One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's a good idea to plant torenia is to examine the USDA zone info for Shelbyville.

Planting Calendar for Torenia

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

It's not a good idea to plant torenia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant torenia in Shelbyville 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 few weeks earlier by starting your torenia indoors.

Last Frost Date

In Shelbyville the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Shelbyville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Shelbyville you get surprised by a frost after April 15 be ready to protect your torenia in the event of a surprise late frost.

USDA Zone Info for Shelbyville

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 Shelbyville

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