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.

You should be able to estimate when it's possible to plant chamomile by using the USDA zone info for Costa Mesa.

Planting Calendar for Chamomile

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

Chamomile are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant chamomile in Costa Mesa 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 chamomile and expect a good harvest is probably October. If you wait any later than that and your chamomile may not have a chance to really do well. You can get started a little bit earlier by starting your chamomile indoors.

Last Frost Date

In Costa Mesa 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 Costa Mesa is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Costa Mesa you get surprised by a frost after January 31 be ready to protect your chamomile if you have a surprise late frost.

USDA Zone Info for Costa Mesa

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 Costa Mesa

You may be interested in your other planting guides for Costa Mesa.