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

In Chattanooga you can determine when to plant aurinia by reviewing the USDA zone info.

Planting Calendar for Aurinia

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

Since aurinia are very cold tolerant you can plant them much earlier in the year than other plants that might not handle the cold.

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

Last Frost Date

The average date of last frost is April 15 in Chattanooga. 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 Chattanooga and it changes from year to year. Since half of the time in Chattanooga last frost occurs after April 15 be ready to cover your aurinia if you have a late frost.

USDA Zone Info for Chattanooga

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 Chattanooga

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