One of the first steps you take when you are getting a good idea 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.

You will be able to estimate when it's the best time to plant scutellaria by looking at the USDA zone info for Wausau.

Planting Calendar for Scutellaria

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

It's a bad idea to plant scutellaria until after the last frost has passed because they require warm weather.

The earliest that you can plant scutellaria in Wausau 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 scutellaria and expect a good harvest is probably August. Any later than that and your scutellaria may not have a chance to fully mature. Starting your scutellaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Wausau. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Wausau is an average and the actual date of last frost is different every year. Since half of the time in Wausau it frosts late in the year after May 15 be ready to protect your scutellaria if you have a late frost.

USDA Zone Info for Wausau

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Wausau

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