Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Washington, D.C. | 8a | Mar 24 | Nov 18 | 239 |
| Washington | 7b | Apr 7 | Nov 2 | 209 |
| Downtown DC | 7b | Apr 7 | Nov 2 | 209 |
Zones in District of Columbia
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. District of Columbia's last-frost spread is
14 days wide. Use the location nearest you.
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