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.

The best time to plant steirodiscus in River Forest should be determined by reviewing the USDA zone info.

Planting Calendar for Steirodiscus

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

Steirodiscus are barely cold tolerant which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant steirodiscus in River Forest 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 steirodiscus and expect a good harvest is probably August. If you wait any later than that and your steirodiscus may not have a chance to really do well. You can get started a little bit earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is April 15 in River Forest. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that USDA zone info for River Forest may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in River Forest there is a last frost after April 15 be ready to cover your steirodiscus if you have one of those late frosts.

USDA Zone Info for River Forest

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 River Forest

You may be interested in your other planting guides for River Forest.