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.

In Mandan you can estimate when to plant chinese cabbage by checking out 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.

Since chinese cabbage are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese cabbage in Mandan is March. However, you really should wait until April 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 August. Any later than that and your chinese cabbage may not have a chance to grow to maturity. 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

In Mandan the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Mandan may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Mandan there is a last frost after May 15 be ready to protect your chinese cabbage in the event of a surprise late frost.

USDA Zone Info for Mandan

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Mandan

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