One of the first steps you take when you are figuring out 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.

You can figure out when it's a good idea to plant liatris in Steubenville by reviewing 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 quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant liatris in Steubenville 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 really do well. Starting your liatris indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Steubenville. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Steubenville is not always accurate the actual date of last frost is different every year. Since half of the time in Steubenville you get surprised by a frost after April 15 be ready to protect your liatris if you have a surprise late frost.

USDA Zone Info for Steubenville

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 Steubenville

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