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

By looking at the USDA zone info for Columbia you will be able to estimate when you can plant chinese cabbage.

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 are moderately cold tolerant which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant chinese cabbage in Columbia is February. However, you really should wait until March 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 September. You probably don't want to wait any later than that or else your chinese cabbage may not have a chance to fully mature. If you are starting your chinese cabbage indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Columbia. In the coldest months of winter you can expect an average low temperature of 15°F.

Just be sure to remember that USDA zone info for Columbia may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Columbia you get a frost after March 15 be ready to protect your chinese cabbage in the event of a surprise late frost.

USDA Zone Info for Columbia

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Columbia

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