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.

It's possible to figure out when it's a good idea to plant asters by reviewing the USDA zone info for Mundelein.

Planting Calendar for Asters

Frost tolerance for asters:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Asters are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant asters in Mundelein is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asters and expect a good harvest is probably September. If you wait any later than that and your asters may not have a chance to really do well. Starting your asters indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Mundelein may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Mundelein last frost occurs after April 15 so always be ready to cover your asters in the event of a late frost.

USDA Zone Info for Mundelein

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 Mundelein

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