One of the first steps you take when you are estimating 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.

A way of estimating when to plant torenia is to consult the USDA zone info for Deridder.

Planting Calendar for Torenia

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

Since torenia are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant torenia in Deridder 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 couple of weeks earlier by starting your torenia indoors.

Last Frost Date

The average date of last frost is March 15 in Deridder. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Deridder 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 Deridder you get surprised by a frost after March 15 be ready to cover your torenia if you have one of those late frosts.

USDA Zone Info for Deridder

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Deridder

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