One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 figuring out when it's possible to plant crassula is to look at the USDA zone info for Clarksville.

Planting Calendar for Crassula

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

Crassula require warm weather which means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant crassula 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 crassula and expect a good harvest is probably August. If you wait any later than that and your crassula may not have a chance to grow to maturity. Starting your crassula indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Clarksville. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Clarksville is an average the actual date of last frost is different every year. Since half of the time in Clarksville you get surprised by a frost after April 15 be ready to protect your crassula in the event of one of those late frosts.

USDA Zone Info for Clarksville

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Clarksville

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