Before planting it is a good idea to find your USDA Zone info to figure out 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.

The best time to plant scutellaria in Diamond Bar should be estimated by reviewing the USDA zone info.

Planting Calendar for Scutellaria

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

Since scutellaria are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant scutellaria in Diamond Bar is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant scutellaria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scutellaria may not have a chance to grow to maturity. Starting your scutellaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Diamond Bar. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Diamond Bar may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Diamond Bar you get surprised by a frost after January 31 so make sure that you are prepared to protect your scutellaria in the event of a surprise late frost.

USDA Zone Info for Diamond Bar

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Diamond Bar

You may be interested in your other planting guides for Diamond Bar.