One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Glendale Heights should be reviewed to determine when it's possible to plant mecardonia.

Planting Calendar for Mecardonia

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

It's probably a bad idea to plant mecardonia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant mecardonia in Glendale Heights 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. If you wait any later than that and your mecardonia may not have a chance to fully mature. You can get started a few weeks earlier by starting your mecardonia indoors.

Last Frost Date

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

Since the USDA zone info for Glendale Heights is not always accurate the actual date of last frost is different every year. Half of the time in Glendale Heights it frosts late in the year after April 15 so be sure to be ready to cover your mecardonia if you have a surprise late frost.

USDA Zone Info for Glendale 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 Glendale Heights

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