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

One way of determining when you can plant torenia is to consult the USDA zone info for Christiansburg.

Planting Calendar for Torenia

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

You should not plant torenia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant torenia in Christiansburg 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. Any later than that and your torenia may not have a chance to really do well. If you are starting your torenia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Christiansburg. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Christiansburg may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Christiansburg last frost occurs after April 15 so make sure that you are prepared to protect your torenia in the event of one of those late frosts.

USDA Zone Info for Christiansburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Christiansburg

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