One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

It's a good idea to determine when it's the best time to plant dipladenia by referring to the USDA zone info for Key Biscayne.

Planting Calendar for Dipladenia

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

You can not plant dipladenia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant dipladenia in Key Biscayne 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 dipladenia and expect a good harvest is probably November. Any later than that and your dipladenia may not have a chance to fully mature. Starting your dipladenia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Key Biscayne and it can change quite a bit from year to year. Since it never frosts in Key Biscayne you do not have to be ready to protect your dipladenia in the event of a late frost.

USDA Zone Info for Key Biscayne

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 Key Biscayne

You may be interested in your other planting guides for Key Biscayne.