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

A way of figuring out when it's a good idea to plant bougainvillea is to use the USDA zone info for West Richland.

Planting Calendar for Bougainvillea

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

You should not plant bougainvillea until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant bougainvillea in West Richland 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. You probably don't want to wait any later than that or else your bougainvillea may not have a chance to really do well. You can get started a few weeks earlier by starting your bougainvillea indoors.

Last Frost Date

The average date of last frost is April 15 in West Richland. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for West Richland is not always accurate the actual date of last frost will vary from year to year. Since half of the time in West Richland you get surprised by a frost after April 15 be ready to cover your bougainvillea in the event of a late frost.

USDA Zone Info for West Richland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in West Richland

You may be interested in your other planting guides for West Richland.