One of the first steps you take when you are figuring out 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 should be able to figure out when to plant scutellaria by checking out the USDA zone info for Glenwood.

Planting Calendar for Scutellaria

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

Scutellaria do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant scutellaria in Glenwood 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 fully mature. You can get started a couple of weeks earlier by starting your scutellaria indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Glenwood. You should expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Glenwood may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Glenwood you get a frost after April 15 so be sure to be ready to cover your scutellaria in the event of a surprise late frost.

USDA Zone Info for Glenwood

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Glenwood

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