One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's the best time to plant foxglove by reviewing the USDA zone info for Crossville.

Planting Calendar for Foxglove

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

Foxglove are moderately cold tolerant which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant foxglove in Crossville 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 foxglove and expect a good harvest is probably September. If you wait any later than that and your foxglove may not have a chance to grow to maturity. You can get started a little bit earlier by starting your foxglove indoors.

Last Frost Date

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

Since the USDA zone info for Crossville is not always accurate the actual date of last frost is different every year. Half of the time in Crossville you get a frost after April 15 so just be sure to be ready to cover your foxglove in the event of a surprise late frost.

USDA Zone Info for Crossville

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 Crossville

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