Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Baltimore | 7b | Apr 9 | Nov 3 | 208 |
| Columbia | 7b | Apr 9 | Nov 3 | 208 |
| Germantown | 7b | Apr 11 | Oct 30 | 202 |
Zones in Maryland
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. Maryland's last-frost spread is
2 days wide. Use the location nearest you.
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