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

The first opportunity to plant aubrieta in Prescott can be estimated by reviewing 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 means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant aubrieta in Prescott 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. If you wait any later than that and your aubrieta may not have a chance to really do well. 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

On average the last frost has passed is on April 15 in Prescott. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Prescott is just an average and the actual date of last frost changes from year to year. Since half of the time in Prescott you get a frost after April 15 be ready to cover your aubrieta in the event of a late frost.

USDA Zone Info for Prescott

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Prescott

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