When to plant scallion (green onion) in District of Columbia
District of Columbia spans USDA zone 8a, so the right time to plant scallion (green onion) shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 1 in Washington to March 1 in Washington — below are local dates for 1 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Washington | 8a | March 29 | November 8 | March 1 – April 12 |
Scallion (Green Onion) in District of Columbia: FAQ
When can I plant scallion (green onion) in District of Columbia?
Across District of Columbia, the time to direct-sow scallion (green onion) spans roughly March 1 in Washington to March 1 in Washington, each following that city's local frost dates.
Does the scallion (green onion) planting date vary across District of Columbia?
Yes. District of Columbia publishes 1 cities with their own frost dates, so the right scallion (green onion) 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 scallion (green onion) take to grow in District of Columbia?
Scallion (Green Onion) takes about 60–80 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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