One of the first steps you take when you are estimating 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 USDA zone info for Canton can be reviewed to determine when it's possible to plant torenia.

Planting Calendar for Torenia

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

It's a bad idea to plant torenia until after the last frost because they are not cold tolerant.

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

Last Frost Date

On average all chance of frost has passed is on March 15 in Canton. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Canton is an average the actual date of last frost is different every year. Since half of the time in Canton you get surprised by a frost after March 15 be ready to cover your torenia if you have a late frost.

USDA Zone Info for Canton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Canton

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