Before planting it is a good idea to find your USDA Zone info to determine your garden 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 making a decision about when to plant lisianthus is to refer to the USDA zone info for Lafayette.

Planting Calendar for Lisianthus

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

Lisianthus require warm weather which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant lisianthus in Lafayette 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 grow to maturity. You can get started a little bit earlier by starting your lisianthus indoors.

Last Frost Date

On average the last frost is on April 15 in Lafayette. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Lafayette is not always accurate and the actual date of last frost is different every year. Half of the time in Lafayette you get surprised by a frost after April 15 so just be sure to be ready to protect your lisianthus if you have a late frost.

USDA Zone Info for Lafayette

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 Lafayette

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