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.

The best time to plant matricaria in Sonoma should be estimated by checking out the USDA zone info.

Planting Calendar for Matricaria

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

Matricaria do well in moderate cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant matricaria 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 matricaria and expect a good harvest is probably October. You probably don't want to wait any later than that or else your matricaria may not have a chance to fully mature. Starting your matricaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Sonoma. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Sonoma is an average and the actual date of last frost will vary from year to year. Half of the time in Sonoma there is a last frost after February 15 so always be ready to cover your matricaria in the event of 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.