Chinese Kale, Chinese broccoli, White flowered broccoli
Brassica oleracea var. alboglabra
Family: Brassicaceae
What it is like
A cabbage plant with a single fleshy stem. Although it keeps growing from year to year it is normally grown as an annual. It grows 45 cm high and spreads 40 cm across. The leaves are dark green and rounded on long stems. Plants start to flower when 10 leaves are present. Flowers are white but there are varieties with yellow flowers. There are several named cultivars.
There are about 30 Brassica species and many cultivated varieties. It has 13.65 mg per 100 g dry weight and 7.3 mg fresh weight of alpha-tocopherol (Vitamin E).
Where it is found
It does best in a fertile soil. The soil needs to be well drained. It prefers a pH of 6-7. Temperatures during the day of 18°-28°C are best. It can tolerate frost. It grows well in tropical regions but cool temperatures are necessary for flowering. It suits hardiness zones 8-11.
Countries/locations it is found in
Australia, Cambodia, China, Cuba, Fiji, Hawaii, Indochina, Indonesia, Japan, Kiribati, Malaysia, Nauru, Pacific, SE Asia, Taiwan, Thailand, USA, West Indies
How it is used for food
The flower stalk, flower heads, buds and tender leaves are all eaten. The stems are steamed or braised and often served with oyster sauce. They are also used in soups.
It is a commercially cultivated vegetable.
Edible parts
Flowers, leaves, stems, vegetable
How it is grown
Plants are grown from seed. Seed can be sown direct or put in a nursery then transplanted. Seed are sown about 0.5 cm deep. Seeds germinate in 3-10 days. A spacing of 15 cm is suitable. Wide spacing causes stems to become thick and tough. Because plants are shallow rooted, they need regular watering.
It is fast growing. Flower heads are harvested after about 9 weeks. Heads are harvested individually to allow others to form. Harvesting is done before buds start to open. It is grown as an annual crop in winter months in southern China.
Its other names
Local names
Berza, Fat-shan, Gai lan choi, Gai lan, Gailarn, Jie-lan,Kaai laan tsoi, Kailaan, Kai-lan
Synonyms
Brassica alboglabra L. H. Bailey; Now Brassica oleracea (Alboglabra group)