One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant trachelium by referring to the USDA zone info for Traverse City.

Planting Calendar for Trachelium

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

You should not plant trachelium until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant trachelium in Traverse City 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 grow to maturity. Starting your trachelium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Traverse City. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Traverse City and it is different every year. Since half of the time in Traverse City last frost occurs after April 15 be ready to cover your trachelium if you have a surprise late frost.

USDA Zone Info for Traverse City

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 Traverse City

You may be interested in your other planting guides for Traverse City.