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

A common way of figuring out when it's a good idea to plant torenia is to consult the USDA zone info for Fullerton.

Planting Calendar for Torenia

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

Since torenia do not do well in cold weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant torenia in Fullerton 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 torenia and expect a good harvest is probably September. Any later than that and your torenia may not have a chance to really do well. Starting your torenia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Fullerton is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Fullerton you get surprised by a frost after January 31 so just be sure to be ready to protect your torenia if you have a late frost.

USDA Zone Info for Fullerton

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 Fullerton

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