The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when you can plant didiscus is to look at the USDA zone info for Chicago Heights.

Planting Calendar for Didiscus

Frost tolerance for didiscus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since didiscus are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant didiscus in Chicago Heights is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant didiscus and expect a good harvest is probably August. Any later than that and your didiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your didiscus indoors.

Last Frost Date

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

Since the USDA zone info for Chicago Heights is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Chicago Heights you get a frost after April 15 be ready to cover your didiscus in the event of one of those late frosts.

USDA Zone Info for Chicago Heights

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 Chicago Heights

You may be interested in your other planting guides for Chicago Heights.