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 referring to the USDA zone info for Southfield it's a good idea to determine when it's possible to plant trachelium.

Planting Calendar for Trachelium

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

You should 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 Southfield 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 really do well. You can get started a couple of weeks earlier by starting your trachelium indoors.

Last Frost Date

The average date of last frost is April 15 in Southfield. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Southfield is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Southfield you get surprised by a frost after April 15 so make sure that you are ready to cover your trachelium if you have one of those late frosts.

USDA Zone Info for Southfield

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 Southfield

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