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.

The first chance to plant summer savory in National City can be determined by looking at the USDA zone info.

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.

You can plant summer savory a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant summer savory in National 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. Any later than that and your summer savory may not have a chance to fully mature. Starting your summer savory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in National City. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for National City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in National City there is a last frost after January 31 so just be sure to be ready to protect your summer savory in the event of one of those late frosts.

USDA Zone Info for National City

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 National City

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