The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's possible to plant liatris is to look at the USDA zone info for Clinton.

Planting Calendar for Liatris

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

Liatris do ok in quite a bit of cold which means that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant liatris in Clinton 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. Any later than that and your liatris may not have a chance to fully mature. Starting your liatris indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Clinton the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Clinton is not always accurate the actual date of last frost is different every year. Half of the time in Clinton you get a frost after April 15 so make sure that you are ready to cover your liatris in the event of a late frost.

USDA Zone Info for Clinton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Clinton

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