Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant trachelium in Clemson can be estimated by looking at the USDA zone info.

Planting Calendar for Trachelium

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

You can not plant trachelium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant trachelium in Clemson 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. If you wait any later than that and your trachelium may not have a chance to fully mature. Starting your trachelium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Clemson the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Clemson may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Clemson it frosts late in the year after March 15 so be sure to be ready to cover your trachelium if you have one of those late frosts.

USDA Zone Info for Clemson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Clemson

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