When to plant fennel (bulb) in District of Columbia
District of Columbia spans USDA zone 8a, so the right time to plant fennel (bulb) shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 15 in Washington to March 15 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 | March 15 – March 29 |
Fennel (Bulb) in District of Columbia: FAQ
When can I plant fennel (bulb) in District of Columbia?
Across District of Columbia, the time to transplant fennel (bulb) spans roughly March 15 in Washington to March 15 in Washington, each following that city's local frost dates.
Does the fennel (bulb) planting date vary across District of Columbia?
Yes. District of Columbia publishes 1 cities with their own frost dates, so the right fennel (bulb) planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does fennel (bulb) take to grow in District of Columbia?
Fennel (Bulb) takes about 65–90 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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