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.

In Libertyville you can figure out when to plant liatris by checking out the USDA zone info.

Planting Calendar for Liatris

Frost tolerance for liatris:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant liatris a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant liatris in Libertyville 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 liatris and expect a good harvest is probably September. You probably don't want to wait any later than that or else your liatris may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your liatris indoors.

Last Frost Date

On average the last frost is on April 15 in Libertyville. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Libertyville 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 Libertyville it frosts late in the year after April 15 be ready to protect your liatris if you have a late frost.

USDA Zone Info for Libertyville

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 Libertyville

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