Chinese Cabbage Tsai Shim - Brassica parachinensis
Chinese Cabbage Tsai Shim - Brassica parachinensis
Chinese Cabbage Tsai Shim - Brassica parachinensis
Chinese Cabbage Tsai Shim - Brassica parachinensis
Chinese Cabbage Tsai Shim - Brassica parachinensis
Brassica rapa var. parachinensis Tsai Shim
Choy Sum, Tsai Chim
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This plant carries a 6 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
Description
The Tsai-Shim Bouquet Cauliflower, also known as Tsoi Sim, Choi Sum, or Chinese Broccoli, is a vegetable closely related to Chinese Cabbage and Pak-Choi. Both the stems and flowers are consumed and have a delicate taste, similar to asparagus. It can be eaten raw or cooked but should be cooked briefly. It is sown in a heated shelter from March to May or directly in the ground from May to August for a harvest from July to September.
Chinese Cabbages are vegetable plants native to China and, more generally, to East Asia. Like their European counterparts, they belong to the large Brassicaceae family and have the species name Brassica rapa.
These cabbages, once only found in certain specialised shops, are gradually gaining popularity in our markets and gardens, especially among Asian cuisine enthusiasts.
They are biennial plants grown as annuals and are full of qualities, both in terms of taste and nutrition. From a dietary point of view, they are remarkable: low in calories, very rich in vitamins C, A, and potassium, and they also contain a lot of fibre and minerals such as calcium.
In cooking, these cabbages can be eaten raw or cooked: in salads, quickly stir-fried in a wok, in soups, or gratins.
In the garden, growing Tsai-Shim Bouquet Cauliflower is a bit more delicate than growing traditional cabbages as it requires more warmth. Still, it has the exact requirements: deep soil, excellent fertilization, and regular watering. It thrives in sunny locations. Chinese Cabbages are not very hardy and can only be grown in late summer and early winter.
Harvest: Tsai-Shim Bouquet Cauliflower can be harvested from July to September by cutting at the collar level with a knife.
Storage: It can be stored in the refrigerator for a few days.
Gardener's tip: To reduce the need for watering, we recommend mulching the soil with thin layers of grass clippings, preferably mixed with dead leaves, once the plants are well established. This protective layer helps keep the soil moist and also reduces weed growth.
Harvest
Plant habit
Foliage
Botanical data
Brassica
rapa var. parachinensis
Tsai Shim
Brassicaceae
Choy Sum, Tsai Chim
Cultivar or hybrid
Annual
Planting and care
Sowing:
The germination temperature of the Tsai-Shim bouquet Cauliflower is around 14°C (57.2°F) and takes about 14 days.
Sowing period: under heated shelter from March to May or in open ground from May to August
Harvest period: from July to September
You can either sow directly in place or prepare seedlings that will later be planted in their final position in the garden.
Preparing seedlings: Under shelter in the garden for the rest of the year (according to the recommended sowing period), sow the seeds at a depth of 1 to 2 cm (0 to 1in) in good seed compost or fine soil. Lightly cover with compost and keep the substrate moist but not waterlogged.
When the young plants appear strong enough to be handled, transplant them into pots if necessary before planting them in the garden when there is no longer any risk of frost. During planting, respect the recommended spacing for direct sowing.
Direct sowing: In properly amended and finely worked soil, create furrows about one or two centimetres deep, spaced 30 centimetres (12 inches) apart. Sow the seeds and cover them with a thin layer of fine soil. When the seedlings are well developed, thin them out, leaving one plant every 30 centimetres (12 inches).
Cultivation:
The Tsai-Shim bouquet Cauliflower is grown in the sun. It is a demanding vegetable that requires well-rotted, nitrogen-rich and potash-rich soil. It is advisable, preferably in autumn, to generously add mature compost (about 3/4 kg per m2), by scratching it to a depth of 5 cm (2in), after having, as with any vegetable cultivation, loosened the soil. It is not very tolerant of soil pH, which should be between 5.6 and 6.5. Care must be taken in acidic soil to gradually raise this pH by adding calcium in the form of Dolomite or Lime.
Beware of pests such as the Cabbage White Butterfly or Flea Beetles, and consider using insect netting.
Seedlings
Care
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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