Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant skullcap is to consult the USDA zone info for Malibu.

Planting Calendar for Skullcap

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

Skullcap do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant skullcap in Malibu 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 skullcap and expect a good harvest is probably September. If you wait any later than that and your skullcap may not have a chance to really do well. You can get started a little bit earlier by starting your skullcap indoors.

Last Frost Date

The average date of last frost is January 31 in Malibu. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Malibu may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Malibu it frosts late in the year after January 31 so be sure to be ready to cover your skullcap if you have a late frost.

USDA Zone Info for Malibu

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Malibu

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