The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant trachelium is to check out the USDA zone info for Flossmoor.

Planting Calendar for Trachelium

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

It's a bad idea to plant trachelium until after the last frost because they require warm weather.

The earliest that you can plant trachelium in Flossmoor 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 few weeks earlier by starting your trachelium indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Flossmoor. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Flossmoor may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Flossmoor you get surprised by a frost after April 15 be ready to protect your trachelium if you have a surprise late frost.

USDA Zone Info for Flossmoor

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Flossmoor

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