Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when to plant bougainvillea by reviewing the USDA zone info for Malibu.

Planting Calendar for Bougainvillea

Frost tolerance for bougainvillea:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Bougainvillea are not cold tolerant which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bougainvillea in Malibu is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant bougainvillea and expect a good harvest is probably September. If you wait any later than that and your bougainvillea may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bougainvillea indoors.

Last Frost Date

The average date of last frost is January 31 in Malibu. It might get as low as 35°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Malibu and it can change quite a bit from year to year. Since half of the time in Malibu you get surprised by a frost after January 31 be ready to protect your bougainvillea in the event of a surprise late frost.

USDA Zone Info for Malibu

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Malibu

You may be interested in your other planting guides for Malibu.