One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for San Marcos it's possible to estimate when it's possible to plant pincushion flower.

Planting Calendar for Pincushion Flower

Frost tolerance for pincushion flower:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Pincushion Flower do well in moderate cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pincushion flower in San Marcos is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant pincushion flower and expect a good harvest is probably October. Any later than that and your pincushion flower may not have a chance to fully mature. Starting your pincushion flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Marcos. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for San Marcos is an average the actual date of last frost is different every year. Half of the time in San Marcos it frosts late in the year after January 31 so just be sure to be ready to cover your pincushion flower if you have a late frost.

USDA Zone Info for San Marcos

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Marcos

You may be interested in your other planting guides for San Marcos.