When to plant sweet corn in District of Columbia
District of Columbia spans USDA zone 8a, so the right time to plant sweet corn shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 29 in Washington to March 29 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 29 – April 12 |
Sweet Corn in District of Columbia: FAQ
When can I plant sweet corn in District of Columbia?
Across District of Columbia, the time to direct-sow sweet corn spans roughly March 29 in Washington to March 29 in Washington, each following that city's local frost dates.
Does the sweet corn planting date vary across District of Columbia?
Yes. District of Columbia publishes 1 cities with their own frost dates, so the right sweet corn 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 sweet corn take to grow in District of Columbia?
Sweet Corn takes about 60–90 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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