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

A common way of figuring out when it's the best time to plant chamomile is to use the USDA zone info for Sonoma.

Planting Calendar for Chamomile

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

Since chamomile do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant chamomile in Sonoma 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. Starting your chamomile indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Sonoma. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Sonoma is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Sonoma you get a frost after February 15 be ready to protect your chamomile if you have a surprise late frost.

USDA Zone Info for Sonoma

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Sonoma

You may be interested in your other planting guides for Sonoma.