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.

The USDA zone info for Fountain Valley should be reviewed to estimate when it's a good idea to plant begonias.

Planting Calendar for Begonias

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

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

The earliest that you can plant begonias in Fountain Valley 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. If you wait any later than that and your begonias may not have a chance to really do well. You can get started a little bit earlier by starting your begonias indoors.

Last Frost Date

The average date of last frost is January 31 in Fountain Valley. You can expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Fountain Valley and it is different every year. Half of the time in Fountain Valley it frosts late in the year after January 31 so just be sure to be ready to protect your begonias if you have a late frost.

USDA Zone Info for Fountain Valley

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 Fountain Valley

You may be interested in your other planting guides for Fountain Valley.