One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when you can plant skullcap by referring to the USDA zone info for East Peoria.

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

The earliest that you can plant skullcap in East Peoria 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. Starting your skullcap indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in East Peoria. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for East Peoria is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in East Peoria last frost occurs after April 15 be ready to protect your skullcap if you have a surprise late frost.

USDA Zone Info for East Peoria

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in East Peoria

You may be interested in your other planting guides for East Peoria.