When can I plant Thunbergia in Zone 13b

One of the first steps we take when we are getting a good idea our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

In Zone 13b you can figure out when it's the best time to plant thunbergia by referring to the USDA zone info.


Planting Calendar for Thunbergia

Frost tolerance for thunbergia: Not tolerant of frost.
When you should plant them: After the last frost has passed.

Thunbergia are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant thunbergia in Zone 13b 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 thunbergia and expect a good harvest is probably November. If you wait any later than that and your thunbergia may not have a chance to really do well. Starting your thunbergia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 13b it never frosts. In the coldest months of winter we can expect an average low temperature of 65°F.

Since the USDA zone info for Zone 13b is just an average our actual date of last frost changes from year to year. Since it never frosts in Zone 13b you do not have to be ready to protect your thunbergia in the event of a surprise late frost.

USDA Zone Info for Zone 13b

Here is the info for USDA Zone 13b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low65°F
Highest Expected Low70°F

This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.

Plants to Grow in Zone 13b

You may be interested in our other planting guides for Zone 13b.