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.

The USDA zone info for Franklin should be reffered to in order to determine when it's a good idea to plant tithonia.

Planting Calendar for Tithonia

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

You can not plant tithonia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant tithonia in Franklin 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. If you wait 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 little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Franklin. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Franklin is an average the actual date of last frost changes from year to year. Since half of the time in Franklin you get a frost after April 15 be ready to cover your tithonia in the event of a surprise late frost.

USDA Zone Info for Franklin

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Franklin

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