Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lancaster you can determine when 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 moderately cold tolerant which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant aubrieta in Lancaster is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant aubrieta and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aubrieta may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your aubrieta indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Lancaster. You should expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Lancaster and it is different every year. Since half of the time in Lancaster you get surprised by a frost after March 15 be ready to protect your aubrieta in the event of a surprise late frost.

USDA Zone Info for Lancaster

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Lancaster

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