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 using the USDA zone info for Rohnert Park you will be able to determine when it's a good idea to plant thyme.

Planting Calendar for Thyme

Frost tolerance for thyme:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant thyme quite a bit earlier in the year because they do well in cold.

The earliest that you can plant thyme in Rohnert Park 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 thyme and expect a good harvest is probably October. You probably don't want to wait any later than that or else your thyme may not have a chance to fully mature. You can get started a few weeks earlier by starting your thyme indoors.

Last Frost Date

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

Since the USDA zone info for Rohnert Park is not always accurate the actual date of last frost is different every year. Half of the time in Rohnert Park you get surprised by a frost after February 15 so make sure that you are ready to protect your thyme if you have a late frost.

USDA Zone Info for Rohnert Park

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 Rohnert Park

You may be interested in your other planting guides for Rohnert Park.