Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 thunbergia in Saraland by using the USDA zone info.

Planting Calendar for Thunbergia

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

Thunbergia are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant thunbergia in Saraland 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 thunbergia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your thunbergia may not have a chance to grow to maturity. Starting your thunbergia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on March 15 in Saraland. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Saraland is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Saraland you get a frost after March 15 so just be sure to be ready to cover your thunbergia if you have a late frost.

USDA Zone Info for Saraland

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 Saraland

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