Growing in Washington, DC
- USDA zone (2023)
- 7b-8a
- Median last frost
- April 1
- Median first frost
- November 10
- Growing season
- ~223 days
Frost dates are medians from NOAA climate normals: in half of years, frost comes later. The windows below are computed from each crop's planting rules against this city's dates, treat them as the center of the target, not the edges.
Tomato in Washington, DC
| Step | Window | Notes |
|---|---|---|
| Start seed indoors | February 4 to February 18 | |
| Transplant out | April 1 to April 22 | soil ≥ 60°F |
→ Full tomato calendar & suitable varieties for Washington, DC
Pepper in Washington, DC
| Step | Window | Notes |
|---|---|---|
| Start seed indoors | January 21 to February 4 | |
| Transplant out | April 8 to April 29 | soil ≥ 65°F |
→ Full pepper calendar & suitable varieties for Washington, DC
Other crops with rules for this climate
Data sources
Evidence: 2 sources, all independent references.
- USDA Plant Hardiness Zone Map (2023) · USDA Agricultural Research Service / Oregon State PRISM (2023), University or Government
- U.S. Climate Normals (1991-2020) · NOAA National Centers for Environmental Information (2021), University or Government