The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Zone 8b you should be able to determine when it's possible to plant scutellaria.

Planting Calendar for Scutellaria

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

Since scutellaria do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant scutellaria in Zone 8b 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 grow to maturity. If you are starting your scutellaria indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Zone 8b. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Zone 8b is an average and the actual date of last frost changes from year to year. Half of the time in Zone 8b you get surprised by a frost after March 15 so make sure that you are ready to cover your scutellaria if you have a surprise late frost.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Zone 8b

You may be interested in your other planting guides for Zone 8b.