The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant skullcap in Newport Beach can be figured out by reviewing the USDA zone info.

Planting Calendar for Skullcap

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

It's probably not a good idea to plant skullcap until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant skullcap in Newport Beach 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 fully mature. You can get started a few weeks earlier by starting your skullcap indoors.

Last Frost Date

In Newport Beach the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Newport Beach is just an average the actual date of last frost changes from year to year. Half of the time in Newport Beach last frost occurs after January 31 so just be sure to be ready to protect your skullcap if you have one of those late frosts.

USDA Zone Info for Newport Beach

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 Newport Beach

You may be interested in your other planting guides for Newport Beach.