One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when it's possible to plant liatris by reviewing the USDA zone info for Wilmore.

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 do well in cold.

The earliest that you can plant liatris in Wilmore 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 grow to maturity. If you are starting your liatris indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Wilmore. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Wilmore may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Wilmore you get surprised by a frost after April 15 so be sure to be ready to protect your liatris in the event of one of those late frosts.

USDA Zone Info for Wilmore

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Wilmore

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