Before planting it is a good idea to find your USDA Zone info to determine 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.

In Corpus Christi you can determine when it's the best time to plant tagetes by looking at the USDA zone info.

Planting Calendar for Tagetes

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

Since tagetes require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tagetes in Corpus Christi 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 tagetes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tagetes may not have a chance to fully mature. If you are starting your tagetes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Corpus Christi. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Corpus Christi is just an average the actual date of last frost is different every year. Since half of the time in Corpus Christi it frosts late in the year after February 15 be ready to protect your tagetes in the event of a late frost.

USDA Zone Info for Corpus Christi

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Corpus Christi

You may be interested in your other planting guides for Corpus Christi.