Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant four o' clock in Islamorada should be determined by checking out the USDA zone info.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Four O' Clock do not do well in cold weather which means that it is important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant four o' clock 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 four o' clock and expect a good harvest is probably November. Any later than that and your four o' clock may not have a chance to grow to maturity. Starting your four o' clock indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Islamorada is just an average and the actual date of last frost changes from year to year. Since it never frosts in Islamorada you do not have to be ready to protect your four o' clock 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.