2010 Best Planting Dates for Seeds for Dublin, New Hampshire

When determining the best planting dates 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.

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 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 others, consult your local cooperative extension.

ZIP Code or City,State

50% probability of frost free after May 13 (at KEENE, NH climate station).

CropStart Seeds IndoorsMoon-favorable DatesStart Seeds in the GroundMoon-favorable Dates
BeansMay 13-27May 13-27
BeetsApr 22-Jun 3Apr 29-May 12
BroccoliMar 18-Apr 1Mar 18-29Apr 22-29Apr 22-28
Brussels sproutsMar 18-Apr 1Mar 18-29
CabbageMar 18-Apr 1Mar 18-29May 6-20May 13-20
CarrotsApr 8-22Apr 8-13
CauliflowerMar 18-Apr 1Mar 18-29May 6-20May 13-20
CeleryMar 18-Apr 1Mar 18-29
CornMay 27-Jun 3May 27
CucumbersApr 15-29Apr 15-28May 20-27May 20-27
LettuceApr 1-15Apr 14-15May 6-27May 13-27
MelonsApr 15-29Apr 15-28May 27-Jun 3May 27
Onion setsApr 15-22
ParsnipsApr 22-May 13Apr 29-May 12
PeasApr 1-15Apr 14-15
PeppersMar 18-Apr 1Mar 18-29
Potato tubersMay 13-27
PumpkinsApr 15-29Apr 15-28May 20-27May 20-27
RadishesMay 6-20May 6-12
SpinachApr 1-15Apr 14-15
Squash, summerApr 15-29Apr 15-28May 20-27May 20-27
Squash, winterApr 15-29Apr 15-28May 20-27May 20-27
TomatoesMar 18-Apr 1Mar 18-29