One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

You should be able to determine when it's a good idea to plant aubrieta by using the USDA zone info for Bellaire.

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 frost tender plants.

The earliest that you can plant aubrieta in Bellaire 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. You probably don't want to wait any later than that or else your aubrieta may not have a chance to really do well. Starting your aubrieta indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Bellaire. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Bellaire is an average the actual date of last frost changes from year to year. Since half of the time in Bellaire you get a frost after February 15 be ready to protect your aubrieta in the event of one of those late frosts.

USDA Zone Info for Bellaire

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Bellaire

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