One of the best tools that you have as gardeners to help us estimate 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.

One way of getting a good idea when you can plant tithonia is to look at the USDA zone info for Hialeah.

Planting Calendar for Tithonia

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

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

The earliest that you can plant tithonia in Hialeah is February. However, you really should wait until March 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. You probably don't want to wait any later than that or else your tithonia may not have a chance to grow to maturity. Starting your tithonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Hialeah. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Hialeah is not always accurate the actual date of last frost changes from year to year. Half of the time in Hialeah last frost occurs after January 31 so be sure to be ready to protect your tithonia if you have a surprise late frost.

USDA Zone Info for Hialeah

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hialeah

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