One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when you can plant scutellaria is to examine the USDA zone info for Keller.

Planting Calendar for Scutellaria

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

Scutellaria require warm weather which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant scutellaria in Keller 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 fully mature. If you are starting your scutellaria indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Keller. You should expect an average low temperature of 10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Keller may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Keller last frost occurs after March 15 be ready to protect your scutellaria if you have one of those late frosts.

USDA Zone Info for Keller

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Keller

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