Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant scutellaria is to examine the USDA zone info for Granite City.

Planting Calendar for Scutellaria

Frost tolerance for scutellaria:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant scutellaria until after all chance of frost has passed because they are not cold tolerant.

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

Last Frost Date

On average the last frost is on April 15 in Granite City. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Granite City may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Granite City there is a last frost after April 15 be ready to cover your scutellaria if you have one of those late frosts.

USDA Zone Info for Granite City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Granite City

You may be interested in your other planting guides for Granite City.