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.

The best time to plant thunbergia in Lake Jackson can be figured out by looking at the USDA zone info.

Planting Calendar for Thunbergia

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

Since thunbergia require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant thunbergia in Lake Jackson is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant thunbergia and expect a good harvest is probably September. Any later than that and your thunbergia may not have a chance to really do well. If you are starting your thunbergia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Lake Jackson. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Lake Jackson is an average the actual date of last frost will vary from year to year. Since half of the time in Lake Jackson you get surprised by a frost after February 15 be ready to cover your thunbergia in the event of one of those late frosts.

USDA Zone Info for Lake Jackson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Lake Jackson

You may be interested in your other planting guides for Lake Jackson.