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

You should be able to estimate when it's possible to plant chinese cabbage by using the USDA zone info for Manhattan.

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 plant them earlier than other frost tender plants.

The earliest that you can plant chinese cabbage in Manhattan 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 really do well. You can get started a couple of weeks earlier by starting your chinese cabbage indoors.

Last Frost Date

The average date of last frost is April 15 in Manhattan. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Manhattan is just an average the actual date of last frost is different every year. Half of the time in Manhattan last frost occurs after April 15 so make sure that you are ready to protect your chinese cabbage in the event of a surprise late frost.

USDA Zone Info for Manhattan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Manhattan

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