Tatsoi Black Knight Vegetable Seeds – Singapore
Black Knight tatsoi seed for growing compact, dark green Asian leafy vegetables in Singapore. Fast-growing and productive, with glossy spoon-shaped leaves, a mild flavour and a compact rosette growth habit.
Black Knight is an open-pollinated tatsoi variety producing exceptionally dark green leaves arranged in attractive, low-growing rosettes. The tender leaves have a mild flavour with a subtle mustard character and can be harvested young as baby leaf or allowed to develop into mature plants.
Tatsoi prefers cooler growing conditions, so in Singapore it is best grown during relatively cooler periods or in a position protected from intense afternoon heat. Its compact growth habit makes Black Knight particularly useful for containers, raised beds and small urban vegetable gardens.
Black Knight Tatsoi Seed Details
| Botanical name | Brassica rapa subsp. narinosa |
|---|---|
| Variety | Black Knight |
| Seed type | Open-pollinated |
| Plant type | Cool-season annual leafy vegetable |
| Growth habit | Compact, low-growing rosette |
| Leaf type | Dark green, glossy, spoon-shaped leaves |
| Sowing depth | Approximately 5–10 mm |
| Germination | Approximately 5–10 days |
| Plant spacing | Approximately 20–25 cm for mature plants |
| Position | Full sun to part shade |
| Baby leaf harvest | Harvest young leaves as required |
| Mature harvest | Approximately 35–50 days |
| Fulfilment | Stocked and dispatched in Singapore |
Why Grow Black Knight Tatsoi?
- Fast-growing Asian leafy vegetable with exceptionally dark green foliage.
- Compact rosettes of attractive, glossy spoon-shaped leaves.
- Mild flavour with a subtle mustard character.
- Suitable for both baby-leaf and mature harvests.
- Outer leaves can be picked individually for an extended harvest.
- Compact growth makes it suitable for containers, raised beds and small gardens.
- Open-pollinated Black Knight variety.
How to Grow Black Knight Tatsoi in Singapore
Black Knight tatsoi is a cool-season Asian green. Singapore provides sufficient warmth for rapid growth, but prolonged high temperatures can encourage bolting and reduce leaf quality. For best results, grow during relatively cooler conditions and provide protection from strong afternoon sun.
- Prepare the growing area.
Choose fertile, well-drained soil enriched with compost or organic matter. Black Knight can be grown in garden beds, raised beds or containers. - Sow the seeds.
Sow approximately 5–10 mm deep. Seeds can be direct sown or started in trays and transplanted carefully once seedlings are established. - Maintain consistent moisture.
Keep the soil evenly moist but not waterlogged. Seeds generally germinate in approximately 5–10 days under suitable conditions. - Thin the seedlings.
For mature rosettes, thin or transplant plants to approximately 20–25 cm apart. Closer spacing can be used when growing specifically for baby-leaf harvesting. - Protect from excessive heat.
In Singapore, morning sun and afternoon shade can provide better growing conditions than an exposed position receiving intense sun throughout the day. - Harvest baby leaves.
Young leaves can be picked once they have reached a useful size. Harvest individual outer leaves or cut young foliage for salads and other dishes. - Harvest mature plants.
Black Knight generally reaches mature harvest in approximately 35–50 days. Harvest the entire rosette or pick the outer leaves individually, leaving the centre to continue growing.
Flavour & Uses
Black Knight tatsoi has a mild, smooth flavour with a subtle mustard character. Young leaves are tender enough for fresh use, while mature leaves retain sufficient texture for cooking.
Baby leaves can be added to salads, sandwiches and mixed greens. Larger leaves and stems are well suited to stir-fries, soups, noodle dishes and quick sautés. Tatsoi can be used in many dishes in a similar way to spinach, bok choy and other Asian leafy greens.
Black Knight Tatsoi Seeds for Singapore
Black Knight is a useful choice for Singapore gardeners looking for a compact Asian leafy vegetable suitable for small growing spaces. Its low-growing rosette habit makes efficient use of space in containers, raised beds and urban kitchen gardens.
For Singapore conditions, concentrate on maintaining consistent moisture without waterlogging, good airflow and protection from excessive afternoon heat. Young leaves can be harvested regularly, or plants can be allowed to form their characteristic mature rosettes.
This Singapore range is stocked locally, with seed dispatched within Singapore rather than individually shipped from Australia.
Frequently Asked Questions
Can Black Knight tatsoi be grown in Singapore?
Yes. Black Knight tatsoi can be grown in Singapore, although it prefers cooler conditions. Providing afternoon shade, good airflow and consistent moisture can help plants cope with the tropical climate.
Is tatsoi the same as bok choy?
No. Tatsoi and bok choy are closely related Asian brassicas, but they have different growth habits. Tatsoi typically forms a compact, low rosette of dark green spoon-shaped leaves.
How long does Black Knight tatsoi take to germinate?
Seeds generally germinate in approximately 5–10 days under suitable growing conditions.
How long does Black Knight tatsoi take to mature?
Black Knight generally reaches mature harvest in approximately 35–50 days. Young leaves can be harvested earlier for baby-leaf use.
What does Black Knight tatsoi taste like?
Black Knight has a mild flavour with a subtle mustard character. Young leaves are particularly tender and mild.
Can Black Knight tatsoi be eaten raw?
Yes. Young leaves are suitable for salads, sandwiches and mixed baby greens. Larger leaves can also be cooked in stir-fries, soups and sautés.
Can Black Knight tatsoi be grown in containers?
Yes. Its compact, low-growing habit makes Black Knight particularly suitable for containers and raised beds. Use a fertile, free-draining growing medium and maintain consistent moisture.
Does tatsoi need full sun?
Tatsoi can grow in full sun under cool conditions but also performs well in part shade. In Singapore, morning sun with protection from intense afternoon heat is generally preferable.
Can I harvest Black Knight tatsoi more than once?
Yes. Individual outer leaves can be harvested while leaving the centre of the rosette intact to continue producing new growth.
Is Black Knight tatsoi open-pollinated?
Yes. Black Knight is an open-pollinated tatsoi variety.
Where are Singapore orders dispatched from?
This product is stocked and dispatched locally in Singapore.
Is this product shipped from Australia?
No. Although orders are placed through the Seedmart Australia website, this product is held in Singapore and Singapore orders are packed and dispatched locally.
Where can I buy Black Knight tatsoi seeds in Singapore?
Seedmart supplies Black Knight tatsoi vegetable seeds online for customers in Singapore, with stock held and fulfilled locally in Singapore.



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