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.

By looking at the USDA zone info for Newport Beach you will be able to estimate when you can plant calendula.

Planting Calendar for Calendula

Frost tolerance for calendula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Calendula do ok in some cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant calendula in Newport Beach is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably October. Any later than that and your calendula may not have a chance to really do well. Starting your calendula indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Newport Beach. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Newport Beach may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Newport Beach you get surprised by a frost after January 31 so just be sure to be ready to protect your calendula if you have a surprise late frost.

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.