Chinese cabbage seeds Description. Chinese cabbage is a hardy biennial grown as an annual. Chinese cabbage has broad, thick, tender leaves and heavy midribs. There are several varieties of Chinese cabbage some are loosehead and some are tight headed; plants grow from 15 to 18 inches tall.
TYPES OF CHINESE CABBAGE
There are two types of Chinese cabbage, loosehead, similar to loose-leaf lettuce, and heading or tight head.
Loosehead Chinese cabbages includes pac choi, also called bok choy, and pei tsai. Pac choi and pei tsai have open, loose heads or rosettes of usually dark green leaves with white celery-like stalks. These are heat-tolerant but will bolt if the weather turns from chilly to very warm Plant these at 2 to 3-week intervals for a continuous harvest. Loosehead types can be harvested a few stalks at a time, cut-and-come-again.
Heading types include Michihili and Napa; Michihili has a tall cylindrical or tapered head while the Napa is a short barrel-shaped head. These can be grown like cabbage, though they are mild-flavored, unlike cabbage. When these heads are trimmed they reveal compact heads. The entire head to cut at harvest time.
Planting time. Chinese cabbage is a cool-weather plant that will bolt and go to seed quickly in warm weather and long days; grow Chinese cabbage in spring or autumn in temperatures ranging from 45° to 75°F. Sow seed 4 to 6 weeks before the average date of the last frost in spring. Sow seed directly in the garden; seedlings transplanted into the garden may be shocked into bolting to seed. In mild winter regions, plant Chinese cabbage in late summer or autumn for a late autumn harvest.