One of the first steps you take when you are determining 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.

By checking out the USDA zone info for Sonoma you will be able to figure out when it's possible to plant winter savory.

Planting Calendar for Winter Savory

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

Winter Savory do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant winter savory 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 winter savory and expect a good harvest is probably October. Any later than that and your winter savory may not have a chance to really do well. You can get started a few weeks earlier by starting your winter savory indoors.

Last Frost Date

On average the last frost is on February 15 in Sonoma. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Sonoma is just an average 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 make sure that you are prepared to cover your winter savory 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.