Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Waite Park you can figure out when you can plant trachelium by referring to the USDA zone info.

Planting Calendar for Trachelium

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

Trachelium require warm weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trachelium in Waite Park is May. However, you really should wait until June 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 grow to maturity. If you are starting your trachelium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Waite Park. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Waite Park is an average the actual date of last frost will vary from year to year. Half of the time in Waite Park there is a last frost after May 15 so make sure that you are ready to protect your trachelium in the event of one of those late frosts.

USDA Zone Info for Waite Park

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Waite Park

You may be interested in your other planting guides for Waite Park.