One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant begonias in Placentia should be determined by checking out the USDA zone info.

Planting Calendar for Begonias

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

You really shouldn't plant begonias until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant begonias in Placentia 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 begonias and expect a good harvest is probably September. Any later than that and your begonias may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

The average date of last frost is January 31 in Placentia. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Placentia and it will vary from year to year. Since half of the time in Placentia last frost occurs after January 31 be ready to protect your begonias in the event of a late frost.

USDA Zone Info for Placentia

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 Placentia

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