Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Clarksville you will be able to figure out when it's the best time to plant trachelium.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After the last frost.

Since trachelium require warm weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant trachelium in Clarksville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant trachelium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your trachelium may not have a chance to fully mature. You can get started a few weeks earlier by starting your trachelium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Clarksville. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Clarksville is an average the actual date of last frost changes from year to year. Since half of the time in Clarksville you get a frost after April 15 be ready to protect your trachelium if you have a surprise late frost.

USDA Zone Info for Clarksville

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 Clarksville

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