The USDA Zone info is a great tool for gardeners to help us determine 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.

You should be able to determine when you can plant festuca by checking out the USDA zone info for Sonoma.

Planting Calendar for Festuca

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

Festuca are moderately cold tolerant which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant festuca 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 festuca and expect a good harvest is probably October. If you wait any later than that and your festuca may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your festuca indoors.

Last Frost Date

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

Since the USDA zone info for Sonoma is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Sonoma you get a frost after February 15 be ready to cover your festuca if you have one of those late frosts.

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.