Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when you can plant scutellaria is to use the USDA zone info for Coal City.

Planting Calendar for Scutellaria

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

Since scutellaria require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant scutellaria in Coal City 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 scutellaria and expect a good harvest is probably August. Any later than that and your scutellaria may not have a chance to really do well. You can get started a little bit earlier by starting your scutellaria indoors.

Last Frost Date

In Coal City the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Coal City is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Coal City last frost occurs after April 15 so always be ready to cover your scutellaria if you have a late frost.

USDA Zone Info for Coal City

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 Coal City

You may be interested in your other planting guides for Coal City.