One of the first steps you take when you are making a decision about 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.

In Carlisle you can determine when to plant torenia by checking out 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.

You should not plant torenia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant torenia in Carlisle 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. Starting your torenia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Carlisle. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Carlisle is an average the actual date of last frost will vary from year to year. Since half of the time in Carlisle it frosts late in the year after April 15 be ready to cover your torenia if you have a surprise late frost.

USDA Zone Info for Carlisle

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 Carlisle

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