Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant thunbergia is to use the USDA zone info for Vineland.

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 have to wait until after the last frost before you can plant them.

The earliest that you can plant thunbergia in Vineland 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. Any later than that and your thunbergia may not have a chance to really do well. You can get started a little bit earlier by starting your thunbergia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Vineland. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Vineland may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Vineland you get surprised by a frost after April 15 so just be sure to be ready to protect your thunbergia if you have one of those late frosts.

USDA Zone Info for Vineland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Vineland

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