Belonging to the Brassica (Mustard) genus, Tatsoi has a botanical name of Brassica narinosa.
Tatsoi (Brassica narinosa) is a non-hearting oriental mustard with spoon shaped, dark green leaves.
Tatsoi is high in calcium and vitamin content, with a much stronger flavour than Bok Choy. Excellent in stir-fries, asian dishes and salad mixes. Can also be grown for decorative value as well.
Cold tolerant (can even be harvested whilst under snow), Tatsoi prefers rich, moist, well drained soil with lots of organic matter. Tatsoi can be harvested at almost any stage of its growth.Tatsoi grows as a biennial and is an edible vegetable. Being a biennial plant, it tends to grow best over the course of two years.
Tatsoi needs a moderate amount of maintenance, so some level of previous experience comes in handy when growing this plant. Ensure that you are aware of the soil, sun, ph and water requirements for this plant and keep an eye out for pests.
This plant info is provided by the myfolia gardener's wiki. All details about Tatsoi have been kindly provided by our members.
Sow Tatsoi directly outdoors into finely raked, moist, weed free soil. Sow successionally every 2-3 weeks in spring – early as the soil can be worked. Also can be sown in late summer for an autumn / early winter harvest.
Space the initial planting very densely, then harvest entire plants, leaving the strongest to grow to maturity at about 25cm (12in) spacing.
Sow seeds thinly at a depth of 1cm (¼ to ½ inch). For mature plants, sow 15cm (6in) apart with 45cm (18in) between the rows. For use as stir fry sow in 15-30cm blocks. Sow Tatsoi very close together for baby leaf.Try to aim for a seed spacing of at least 7.02 inches (18.0 cm) and sow at a depth of around 0.39 inches (1.0 cm). Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.
Thin Tatsoi seedlings once at 10cm (4in) tall.
For mature plants, sow 15cm (6in) apart with 45cm (18in) between the rows. For use as stir fry sow in 15-30cm blocks. Sow very close together for baby leaf.
The whole plant may be harvested at once or the leaves can be picked continuously for several weeks.
These plants have been known to grow well alongside Tatsoi so consider planting:
These plants will not grow well with Tatsoi so avoid planting these within close proximity:
These problems, diseases and pests are known to affect Tatsoi plants:
Spinach mustard, Spoon mustard, Rosette bok choy
Brassica rapa var. rosularis, Brassica rapa rosularis