When to plant rosemary in District of Columbia
District of Columbia spans USDA zone 8a, so the right time to plant rosemary shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 5 in Washington to April 5 in Washington — below are local dates for 1 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Washington | 8a | March 29 | November 8 | April 5 – April 12 |
Rosemary in District of Columbia: FAQ
When can I plant rosemary in District of Columbia?
Across District of Columbia, the time to transplant rosemary spans roughly April 5 in Washington to April 5 in Washington, each following that city's local frost dates.
Does the rosemary planting date vary across District of Columbia?
Yes. District of Columbia publishes 1 cities with their own frost dates, so the right rosemary planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.