Before planting it is a good idea to find your USDA Zone info to estimate 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 Glendale should be used to figure out when it's a good idea to plant torenia.

Planting Calendar for Torenia

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

It's not a good idea to plant torenia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant torenia in Glendale 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 grow to maturity. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

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

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Glendale and it will vary from year to year. Half of the time in Glendale you get a frost after January 31 so always be ready to cover your torenia in the event of a late frost.

USDA Zone Info for Glendale

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 Glendale

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