One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. 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 Chattanooga can be reviewed to determine when it's a good idea to plant lavender cotton.

Planting Calendar for Lavender Cotton

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

You can plant lavender cotton earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant lavender cotton 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 lavender cotton and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lavender cotton may not have a chance to grow to maturity. If you are starting your lavender cotton indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Chattanooga may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Chattanooga last frost occurs after April 15 be ready to cover your lavender cotton in the event of 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.