When can I plant Bougainvillea in Zone 12b

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The USDA zone info for Zone 12b can be used to determine when it's the best time to plant bougainvillea.


Planting Calendar for Bougainvillea

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

It's probably a bad idea to plant bougainvillea until after all chance of frost has passed 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 12b 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. You probably don't want to wait any later than that or else your bougainvillea may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your bougainvillea indoors.

Last Frost Date

In Zone 12b it never frosts. We should expect an average low temperature of 55°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 12b is an average and our actual date of last frost will vary from year to year. Since it never frosts in Zone 12b you do not have to be ready to protect your bougainvillea if we have a late frost.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in our other planting guides for Zone 12b.