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

A way of determining when it's the best time to plant calla lily is to check out the USDA zone info for Morton Grove.

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.

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

The earliest that you can plant calla lily in Morton Grove 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 little bit earlier by starting your calla lily indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Morton Grove. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Morton Grove is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Morton Grove last frost occurs after April 15 be ready to cover your calla lily in the event of one of those late frosts.

USDA Zone Info for Morton Grove

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Morton Grove

You may be interested in your other planting guides for Morton Grove.