One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when you can plant lisianthus by looking at the USDA zone info for Islamorada.

Planting Calendar for Lisianthus

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

You should 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 Islamorada is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant lisianthus and expect a good harvest is probably November. If you wait 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

In Islamorada it never frosts. You should expect an average low temperature of 40°F in the coldest months of winter.

Since the USDA zone info for Islamorada is just an average the actual date of last frost can change quite a bit from year to year. Since it never frosts in Islamorada you do not have to be ready to cover your lisianthus in the event of a late frost.

USDA Zone Info for Islamorada

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Islamorada

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