When to plant Eggplant in District of Columbia

In spring, Apr 15 – May 15 in Washington.

In fall, June 1 – July 15 in Washington.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Eggplant planting dates by place in District of Columbia
PlaceSpringFall
WashingtonApr 15 – May 15June 1 – July 15

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for eggplant.