One of the first steps you take when you are making a decision about 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.

A common way of making a decision about when it's a good idea to plant calliopsis is to examine the USDA zone info for Islamorada.

Planting Calendar for Calliopsis

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

Calliopsis require warm weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant calliopsis 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 calliopsis and expect a good harvest is probably November. If you wait any later than that and your calliopsis may not have a chance to really do well. You can get started a couple of weeks earlier by starting your calliopsis indoors.

Last Frost Date

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

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Islamorada and it is different every year. Since it never frosts in Islamorada you do not have to be ready to cover your calliopsis in the event of one of those late frosts.

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.