When can I plant Evolvulus in Evanston, IL

Before planting it is a good idea to find our USDA Zone info to determine our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By referring to the USDA zone info for Evanston it's a good idea to figure out when you can plant evolvulus.


Planting Calendar for Evolvulus

Frost tolerance for evolvulus: Not tolerant of frost.
When you should plant them: After the last frost.

Since evolvulus require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant evolvulus 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 evolvulus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your evolvulus may not have a chance to fully mature. Starting your evolvulus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Evanston. In the coldest months of winter we should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Evanston is not always accurate and our actual date of last frost will vary from year to year. Half of the time in Evanston we get surprised by a frost after April 15 so be sure to be ready to protect your evolvulus if we 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 our other planting guides for Evanston.