One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 making a decision about when it's the best time to plant tithonia is to check out the USDA zone info for Kenner.

Planting Calendar for Tithonia

Frost tolerance for tithonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Tithonia require warm weather which means that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant tithonia in Kenner 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 Kenner. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Kenner may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Kenner you get a frost after February 15 be ready to protect your tithonia in the event of one of those late frosts.

USDA Zone Info for Kenner

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 Kenner

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