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.

In Colonial Heights you can figure out when it's a good idea to plant torenia by using the USDA zone info.

Planting Calendar for Torenia

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

Since torenia are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant torenia in Colonial Heights 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 fully mature. 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 April 15 in Colonial Heights. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Colonial Heights is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Colonial Heights you get surprised by a frost after April 15 be ready to protect your torenia if you have one of those late frosts.

USDA Zone Info for Colonial Heights

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Colonial Heights

You may be interested in your other planting guides for Colonial Heights.