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.

By reviewing the USDA zone info for Cupertino you should be able to figure out when it's a good idea to plant scutellaria.

Planting Calendar for Scutellaria

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

Scutellaria require warm weather which means 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 Cupertino is March. However, you really should wait until April 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. Any later than that and your scutellaria may not have a chance to really do well. 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 February 15 in Cupertino. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Cupertino is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cupertino you get surprised by a frost after February 15 be ready to protect your scutellaria if you have one of those late frosts.

USDA Zone Info for Cupertino

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Cupertino

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