One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when to plant scutellaria is to refer to the USDA zone info for Clarksville.

Planting Calendar for Scutellaria

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

It's not a good idea to plant scutellaria until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant scutellaria 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 scutellaria and expect a good harvest is probably August. Any later than that and your scutellaria may not have a chance to really do well. If you are starting your scutellaria indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clarksville. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Clarksville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Clarksville it frosts late in the year after April 15 so be sure to be ready to cover your scutellaria if you have a late frost.

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.