Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for Newport Beach should be reviewed to figure out when you can plant erysimum.

Planting Calendar for Erysimum

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

Since erysimum do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant erysimum 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 erysimum and expect a good harvest is probably October. If you wait any later than that and your erysimum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your erysimum indoors.

Last Frost Date

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

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Newport Beach and it can change quite a bit from year to year. Since half of the time in Newport Beach last frost occurs after January 31 be ready to cover your erysimum 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.