Pak Choi (Brassica rapa chinensis)

Biennial
B. chinensis. B. napus chinensis. (L.)Schulz. B. parachinensis.
Common Name Latin Name Plant Family
Pak Choi
Brassica rapa chinensis
Cruciferae

None known

  • Medicinal Use

    The leaf is antiarthritic, antiscorbutic and resolvent[218].

  • Edible Use

    Leaves – raw or cooked[46, 52, 61, 116]. They can be eaten at any stage from seedling to mature plant[206]. Well-flavoured, they are sweet with a hint of mustard[206].The leaves are also dried for winter use[206]. The leaves have pronounced stems and these can also be eaten, they tend to have a mild, almost bland flavour[206]. A nutritional analysis is available[218].

    Immature flowering stems – cooked like broccoli[206]. A sweet flavour[206].

    An edible oil is obtained from the seed.

  • Cautionary Notes

    None known

Cultivation & Habitat

Seed – sow in situ May to August. Spring sown crops are prone to run quickly to seed if there is a spell of cold weather[206]. Some varieties can also be sown in a cold greenhouse in autumn or early spring to provide leaves overwinter and in late spring.
Succeeds in full sun in a well-drained fertile preferably alkaline soil[200]. Prefers a pH of 5.5 to 7[200]. Tolerates a pH in the range 4.3 to 7.5. Prefers a cool moist reasonably fertile soil[52]. The plant is shallow rooted and intolerant of drought, it needs to be grown in a moist fertile soil for the best quality leaves[206]. Plants are not tremendously cold-hardy, though they will withstand light frosts[133]. Pak choi is widely cultivated, especially in China, for its edible leaves which are produced mainly in the summer and autumn. A fast-growing plant, there are many named varieties and some can be ready in as little as five weeks from sowing the seed[88, 206, 264]. Forms with green stems tend to stand up better to adverse conditions than white-stemmed forms[206].
A cultivar of garden origin.

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*None of the information on this website qualifies as professional medical advice. Take only what resonates with your heart and use your own personal responsibility for what’s best for you. For more information [brackets] [000], see bibliography.