One of the first steps you take when you are determining 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.

A common way of determining when to plant lisianthus is to consult the USDA zone info for Jeffersonville.

Planting Calendar for Lisianthus

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

Lisianthus require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant lisianthus in Jeffersonville 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. If you are starting your lisianthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Jeffersonville. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Jeffersonville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Jeffersonville it frosts late in the year after April 15 so be sure to be ready to protect your lisianthus if you have a late frost.

USDA Zone Info for Jeffersonville

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 Jeffersonville

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