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.

You should be able to figure out when to plant trachelium by referring to the USDA zone info for Richmond.

Planting Calendar for Trachelium

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

You should not plant trachelium until after the last frost has passed because they do not do well in cold weather.

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

The last month that you can plant trachelium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your trachelium may not have a chance to grow to maturity. Starting your trachelium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Richmond. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for Richmond is an average and the actual date of last frost changes from year to year. Half of the time in Richmond you get a frost after February 15 so always be ready to protect your trachelium in the event of a late frost.

USDA Zone Info for Richmond

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Richmond

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