When can I plant Dipladenia in Zone 11a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can figure out when it's a good idea to plant dipladenia in Zone 11a by referring to the USDA zone info.


Planting Calendar for Dipladenia

Frost tolerance for dipladenia: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

It's probably not a good idea to plant dipladenia until after the last frost when the weather gets warmer because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant dipladenia
Possibly ok, but a risky time to plant dipladenia
Probably not a good time to plant dipladenia

The earliest that you can plant dipladenia in Zone 11a 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. If you wait any later than that and your dipladenia may not have a chance to really do well. Starting your dipladenia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 11a it never frosts. We should expect an average low temperature of 40°F in the coldest months of winter.

Since the USDA zone info for Zone 11a is just an average our actual date of last frost changes from year to year. Since it never frosts in Zone 11a you do not have to be ready to cover your dipladenia if we have a late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°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 Zone 11a

You may be interested in our other planting guides for Zone 11a.