When can I plant Liatris in Palos Park, IL

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A way of figuring out when you can plant liatris is to check out the USDA zone info for Palos Park.


Planting Calendar for Liatris

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

Liatris can survive in a bit of cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant liatris
Possibly ok, but a risky time to plant liatris
Probably not a good time to plant liatris

The earliest that you can plant liatris in Palos 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. 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 when the weather gets warmer is on April 15 in Palos Park. In the coldest months of winter we should expect an average low temperature of -15°F.

Always keep in mind that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Palos Park and it can change quite a bit from year to year. Half of the time in Palos Park it frosts late in the year after April 15 so just be sure to be ready to protect your liatris in the event of a late frost.

USDA Zone Info for Palos 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 Palos Park

You may be interested in our other planting guides for Palos Park.