The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hayward you can figure out when to plant bougainvillea by referring to the USDA zone info.

Planting Calendar for Bougainvillea

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

Since bougainvillea do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant bougainvillea in Hayward 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 fully mature. Starting your bougainvillea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Hayward and it is different every year. Half of the time in Hayward last frost occurs after January 31 so make sure that you are ready to cover your bougainvillea in the event of a late frost.

USDA Zone Info for Hayward

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 Hayward

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