Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's possible to plant tithonia is to look at the USDA zone info for Tallahassee.

Planting Calendar for Tithonia

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

It's not a good idea to plant tithonia until after the last frost because they do not do well in cold weather.

The earliest that you can plant tithonia in Tallahassee is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tithonia and expect a good harvest is probably August. Any later than that and your tithonia may not have a chance to really do well. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Tallahassee. You can expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Tallahassee is just an average and the actual date of last frost changes from year to year. Half of the time in Tallahassee you get a frost after March 15 so just be sure to be ready to cover your tithonia in the event of a surprise late frost.

USDA Zone Info for Tallahassee

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Tallahassee

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