One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Waseca should be reviewed to figure out when you can plant trachelium.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant trachelium until after the last frost has passed because they require warm weather.

The earliest that you can plant trachelium in Waseca 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 fully mature. You can get started a couple of weeks earlier by starting your trachelium indoors.

Last Frost Date

The average date of last frost is May 15 in Waseca. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Waseca is just an average the actual date of last frost will vary from year to year. Since half of the time in Waseca it frosts late in the year after May 15 be ready to cover your trachelium in the event of a late frost.

USDA Zone Info for Waseca

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Waseca

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