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.

You can determine when you can plant torenia in Rexburg by looking at 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 do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant torenia in Rexburg 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 fully mature. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

The average date of last frost is April 15 in Rexburg. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Rexburg is an average the actual date of last frost is different every year. Since half of the time in Rexburg 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 Rexburg

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rexburg

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