When to Plant Trachelium in Evanston, IL

One of the first steps you take when you are getting a good idea 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.

The first opportunity to plant trachelium in Evanston can be estimated 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 are not cold tolerant which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant trachelium
Possibly ok, but a risky time to plant trachelium
Probably not a good time to plant trachelium

The earliest that you can plant trachelium in Evanston 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. Any later than that and your trachelium may not have a chance to really do well. 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

In Evanston the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Evanston is just an average and the actual date of last frost will vary from year to year. Half of the time in Evanston there is a last frost after April 15 so always be ready to protect your trachelium if you have a late frost.

USDA Zone Info for Evanston

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 Evanston

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