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.

It's a good idea to estimate when to plant bougainvillea by checking out the USDA zone info for Beaverton.

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 necessary 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 Beaverton is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant bougainvillea and expect a good harvest is probably August. Any later than that and your bougainvillea may not have a chance to grow to maturity. Starting your bougainvillea indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Beaverton. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Beaverton is not always accurate the actual date of last frost will vary from year to year. Half of the time in Beaverton it frosts late in the year after March 15 so make sure that you are prepared to protect your bougainvillea if you have a surprise late frost.

USDA Zone Info for Beaverton

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Beaverton

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