One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's possible to plant rosemary by reviewing the USDA zone info for La Mirada.

Planting Calendar for Rosemary

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

Rosemary do ok in pretty solid cold which means that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant rosemary 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 rosemary and expect a good harvest is probably October. You probably don't want to wait any later than that or else your rosemary may not have a chance to fully mature. You can get started a few weeks earlier by starting your rosemary indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in La Mirada. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for La Mirada may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in La Mirada there is a last frost after January 31 so be sure to be ready to protect your rosemary in the event of one of those late frosts.

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.