The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's possible to plant scutellaria is to use the USDA zone info for Henderson.

Planting Calendar for Scutellaria

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

It's not a good idea to plant scutellaria until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant scutellaria in Henderson 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

On average all chance of frost has passed is on March 15 in Henderson. You can expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Henderson is not always accurate and the actual date of last frost is different every year. Half of the time in Henderson you get a frost after March 15 so always be ready to cover your scutellaria in the event of a surprise late frost.

USDA Zone Info for Henderson

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 Henderson

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