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.

By checking out the USDA zone info for Robertsdale it's a good idea to estimate when you can plant torenia.

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 when the weather gets warmer before you can plant them.

The earliest that you can plant torenia in Robertsdale 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 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 Robertsdale. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Robertsdale is an average the actual date of last frost will vary from year to year. Half of the time in Robertsdale it frosts late in the year after March 15 so make sure that you are ready to protect your torenia in the event of one of those late frosts.

USDA Zone Info for Robertsdale

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 Robertsdale

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