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.

It's possible to figure out when it's possible to plant scutellaria by reviewing the USDA zone info for Prescott.

Planting Calendar for Scutellaria

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

It's a bad idea to plant scutellaria until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant scutellaria in Prescott 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. Starting your scutellaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Prescott the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Prescott is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Prescott it frosts late in the year after April 15 be ready to protect your scutellaria in the event of a late frost.

USDA Zone Info for Prescott

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Prescott

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