One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 using the USDA zone info for Grass Valley it's a good idea to estimate when it's the best time 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.

Since winter savory do well in moderate cold 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 winter savory in Grass Valley 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 fully mature. You can get started a few weeks earlier by starting your winter savory indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Grass Valley. You can expect an average low temperature of 20°F in the coldest months of winter.

Remember that USDA zone info for Grass Valley may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Grass Valley you get surprised by a frost after February 15 so just be sure to be ready to protect your winter savory if you have a surprise late frost.

USDA Zone Info for Grass Valley

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Grass Valley

You may be interested in your other planting guides for Grass Valley.