Before planting it is a good idea to find your USDA Zone info to determine 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 estimate when it's possible to plant trachelium by using the USDA zone info for Vandergrift.

Planting Calendar for Trachelium

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

Since trachelium require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant trachelium in Vandergrift 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. Any later than that and your trachelium may not have a chance to really do well. 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 April 15 in Vandergrift. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Vandergrift may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Vandergrift you get a frost after April 15 so make sure that you are prepared to protect your trachelium if you have a late frost.

USDA Zone Info for Vandergrift

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Vandergrift

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