Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Danville you can figure out when you can plant skullcap by referring to the USDA zone info.

Planting Calendar for Skullcap

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

Since skullcap are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant skullcap in Danville 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. If you wait any later than that and your skullcap may not have a chance to grow to maturity. If you are starting your skullcap indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Danville. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Danville is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Danville you get a frost after April 15 be ready to cover your skullcap if you have a surprise late frost.

USDA Zone Info for Danville

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 Danville

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