When can I plant Calla Lily in Evanston, IL

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

A way of figuring out when it's a good idea to plant calla lily is to consult the USDA zone info for Evanston.


Planting Calendar for Calla Lily

Frost tolerance for calla lily: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

Since calla lily require warm weather you have to wait until after the last frost before you can plant them.

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

The earliest that you can plant calla lily 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 calla lily and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calla lily may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your calla lily indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Evanston is just an average and our actual date of last frost changes from year to year. Half of the time in Evanston we get a frost after April 15 so be sure to be ready to protect your calla lily 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.