One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant tithonia is to examine the USDA zone info for Breaux Bridge.

Planting Calendar for Tithonia

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

It's probably a bad idea to plant tithonia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant tithonia in Breaux Bridge 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 tithonia and expect a good harvest is probably September. If you wait any later than that and your tithonia may not have a chance to grow to maturity. If you are starting your tithonia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Breaux Bridge and it is different every year. Half of the time in Breaux Bridge there is a last frost after February 15 so just be sure to be ready to protect your tithonia in the event of a surprise late frost.

USDA Zone Info for Breaux Bridge

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 Breaux Bridge

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