Before planting it is a good idea to find your USDA Zone info to figure out 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.

By looking at the USDA zone info for Marianna you will be able to figure out when you can plant lisianthus.

Planting Calendar for Lisianthus

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

Since lisianthus require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant lisianthus in Marianna 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 fully mature. You can get started a few weeks earlier by starting your lisianthus indoors.

Last Frost Date

In Marianna the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Keep in mind that USDA zone info for Marianna is just an average and the actual date of last frost is different every year. Half of the time in Marianna you get surprised by a frost after March 15 so make sure that you are ready to cover your lisianthus if you have one of those late frosts.

USDA Zone Info for Marianna

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Marianna

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