2013 Best Spring Planting Dates for Seeds for Washington, DC

When determining the best planting dates in the spring for seeds, the date of the last spring frost is important to your success. NOTE: Our chart calculates U.S. frost dates only, based on historical data. Other factors can also influence planting dates, including soil temperature, altitude and slope of land, nearby waters, and day length. Keep records of your garden's conditions each year to plan more accurately.

  • Seeds for plants with a long growing season should be started indoors during the periods shown below.
  • Seeds for plants sown in the ground should be planted during the periods shown.
  • When no dates appear in the chart, that starting method is not recommended for the particular vegetable.
  • To start transplants, see our Best Dates to Transplant (by region).

Planting by the Moon?

Above-ground crops are planted during the light of the Moon (new to full); below-ground crops are planted during the dark of the Moon (from the day after it is full to the day before it is new again). Planting is done in the daytime; planting at night is optional!

This chart includes the most popular crops. For more information, consult your cooperative extension.

Click on the underlined crops below for free "how to" plant and grow guides!

ZIP Code or City,State

50% probability of frost free after April 9 (at NATIONAL ARBORETUM DC, MD climate station).

CropStart Seeds IndoorsMoon-favorable DatesStart Seeds in the GroundMoon-favorable Dates
BeansApr 9-23Apr 10-23
BeetsMar 19-Apr 30Mar 28-Apr 9
BroccoliFeb 11-25Feb 11-25Mar 19-26Mar 19-26
Brussels sproutsFeb 11-25Feb 11-25
CabbageFeb 11-25Feb 11-25Apr 2-16Apr 10-16
CarrotsMar 4-19Mar 4- 9
CauliflowerFeb 11-25Feb 11-25Apr 2-16Apr 10-16
CeleryFeb 11-25Feb 11-25
CornApr 23-30Apr 23-25
CucumbersMar 12-26Mar 12-26Apr 16-23Apr 16-23
LettuceFeb 25-Mar 12Feb 25Apr 2-23Apr 10-23
MelonsMar 12-26Mar 12-26Apr 23-30Apr 23-25
Onion setsMar 12-19
ParsnipsMar 19-Apr 9Mar 28-Apr 9
PeasFeb 25-Mar 12Feb 25
PeppersFeb 11-25Feb 11-25
Potato tubersApr 9-23Apr 9
PumpkinsMar 12-26Mar 12-26Apr 16-23Apr 16-23
RadishesApr 2-16Apr 2- 9
SpinachFeb 25-Mar 12Feb 25
Squash, summerMar 12-26Mar 12-26Apr 16-23Apr 16-23
Squash, winterMar 12-26Mar 12-26Apr 16-23Apr 16-23
TomatoesFeb 11-25Feb 11-25