One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant bougainvillea in Imperial Beach by using the USDA zone info.

Planting Calendar for Bougainvillea

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

Bougainvillea do not do well in cold weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant bougainvillea in Imperial Beach 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. Any later than that and your bougainvillea may not have a chance to really do well. Starting your bougainvillea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Imperial Beach is an average and the actual date of last frost is different every year. Since half of the time in Imperial Beach it frosts late in the year after January 31 be ready to protect your bougainvillea if you have a late frost.

USDA Zone Info for Imperial Beach

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 Imperial Beach

You may be interested in your other planting guides for Imperial Beach.