One of the first steps you take when you are figuring out 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.

The earliest that you can plant skullcap in Canton can be figured out by reviewing the USDA zone info.

Planting Calendar for Skullcap

Frost tolerance for skullcap:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant skullcap until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant skullcap in Canton is May. However, you really should wait until June 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. You can get started a few weeks earlier by starting your skullcap indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Canton. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Canton is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Canton it frosts late in the year after May 15 so make sure that you are ready to cover your skullcap in the event of a late frost.

USDA Zone Info for Canton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Canton

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