The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's a good idea to plant thunbergia by referring to the USDA zone info for Olive Branch.

Planting Calendar for Thunbergia

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

Thunbergia require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant thunbergia in Olive Branch 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. If you wait any later than that and your thunbergia may not have a chance to really do well. Starting your thunbergia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Olive Branch. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Olive Branch is just an average the actual date of last frost changes from year to year. Half of the time in Olive Branch last frost occurs after April 15 so be sure to be ready to cover your thunbergia if you have a surprise late frost.

USDA Zone Info for Olive Branch

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Olive Branch

You may be interested in your other planting guides for Olive Branch.