Tatsoi Vegetable Seeds – Singapore
Untreated, open-pollinated Tatsoi seed for growing tender Asian leafy greens in Singapore. A compact, fast-growing vegetable that can be harvested young for baby leaves or allowed to develop into attractive mature rosettes.
Tatsoi (Brassica rapa var. narinosa) is an Asian leafy vegetable producing glossy, dark green, spoon-shaped leaves on pale green stems. Plants develop into compact, low-growing rosettes and have a mild brassica flavour with subtle mustard notes.
Young Tatsoi leaves are excellent for salads and baby-leaf mixes, while larger leaves and stems can be stir-fried, steamed, sautéed or added to soups and noodle dishes.
In Singapore, Tatsoi is best treated as a cooler-season leafy vegetable. It performs best in cool to mild conditions, so growers should favour the cooler part of the year, provide good airflow and consider light afternoon shade where plants are exposed to strong tropical heat.
Tatsoi Vegetable Seed Details
| Botanical name | Brassica rapa var. narinosa |
|---|---|
| Common name | Tatsoi |
| Plant family | Brassicaceae |
| Plant type | Cool-season leafy vegetable |
| Seed type | Open-pollinated |
| Seed treatment | Untreated / no chemical treatment |
| GMO status | Non-GMO |
| Approx. seeds per gram | Approximately 400 |
| Sowing depth | Approximately 5–10 mm |
| Germination | Approximately 5–10 days under suitable conditions |
| Preferred soil temperature | Approximately 10–25°C |
| Plant spacing | Approximately 15–25 cm for mature plants |
| Row spacing | Approximately 25–40 cm |
| Position | Full sun in mild conditions; light afternoon shade useful in warmer conditions |
| Baby-leaf harvest | Approximately 20–30 days |
| Mature harvest | Approximately 40–50 days |
| Fulfilment | Stocked and dispatched in Singapore |
Why Grow Tatsoi?
- Compact Asian leafy vegetable with attractive dark green, spoon-shaped leaves.
- Mild brassica flavour with subtle mustard notes.
- Harvest young for tender baby leaves or grow into mature rosettes.
- Baby leaves can be ready in approximately 20–30 days.
- Excellent for salads, stir-fries, soups, noodles and steamed dishes.
- Compact growth habit makes Tatsoi suitable for pots, troughs and raised planters.
- Suitable for successive sowing during favourable growing conditions.
- Untreated, open-pollinated, non-GMO seed.
- Suitable for home gardens, container growing and market garden production.
How to Grow Tatsoi in Singapore
Tatsoi prefers cool to mild growing conditions. Singapore is warmer than Tatsoi’s ideal climate, so the best results are likely during relatively cooler periods or where growers can provide protection from intense afternoon heat. Containers can be particularly useful because they allow plants to be positioned where light and heat can be managed more easily.
- Choose a suitable position.
Select a well-drained garden bed, raised bed or container. In Singapore’s warm climate, morning sun with protection from intense afternoon heat can be preferable to an exposed position receiving strong sun throughout the day. - Prepare the soil.
Tatsoi grows best in fertile, well-drained soil that retains consistent moisture. Incorporate well-decomposed compost or other suitable organic matter where additional soil fertility is required. - Sow the seeds.
Sow Tatsoi seeds approximately 5–10 mm deep and cover lightly with fine soil. Seeds can be direct sown where they are to grow or raised as seedlings for later transplanting. - Keep evenly moist.
Water gently after sowing and maintain consistent moisture during germination without saturating the soil. Seeds generally germinate in approximately 5–10 days under suitable conditions. - Thin or transplant seedlings.
For mature Tatsoi rosettes, allow approximately 15–25 cm between plants and approximately 25–40 cm between rows. Plants grown specifically for baby-leaf harvesting can be spaced considerably more closely. - Maintain regular moisture.
Keep the root zone evenly moist as the plants develop. Avoid repeated wilting and drying, but ensure excess water can drain freely from the soil or container. - Watch for heat stress and bolting.
Tatsoi is a cool-season brassica. Persistent heat, plant stress and irregular watering can encourage premature flowering. In warm conditions, provide light afternoon shade and maintain consistent moisture. - Harvest.
Begin harvesting tender baby leaves at approximately 20–30 days, depending on growing conditions and preferred size. Mature rosettes are generally ready in approximately 40–50 days. Individual outer leaves can also be harvested progressively while allowing the centre of the plant to continue growing.
Flavour & Uses
Tatsoi has a mild, fresh brassica flavour with subtle mustard notes and a tender texture. It is generally milder than strongly flavoured mustard greens, making it a versatile Asian vegetable for both raw and cooked dishes.
Young leaves are particularly well suited to salads, baby-leaf mixes, sandwiches, wraps and fresh garnishes. Their mild flavour also makes Tatsoi easy to combine with lettuce, rocket and other Asian leafy vegetables.
Larger leaves and crisp stems can be stir-fried, sautéed, steamed or added to soups, noodle dishes and rice dishes. Tatsoi cooks quickly, so it can be added toward the end of cooking when a fresher texture is preferred.
Growing Tatsoi as Baby Leaf
Tatsoi is particularly useful as a baby-leaf vegetable because the young leaves are tender and can be harvested considerably earlier than mature plants. Baby leaves are commonly ready approximately 20–30 days after sowing, depending on temperature and growing conditions.
For baby-leaf production, sow more densely than for mature plants and harvest once the leaves reach your preferred salad size. Successive small sowings can provide a more regular supply than planting all of the seed at once.
In Singapore, baby-leaf production may be particularly useful because the shorter growing period allows the crop to be harvested before plants reach full maturity during warm conditions.
Growing Tatsoi in Pots & Containers
Tatsoi’s compact growth habit makes it well suited to container gardening. Pots, troughs, planter boxes and raised beds can all be used provided they contain quality growing media and have adequate drainage.
Containers are also useful in Singapore because they can be moved or positioned to provide morning sun while avoiding intense afternoon heat. Mature plants require sufficient space for their characteristic low rosettes to expand, while baby-leaf crops can be grown more densely.
Check container-grown plants regularly because pots can dry more quickly than garden soil. Maintain consistent moisture while avoiding permanently saturated growing media.
Tatsoi Vegetable Seeds for Singapore
Tatsoi is a useful choice for Singapore gardeners looking to grow Asian leafy vegetables in containers, raised beds or protected garden spaces. Its compact growth makes it particularly suitable for balconies and urban gardens where space is limited.
Because Tatsoi prefers cooler conditions, successful tropical growing depends on managing heat, moisture and exposure. A position with good airflow, morning light and protection from intense afternoon sun can provide more suitable conditions than a fully exposed tropical garden bed.
This Singapore range is stocked locally, with seed dispatched within Singapore rather than individually shipped from Australia.
Frequently Asked Questions
What is Tatsoi?
Tatsoi is a compact Asian leafy vegetable in the brassica family. It produces glossy dark green, spoon-shaped leaves arranged in low-growing rosettes and can be harvested as tender baby leaf or grown to maturity.
What is the botanical name of Tatsoi?
The botanical name is Brassica rapa var. narinosa.
Can Tatsoi grow in Singapore?
Yes, but Tatsoi is a cool-season vegetable and Singapore is warmer than its preferred climate. Grow it under the coolest practical conditions, provide good airflow and consider protection from intense afternoon heat. Baby-leaf production can be particularly suitable because plants are harvested relatively young.
Can Tatsoi be grown year-round in Singapore?
Tatsoi can be attempted at different times of year where growing conditions are carefully managed, but it should not be regarded as an ideal year-round tropical vegetable. Persistent heat can reduce crop quality and encourage premature flowering or bolting.
How long does Tatsoi take to grow?
Baby leaves can commonly be harvested in approximately 20–30 days, while mature plants are generally ready in approximately 40–50 days. Actual growing time varies with temperature, light, moisture and other growing conditions.
How long do Tatsoi seeds take to germinate?
Tatsoi seeds generally germinate in approximately 5–10 days under suitable moisture and temperature conditions.
How deep should Tatsoi seeds be planted?
Sow Tatsoi seeds approximately 5–10 mm deep and cover them lightly with fine soil or growing medium.
How far apart should Tatsoi plants be?
For mature plants, allow approximately 15–25 cm between plants and approximately 25–40 cm between rows. Baby-leaf crops can be grown considerably more densely.
Does Tatsoi prefer sun or shade?
Tatsoi grows well in full sun under cool conditions. In Singapore’s warmer climate, light afternoon shade can help protect plants from excessive heat while still providing sufficient light for leafy growth.
Can Tatsoi grow in pots?
Yes. Tatsoi’s compact growth habit makes it well suited to pots, troughs, planter boxes and raised containers. Use a fertile growing medium and ensure the container has good drainage.
Why is my Tatsoi flowering?
Premature flowering or bolting can be encouraged by warm weather, plant stress and irregular moisture. Singapore’s tropical temperatures make heat management particularly important when growing Tatsoi.
Can Tatsoi leaves be eaten raw?
Yes. Tender young Tatsoi leaves are well suited to salads, baby-leaf mixes, sandwiches, wraps and fresh garnishes.
Can Tatsoi be cooked?
Yes. Larger leaves and stems can be steamed, sautéed, stir-fried or added to soups, noodles, rice dishes and other cooked meals.
Can Tatsoi be grown for baby leaves?
Yes. Tatsoi is particularly suitable for baby-leaf production. Sow plants more densely than for mature rosettes and begin harvesting tender young leaves once they reach the preferred salad size.
Can Tatsoi also be grown as microgreens?
Yes. Tatsoi can also be sown densely in shallow trays and harvested at the microgreen stage. Microgreen growing methods and sowing densities differ from growing Tatsoi as a mature vegetable or baby-leaf crop.
Is this Tatsoi seed treated?
No. Seedmart Tatsoi Vegetable Seeds are supplied untreated with no chemical seed treatment.
Are Tatsoi Vegetable Seeds non-GMO?
Yes. Seedmart Tatsoi Vegetable Seeds are supplied as non-GMO seed.
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 Tatsoi Vegetable Seeds in Singapore?
Seedmart supplies Tatsoi Vegetable Seeds online for customers in Singapore, with stock held and fulfilled locally in Singapore.
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