The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when to plant zinnia is to use the USDA zone info for Bridge City.

Planting Calendar for Zinnia

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

You really shouldn't plant zinnia until after the last frost because they require warm weather.

The earliest that you can plant zinnia 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 zinnia and expect a good harvest is probably September. If you wait any later than that and your zinnia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your zinnia indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Bridge City. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Bridge City may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Bridge City it frosts late in the year after February 15 be ready to cover your zinnia if you have a surprise late frost.

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.