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.

In Davis you can figure out when it's the best time to plant aubrieta by looking at 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 are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant aubrieta in Davis 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 fully mature. If you are starting your aubrieta indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Davis. It might get as low as 25°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Davis and it can change quite a bit from year to year. Since half of the time in Davis you get surprised by a frost after February 15 be ready to protect your aubrieta if you have one of those late frosts.

USDA Zone Info for Davis

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Davis

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