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.

The USDA zone info for Covington can be read to estimate when it's possible to plant skullcap.

Planting Calendar for Skullcap

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

You should not plant skullcap until after the last frost because they do not do well in cold weather.

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

Last Frost Date

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

Since the USDA zone info for Covington is just an average the actual date of last frost is different every year. Half of the time in Covington you get a frost after April 15 so just be sure to be ready to protect your skullcap in the event of a late frost.

USDA Zone Info for Covington

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Covington

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