The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant winter savory in Calistoga should be determined by looking at the USDA zone info.

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 are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant winter savory in Calistoga 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 grow to maturity. You can get started a little bit earlier by starting your winter savory indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Calistoga. In the coldest months of winter you can expect an average low temperature of 20°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Calistoga and it can change quite a bit from year to year. Half of the time in Calistoga you get a frost after February 15 so make sure that you are prepared to cover your winter savory if you have a late frost.

USDA Zone Info for Calistoga

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 Calistoga

You may be interested in your other planting guides for Calistoga.