One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

You will be able to estimate when it's the best time to plant torenia by looking at the USDA zone info for Penns Grove.

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 when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant torenia in Penns Grove 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 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

In Penns Grove the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Penns Grove may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Penns Grove it frosts late in the year after April 15 be ready to protect your torenia in the event of a surprise late frost.

USDA Zone Info for Penns Grove

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 Penns Grove

You may be interested in your other planting guides for Penns Grove.