One of the best tools that you have as gardeners to help us estimate 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.

A way of getting a good idea when it's a good idea to plant scutellaria is to check out the USDA zone info for Wilmette.

Planting Calendar for Scutellaria

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

You can not plant scutellaria until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant scutellaria in Wilmette 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. You probably don't want to wait any later than that or else your scutellaria may not have a chance to really do well. Starting your scutellaria 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 Wilmette. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Wilmette is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Wilmette it frosts late in the year after April 15 be ready to cover your scutellaria if you have a late frost.

USDA Zone Info for Wilmette

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 Wilmette

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