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Tatsoi Green Coin - Chinese flat cabbage

Brassica rapa var. rosularis Tatsoi Green Coin - Tah Tsai
Spoon mustard, Tah Tsai

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Chinese flat cabbage Tatsoi 'Green Coin' is an easy to grow, cold-resistant and fast-maturing variety. It produces 30 cm tall rosettes of spoon-shaped leaves that can be harvested at full maturity or as baby greens 1 month after sowing. Ideal for winter harvests! Sow under cover in March-April or direct sow from May to September. Organic seeds.  
Ease of cultivation
Beginner
Height at maturity
30 cm
Spread at maturity
30 cm
Soil moisture
Damp soil
Germination time (days)
14 days
Sowing method
Direct sowing, Sowing under cover, Sowing under cover with heat
Sowing period April to September
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Harvest time June to December
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Description

Chinese flat cabbage Tatsoi 'Green Coin' is an easy to grow, cold-resistant and fast-maturing variety. It produces 30 cm tall rosettes of spoon-shaped leaves that can be harvested at full maturity or as baby greens 1 month after sowing. This very hardy variety withstands temperatures down to -10°C. Ideal for winter harvests! Sow under cover in March-April or direct sow from May to September.

Chinese cabbage (Brassica rapa) is a leaf vegetable belonging to the large Brassicaceae family. It is native to East Asia. It is a staple in Asian cuisine and has become increasingly popular in western countries since the 19th century. The two most common subspecies are napa cabbage (Pekinensis Group) and bok choy (Chinensis group). Napa cabbage, also known as Chinese white cabbage, pe-tsai and “celery cabbage”, produces tall, oblong heads of pale green leaves white thick white ribs. Bok choy or pak choi is doesn’t form heads but lightly-packed clusters of fleshy stalks, topped with dark to medium green leaves. Chinese cabbage is a versatile vegetable that is delicious eaten raw in salads as well as cooked in a stir-fry or a stew. This biennial plant, grown as an annual, is remarkably healthy thanks to its high vitamin A, K and C content. It is also a good source of fibre and minerals such as calcium and potassium.

Chinese cabbage is slightly trickier to grow than regular green cabbage as it tends to bolt easily in hot weather and is not very cold hardy. It is an ideal crop for late summer and early autumn, before the frost sets in. In cooler regions, it is possible to grow Chinese cabbage as a winter crop. It requires deep, rich soil, regular watering and plenty of sun.

Harvest: Either harvest the leaves as and when required or wait until the heads are fully formed and cut them off at ground level.

Storage: Chinese cabbage will keep for several days in the refrigerator.

Good to know: Mulching with grass clippings or dead leaves will help keep the soil moist whilst limiting weed growth.

Even if the vegetable garden is first and foremost a place for growing great quality veg, it’s always a good idea to leave a bit of room for flowers. Growing flowers alongside your vegetable plants will make your general gardening experience more enjoyable and is a great way to attract pollinators and repel garden pests! Flowers such as gaillardia, marigolds, zinnias, cosmos or nasturtiums can be sown in and around the rows of vegetables. Herbs such as dill can be very useful also. Bear in mind that some companion plants self-seed easily and can be a bit invasive (borage, chives, lemon balm etc.)

NB. Organic seeds (in French "AB" for "Agriculture Biologique") are produced from plants that aren't treated with phytosanitary products (insecticides, weed killers). The seeds do not undergo post-harvest treatment. They carry the AB label and are approved by Ecocert, an independent structure.

Harvest

Harvest time June to December
Type of vegetable Leaf vegetable
Vegetable colour green
Size of vegetable Medium
Interest Flavour, Nutritional value
Flavour Sweet
Use Cooking

Plant habit

Height at maturity 30 cm
Spread at maturity 30 cm
Growth rate normal

Foliage

Foliage persistence Annual
Foliage colour medium green

Botanical data

Genus

Brassica

Species

rapa var. rosularis

Cultivar

Tatsoi Green Coin - Tah Tsai

Family

Brassicaceae

Other common names

Spoon mustard, Tah Tsai

Origin

East Asia

Annual / Perennial

Annual

Product reference44201

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Planting and care

Sowing:

The germination temperature of Chinese Cabbage is around 20°C and takes about 14 days.

Sowing period: under heated shelter from April to May or directly in the ground from June to July

Harvest period: from August to October

You can either sow the seeds directly in the ground or prepare young plants that will later be transplanted to their final position in the garden.

Young plant preparation: Under shelter or in a nursery 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 in good seed compost or fine soil. Cover lightly with compost and remember to keep the substrate moist but not waterlogged.

When the young plants appear strong enough to handle, transplant them into buckets if necessary before planting them in the garden, when there is no longer any risk of frost. When planting, respect the recommended spacing for direct sowing.

Direct sowing: In well-amended and finely worked soil, create furrows about one or two centimeters deep, spaced 40 centimeters 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 40 centimeters.

 

Cultivation:

Chinese Cabbage is grown in full sun. It is a nutrient-demanding vegetable that requires well-rotted, nitrogen-rich, and potash-rich soil. It is advisable to apply a generous amount of mature compost (approximately 3/4 kg per m2), by digging it in to a depth of 5 cm, preferably in autumn, after thoroughly loosening the soil as you would for any vegetable crop. It is not very tolerant of soil pH and it should be between 5.6 and 6.5. In acidic soil, it will be necessary to gradually raise the pH by applying calcium in the form of Dolomite or Lime.

Beware of pests such as Cabbage White Butterfly or Flea Beetles and consider using insect netting.

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Seedlings

Sowing period April to September
Sowing method Direct sowing, Sowing under cover, Sowing under cover with heat
Germination time (days) 14 days

Care

Soil moisture Wet
Disease resistance Good
Pruning No pruning necessary

Intended location

Type of use Vegetable garden
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light), 192

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