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

A common way of estimating when to plant chinese cabbage is to use the USDA zone info for Sebastopol.

Planting Calendar for Chinese cabbage

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

You can plant chinese cabbage a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chinese cabbage in Sebastopol 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 chinese cabbage and expect a good harvest is probably October. If you wait any later than that and your chinese cabbage may not have a chance to really do well. If you are starting your chinese cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Sebastopol is just an average the actual date of last frost will vary from year to year. Half of the time in Sebastopol there is a last frost after February 15 so just be sure to be ready to cover your chinese cabbage in the event of one of those late frosts.

USDA Zone Info for Sebastopol

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 Sebastopol

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