One of the first steps you take when you are determining 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 earliest that you can plant liatris in Orland Park should be determined by referring to 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.

Liatris tend to make it in cold weather which means that you can plant them quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant liatris in Orland Park 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. If you wait any later than that and your liatris may not have a chance to grow to maturity. You can get started a little bit earlier by starting your liatris indoors.

Last Frost Date

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

Since the USDA zone info for Orland Park is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Orland Park there is a last frost after April 15 so be sure to be ready to cover your liatris in the event of a late frost.

USDA Zone Info for Orland Park

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 Orland Park

You may be interested in your other planting guides for Orland Park.