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

The USDA zone info for Rantoul can be looked at to figure out when you can plant didiscus.

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.

You can plant didiscus a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant didiscus in Rantoul 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. If you are starting your didiscus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Rantoul. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Rantoul is not always accurate and the actual date of last frost is different every year. Since half of the time in Rantoul it frosts late in the year after April 15 be ready to cover your didiscus if you have a surprise late frost.

USDA Zone Info for Rantoul

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 Rantoul

You may be interested in your other planting guides for Rantoul.