One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant mecardonia by reviewing the USDA zone info for Oak Brook.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant mecardonia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant mecardonia 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 mecardonia and expect a good harvest is probably August. Any later than that and your mecardonia may not have a chance to really do well. Starting your mecardonia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Oak Brook. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Oak Brook is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Oak Brook you get a frost after April 15 be ready to cover your mecardonia if you have a surprise 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.