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.

A way of making a decision about when it's a good idea to plant plectranthus is to use the USDA zone info for Clarksville.

Planting Calendar for Plectranthus

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

Since plectranthus require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant plectranthus in Clarksville 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 plectranthus and expect a good harvest is probably August. Any later than that and your plectranthus may not have a chance to really do well. You can get started a few weeks earlier by starting your plectranthus indoors.

Last Frost Date

In Clarksville the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Clarksville is an average and the actual date of last frost will vary from year to year. Half of the time in Clarksville you get surprised by a frost after April 15 so make sure that you are prepared to protect your plectranthus if you have one of those late frosts.

USDA Zone Info for Clarksville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Clarksville

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