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.

One way of estimating when to plant scutellaria is to examine the USDA zone info for El Cajon.

Planting Calendar for Scutellaria

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

Since scutellaria require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant scutellaria in El Cajon 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 really do well. You can get started a little bit earlier by starting your scutellaria indoors.

Last Frost Date

The average date of last frost is January 31 in El Cajon. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for El Cajon and it will vary from year to year. Half of the time in El Cajon you get surprised by a frost after January 31 so just be sure to be ready to cover your scutellaria if you have a surprise late frost.

USDA Zone Info for El Cajon

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 El Cajon

You may be interested in your other planting guides for El Cajon.