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

By reviewing the USDA zone info for Suisun City you should be able to figure out when it's possible to plant summer savory.

Planting Calendar for Summer Savory

Frost tolerance for summer savory:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since summer savory do ok in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant summer savory in Suisun City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant summer savory and expect a good harvest is probably September. You probably don't want to wait any later than that or else your summer savory may not have a chance to fully mature. You can get started a little bit earlier by starting your summer savory indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Suisun City. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Suisun City is an average the actual date of last frost will vary from year to year. Half of the time in Suisun City last frost occurs after February 15 so always be ready to protect your summer savory if you have a late frost.

USDA Zone Info for Suisun City

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 Suisun City

You may be interested in your other planting guides for Suisun City.