One of the first steps you take when you are figuring out your gardening schedule is find your 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 first opportunity to plant torenia in Clearlake can be determined by reviewing the USDA zone info.

Planting Calendar for Torenia

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

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 Clearlake is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant torenia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your torenia may not have a chance to fully mature. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Clearlake. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Clearlake is an average the actual date of last frost is different every year. Since half of the time in Clearlake there is a last frost after March 15 be ready to cover your torenia if you have one of those late frosts.

USDA Zone Info for Clearlake

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Clearlake

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