The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Massillon can be used to determine when you can plant skullcap.

Planting Calendar for Skullcap

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

Since skullcap are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant skullcap in Massillon 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. You probably don't want to wait any later than that or else 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Massillon. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Massillon may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Massillon you get surprised by a frost after April 15 so always be ready to cover your skullcap if you have a surprise late frost.

USDA Zone Info for Massillon

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Massillon

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