Agriculture, Fisheries and Conservation Department



Specialty vegetable crops

Technical Development

Premium Vegetables

Jade Chinese Kale

Cultivation of Jade Chinese Kale
Environmental response : Jade Chinese Kale generally grows well in warm climate and favours to grow in a well drained, thick loam soil at pH 6.5 ~ 7.0 with rich organic matter.
Planting : Sowing in late April to September. Either direct sowing or transplanting is suitable.

Seeds germinate in 2 ~ 3 days. Transplant the seedlings when they are 9 ~ 10 cm in height ( about 2 weeks after sowing).

Plant spacing = 15 cm.
Row spacing = 15 cm.


Nutritional requirement and Crop management : A basal dressing consisting of compost (500 kg/d.c.), peanut meal (75 kg/d.c.), bone meal (75 kg/d.c.) and hydrated lime (50 kg/d.c.) is recommended.

The first top dressing of compound fertilizer (N:P:K:Mg = 12:12:17:2) should be applied 4 days after transplanting at the rate of 30 kg/d.c. Ten days later, apply the second top dressing of compound fertilizer at the rate of 45 kg/d.c. After harvesting the main stalks, apply one more top dressing of compound fertilizer at the rate of 45 kg/d.c. to enhance the growth of the side shoots for further harvesting.

Maintaining adequate supply of water and nutrients as well as keeping a proper level of calcium, magnesium and boron in soil. Light ploughing, weeding and earthing-up are done at each top dressing.

(1 d.c. = 674 sq. m. or 7,260 sq. ft. )

Harvest : Jade Chinese Kale is ready for harvest when its flowers begin to bloom (about 4 weeks after transplanting).

When harvesting the main stalk, retain 3 old leaves at the base portion of the plant for side shoots production.

Horticulture Section, AFCD

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Last Review Date : 11 July 2018