Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when it's possible to plant lisianthus is to refer to the USDA zone info for Erlanger.

Planting Calendar for Lisianthus

Frost tolerance for lisianthus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Lisianthus do not do well in cold weather which means that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant lisianthus in Erlanger 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. If you wait any later than that and your lisianthus may not have a chance to really do well. You can get started a few weeks earlier by starting your lisianthus indoors.

Last Frost Date

The average date of last frost is April 15 in Erlanger. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Erlanger may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Erlanger you get a frost after April 15 so just be sure to be ready to protect your lisianthus in the event of a surprise late frost.

USDA Zone Info for Erlanger

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Erlanger

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