Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant aubrieta in Alameda should be determined by referring to the USDA zone info.

Planting Calendar for Aubrieta

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

Aubrieta do well in moderate cold which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant aubrieta in Alameda 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 aubrieta and expect a good harvest is probably October. If you wait any later than that and your aubrieta may not have a chance to really do well. Starting your aubrieta indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Alameda. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Alameda is an average the actual date of last frost changes from year to year. Since half of the time in Alameda there is a last frost after January 31 be ready to protect your aubrieta in the event of a late frost.

USDA Zone Info for Alameda

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 Alameda

You may be interested in your other planting guides for Alameda.