Before planting it is a good idea to find your USDA Zone info to estimate 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.

The first opportunity to plant chinese cabbage in Colusa should be estimated by using the USDA zone info.

Planting Calendar for Chinese cabbage

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

Chinese cabbage do well in moderate cold which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant chinese cabbage in Colusa 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. 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 Colusa. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Colusa is an average the actual date of last frost will vary from year to year. Half of the time in Colusa you get surprised by a frost after February 15 so make sure that you are ready to protect your chinese cabbage if you have a surprise late frost.

USDA Zone Info for Colusa

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 Colusa

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