One of the best tools that you have as gardeners to help us determine 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.

A common way of determining when you can plant aubrieta is to consult the USDA zone info for Liberal.

Planting Calendar for Aubrieta

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

Since aubrieta are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant aubrieta in Liberal 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 really do well. You can get started a couple of weeks earlier by starting your aubrieta indoors.

Last Frost Date

The average date of last frost is April 15 in Liberal. You can expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Liberal may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Liberal last frost occurs after April 15 be ready to protect your aubrieta in the event of one of those late frosts.

USDA Zone Info for Liberal

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Liberal

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