One of the first steps you take when you are determining 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.

The best time to plant digitalis in Clarksville can be estimated by referring to the USDA zone info.

Planting Calendar for Digitalis

Frost tolerance for digitalis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Digitalis are moderately cold tolerant which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant digitalis in Clarksville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant digitalis and expect a good harvest is probably September. Any later than that and your digitalis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is April 15 in Clarksville. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Clarksville is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Clarksville there is a last frost after April 15 so make sure that you are ready to cover your digitalis 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.