The USDA Zone info is a great tool for gardeners to help us determine 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.

It's a good idea to determine when it's the best time to plant skullcap by looking at the USDA zone info for Wynne.

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 you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant skullcap in Wynne 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 fully mature. You can get started a couple of weeks earlier by starting your skullcap indoors.

Last Frost Date

The average date of last frost is April 15 in Wynne. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Wynne is an average the actual date of last frost will vary from year to year. Since half of the time in Wynne last frost occurs after April 15 be ready to cover your skullcap in the event of a surprise late frost.

USDA Zone Info for Wynne

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 Wynne

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