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.

The USDA zone info for Crossville can be reffered to in order to estimate when you can plant aubretia.

Planting Calendar for Aubretia

Frost tolerance for aubretia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aubretia can survive in quite a bit of cold which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aubretia in Crossville 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 aubretia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aubretia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your aubretia indoors.

Last Frost Date

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

Since the USDA zone info for Crossville is an average the actual date of last frost is different every year. Since half of the time in Crossville there is a last frost after April 15 be ready to cover your aubretia in the event of one of those late frosts.

USDA Zone Info for Crossville

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 Crossville

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