The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant lisianthus is to look at the USDA zone info for Corbin.

Planting Calendar for Lisianthus

Frost tolerance for lisianthus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant lisianthus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant lisianthus in Corbin is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lisianthus and expect a good harvest is probably August. Any later than that and your lisianthus may not have a chance to fully mature. Starting your lisianthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Corbin. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Corbin may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Corbin you get a frost after April 15 so make sure that you are prepared to protect your lisianthus in the event of one of those late frosts.

USDA Zone Info for Corbin

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 Corbin

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