The USDA Zone info is a great tool for gardeners to help us estimate 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 USDA zone info for La Mirada can be reffered to in order to figure out when it's possible to plant purple rock cress.

Planting Calendar for Purple Rock Cress

Frost tolerance for purple rock cress:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since purple rock cress are very cold tolerant you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant purple rock cress in La Mirada 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 purple rock cress and expect a good harvest is probably October. Any later than that and your purple rock cress may not have a chance to fully mature. You can get started a few weeks earlier by starting your purple rock cress indoors.

Last Frost Date

The average date of last frost is January 31 in La Mirada. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for La Mirada is not always accurate the actual date of last frost will vary from year to year. Since half of the time in La Mirada last frost occurs after January 31 be ready to cover your purple rock cress if you have a late frost.

USDA Zone Info for La Mirada

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 La Mirada

You may be interested in your other planting guides for La Mirada.