The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Bridge City you can determine when to plant nierembergia by looking at the USDA zone info.

Planting Calendar for Nierembergia

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

It's probably not a good idea to plant nierembergia until after the last frost because they are not cold tolerant.

The earliest that you can plant nierembergia in Bridge City 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 nierembergia and expect a good harvest is probably September. If you wait any later than that and your nierembergia may not have a chance to fully mature. Starting your nierembergia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Bridge City. You should expect an average low temperature of 20°F in the coldest months of winter.

Remember that USDA zone info for Bridge City is not always accurate and the actual date of last frost is different every year. Since half of the time in Bridge City there is a last frost after February 15 be ready to protect your nierembergia in the event of one of those late frosts.

USDA Zone Info for Bridge City

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 Bridge City

You may be interested in your other planting guides for Bridge City.