The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Starke it's possible to figure out when it's possible to plant tithonia.

Planting Calendar for Tithonia

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

Since tithonia are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tithonia in Starke 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. Any later than that and your tithonia may not have a chance to fully mature. Starting your tithonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Starke is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Starke it frosts late in the year after February 15 so just be sure to be ready to protect your tithonia in the event of one of those late frosts.

USDA Zone Info for Starke

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 Starke

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