The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant aubrieta is to look at the USDA zone info for Hickory.

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 more sensitive plants.

The earliest that you can plant aubrieta in Hickory 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 little bit earlier by starting your aubrieta indoors.

Last Frost Date

The average date of last frost is April 15 in Hickory. It might get as low as 5°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Hickory and it will vary from year to year. Half of the time in Hickory you get surprised by a frost after April 15 so just be sure to be ready to cover your aubrieta if you have a late frost.

USDA Zone Info for Hickory

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 Hickory

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