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

You will be able to determine when you can plant bougainvillea by using the USDA zone info for Carlsbad.

Planting Calendar for Bougainvillea

Frost tolerance for bougainvillea:	Not tolerant of frost.
When to plant:	After the last frost.

Since bougainvillea require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bougainvillea in Carlsbad 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 really do well. If you are starting your bougainvillea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Carlsbad. You can expect an average low temperature of 30°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Carlsbad and it will vary from year to year. Since half of the time in Carlsbad you get a frost after January 31 be ready to cover your bougainvillea if you have one of those late frosts.

USDA Zone Info for Carlsbad

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Carlsbad

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