When can I plant Bougainvillea in Zone 11a

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 11a can be used to figure out when it's possible to plant bougainvillea.


Planting Calendar for Bougainvillea

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

It's probably not a good idea to plant bougainvillea until after the last frost because they are not cold tolerant.

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

The earliest that you can plant bougainvillea 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 bougainvillea and expect a good harvest is probably November. Any later than that and your bougainvillea may not have a chance to fully mature. If you are starting your bougainvillea indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Zone 11a is an average and our actual date of last frost will vary from year to year. Since it never frosts in Zone 11a you do not have to be ready to cover your bougainvillea if we have one of those late frosts.

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.