD, Bel Air South, MD, Bel Air South, MD, Bensville, MD, Bloomington, MD, Bowie, MD, Brunswick, MD, California, MD, and 44 more). Pick a location to see its zone, average last and first frost dates, growing-season length, and a printable per-crop planting calendar, all from public NOAA and USDA data.
Locations in Maryland
| Location | USDA zone | Last frost | First frost | Season (days) |
|---|---|---|---|---|
| Annapolis Neck | 8a 10 to 15 °F | Mar 23 | Nov 20 | 241 |
| Baltimore | 8a 10 to 15 °F | Mar 24 | Nov 21 | 244 |
| Baltimore | 7b 5 to 10 °F | Apr 10 | Oct 31 | 204 |
| Baltimore | 7b 5 to 10 °F | Mar 24 | Nov 21 | 244 |
| Bel Air North | 7b 5 to 10 °F | Apr 3 | Nov 6 | 217 |
| Bel Air South | 7b 5 to 10 °F | Apr 10 | Oct 30 | 201 |
| Bel Air South | 7a 0 to 5 °F | Apr 3 | Nov 6 | 217 |
| Bensville | 7b 5 to 10 °F | Mar 28 | Nov 8 | 226 |
| Bloomington | 6b −5 to 0 °F | Apr 29 | Oct 20 | 174 |
| Bowie | 7a 0 to 5 °F | Apr 10 | Nov 1 | 202 |
| Brunswick | 7a 0 to 5 °F | Apr 26 | Oct 18 | 175 |
| California | 7b 5 to 10 °F | Mar 29 | Nov 15 | 230 |
| Charlestown | 7b 5 to 10 °F | Apr 26 | Oct 22 | 179 |
| Chesapeake Beach | 8a 10 to 15 °F | Apr 17 | Oct 27 | 195 |
| Chestertown | 7b 5 to 10 °F | Apr 3 | Nov 5 | 217 |
| Cockeysville | 7a 0 to 5 °F | Apr 19 | Oct 25 | 188 |
| Cordova | 7b 5 to 10 °F | Apr 1 | Nov 7 | 220 |
| Croom | 7b 5 to 10 °F | Apr 9 | Oct 29 | 203 |
| Cumberland | 7a 0 to 5 °F | Apr 15 | Oct 24 | 190 |
| Dames Quarter | 8a 10 to 15 °F | Apr 10 | Oct 30 | 201 |
| Denton | 7b 5 to 10 °F | Apr 11 | Oct 30 | 200 |
| Easton | 8a 10 to 15 °F | Apr 1 | Nov 7 | 220 |
| Eden | 7b 5 to 10 °F | Apr 10 | Oct 30 | 201 |
| Edgewater | 8a 10 to 15 °F | Mar 27 | Nov 13 | 234 |
| Edgewood | 8a 10 to 15 °F | Apr 10 | Oct 30 | 201 |
| Eldersburg | 7a 0 to 5 °F | Apr 14 | Oct 29 | 196 |
| Elkton | 7a 0 to 5 °F | Apr 7 | Nov 1 | 209 |
| Ellicott | 7b 5 to 10 °F | Apr 5 | Nov 9 | 218 |
| Fairmount | 7b 5 to 10 °F | Mar 31 | Nov 11 | 225 |
| Fairmount | 8a 10 to 15 °F | Mar 31 | Nov 11 | 225 |
| Fallston | 7b 5 to 10 °F | Apr 2 | Nov 7 | 220 |
| Frederick | 7a 0 to 5 °F | Apr 2 | Nov 6 | 218 |
| Frederick | 7b 5 to 10 °F | Apr 2 | Nov 6 | 218 |
| Germantown | 7b 5 to 10 °F | Apr 14 | Oct 29 | 196 |
| Glen Burnie | 8a 10 to 15 °F | Apr 10 | Oct 31 | 204 |
| Hagerstown | 7a 0 to 5 °F | Apr 7 | Nov 4 | 209 |
| Highfield-Cascade | 7a 0 to 5 °F | Apr 14 | Oct 30 | 197 |
| Jefferson | 7b 5 to 10 °F | Apr 26 | Oct 18 | 175 |
| Lexington Park | 8a 10 to 15 °F | Mar 29 | Nov 15 | 230 |
| Luke | 7a 0 to 5 °F | Apr 29 | Oct 20 | 174 |
| Midlothian | 6a −10 to −5 °F | Apr 29 | Oct 18 | 171 |
| Mountain Lake Park | 6a −10 to −5 °F | May 6 | Oct 9 | 156 |
| Newark | 7b 5 to 10 °F | Apr 10 | Oct 31 | 202 |
| Olney | 7b 5 to 10 °F | Apr 10 | Nov 1 | 202 |
| Olney | 7b 5 to 10 °F | Apr 1 | Nov 6 | 219 |
| Parole | 7b 5 to 10 °F | Mar 27 | Nov 13 | 234 |
| Randallstown | 7a 0 to 5 °F | Apr 2 | Nov 7 | 220 |
| Reisterstown | 7b 5 to 10 °F | Apr 19 | Oct 25 | 188 |
| Shady Side | 8a 10 to 15 °F | Apr 9 | Oct 29 | 203 |
| Smith Island | 8a 10 to 15 °F | Apr 4 | Nov 7 | 216 |
| Stevensville | 8a 10 to 15 °F | Mar 29 | Nov 12 | 228 |
| Swanton | 6a −10 to −5 °F | Apr 29 | Oct 20 | 174 |
| Tyaskin | 7b 5 to 10 °F | Apr 8 | Nov 4 | 209 |
| Waldorf | 7b 5 to 10 °F | Apr 17 | Oct 27 | 195 |
| West Ocean | 8a 10 to 15 °F | Apr 7 | Nov 2 | 209 |
| Westminster | 7a 0 to 5 °F | Apr 24 | Oct 20 | 177 |
Data: NOAA NCEI U.S. Climate Normals 1991–2020 (public domain) and USDA Plant Hardiness Zone Map 2023. Planting windows synthesized from U.S. Cooperative Extension guides.
More ways to explore
Browse by USDA hardiness zone, see when to plant common crops, or read the methodology behind every figure. This site lists 56 Maryland locations, mapping every ZIP in the state to its nearest weather station with a full 30-year record.