One of the first steps you take when you are estimating your gardening schedule is find your 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.

The USDA zone info for Prescott can be reffered to in order to determine when it's the best time to plant scutellaria.

Planting Calendar for Scutellaria

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

Scutellaria do not do well in cold weather which tells us that it's important 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 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. If you wait any later than that and your scutellaria may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your scutellaria indoors.

Last Frost Date

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

Since the USDA zone info for Prescott may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Prescott there is a last frost after March 15 so just be sure to be ready to cover your scutellaria in the event of one of those late frosts.

USDA Zone Info for Prescott

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 Prescott

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