Before planting it is a good idea to find your USDA Zone info to estimate 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.

By using the USDA zone info for Oak Brook you should be able to estimate when you can plant abutilon.

Planting Calendar for Abutilon

Frost tolerance for abutilon:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant abutilon until after all chance of frost has passed because they require warm weather.

The earliest that you can plant abutilon in Oak Brook 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 abutilon and expect a good harvest is probably August. If you wait any later than that and your abutilon may not have a chance to grow to maturity. Starting your abutilon indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Oak Brook and it changes from year to year. Since half of the time in Oak Brook there is a last frost after April 15 be ready to protect your abutilon in the event of a late frost.

USDA Zone Info for Oak Brook

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 Oak Brook

You may be interested in your other planting guides for Oak Brook.