2012 Best Planting Dates for Seeds for San Antonio, Texas

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.
  • 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 March 1 (at SAN ANTONIO INTL AP, TX climate station).

CropStart Seeds IndoorsMoon-favorable DatesStart Seeds in the GroundMoon-favorable Dates
BeansMar 1-15Mar 1- 8
BeetsFeb 9-Mar 22Feb 9-20
BroccoliJan 5-19Jan 5- 9Feb 9-16
Brussels sproutsJan 5-19Jan 5- 9
CabbageJan 5-19Jan 5- 9Feb 23-Mar 8Feb 23-Mar 8
CarrotsJan 26-Feb 9Feb 8- 9
CauliflowerJan 5-19Jan 5- 9Feb 23-Mar 8Feb 23-Mar 8
CeleryJan 5-19Jan 5- 9
CornMar 15-22Mar 22
CucumbersFeb 2-16Feb 2- 7Mar 8-15Mar 8
LettuceJan 19-Feb 2Jan 23-Feb 2Feb 23-Mar 15Feb 23-Mar 8
MelonsFeb 2-16Feb 2- 7Mar 15-22Mar 22
Onion setsFeb 2- 9Feb 8- 9
ParsnipsFeb 9-Mar 1Feb 9-20
PeasJan 19-Feb 2Jan 23-Feb 2
PeppersJan 5-19Jan 5- 9
Potato tubersMar 1-15Mar 9-15
PumpkinsFeb 2-16Feb 2- 7Mar 8-15Mar 8
RadishesFeb 23-Mar 8
SpinachJan 19-Feb 2Jan 23-Feb 2
Squash, summerFeb 2-16Feb 2- 7Mar 8-15Mar 8
Squash, winterFeb 2-16Feb 2- 7Mar 8-15Mar 8
TomatoesJan 5-19Jan 5- 9