When to Plant Calla Lily in Machesney Park, IL

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

You can estimate when it's the best time to plant calla lily in Machesney Park by referring to the USDA zone info.


Planting Calendar for Calla Lily

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

Calla Lily do not do well in cold weather which means that it is necessary to 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 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 Machesney Park 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. Any later than that and your calla lily may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calla lily indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Machesney Park. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Machesney Park and it can change quite a bit from year to year. Half of the time in Machesney Park you get surprised by a frost after April 15 so make sure that you are ready to cover your calla lily in the event of one of those late frosts.

USDA Zone Info for Machesney Park

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 Machesney Park

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