Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's a good idea to plant tropical hibiscus in Franklin by using the USDA zone info.

Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since tropical hibiscus are not cold tolerant you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tropical hibiscus 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 tropical hibiscus and expect a good harvest is probably August. If you wait any later than that and your tropical hibiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your tropical hibiscus indoors.

Last Frost Date

On average the last frost is on April 15 in Franklin. In the coldest months of winter you should expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Franklin is not always accurate and the actual date of last frost changes from year to year. Half of the time in Franklin you get surprised by a frost after April 15 so just be sure to be ready to cover your tropical hibiscus in the event of one of those late frosts.

USDA Zone Info for Franklin

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Franklin

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