One of the best tools that you have as gardeners to help us determine 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.

The best time to plant torenia in College Park should be figured out by using the USDA zone info.

Planting Calendar for Torenia

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

You really shouldn't plant torenia until after the last frost because they require warm weather.

The earliest that you can plant torenia in College Park 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 grow to maturity. If you are starting your torenia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in College Park. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for College Park is an average the actual date of last frost will vary from year to year. Since half of the time in College Park it frosts late in the year after April 15 be ready to cover your torenia in the event of one of those late frosts.

USDA Zone Info for College Park

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in College Park

You may be interested in your other planting guides for College Park.