Indeterminate Tomato 'Black Plum' (Solanum lyvopersicum) - unleashes a gothic gourmet storm in tropical homes. Elongated 6–8 cm plums ripen from emerald to inky mahogany-bronze, each bursting with smoky-sweet depth (Brix 8–10). Indeterminate vines rocket to 1.8–2.5 m, draping 500–800 fruits per plant in endless tropical waves.
Highlights:
Flavor bomb—roasted umami meets black cherry;
Heat-proof beast—thrives at 38°C+ and 90% humidity;
Vertical balcony star—trellis on rails or hang in 25 L pots;
Non-stop harvest—first ripe in 70 days, then daily picking year-round.
Growing:
Use moist paper towel method to speed up the germination (optional).
Sow: Depth: 4–6 mm. Poke hole, drop 1 seed, cover lightly, press flat. Germination: 6–10 days. Transplant: At 10–15 cm (2 true leaves) to final pot. Pot: 20–25 L (30 cm Ø) with drainage holes.
Soil: Mix: 50% potting soil + 30% compost + 20% perlite/coconut coir. pH 6.0–6.8.
Light: 6-8 hrs direct sun. Keep the pot or plant in a bright, sunny location.
Watering: Regular to keep the soil moist, but not soggy. Water when soil is dry to the touch.
Fertilizing: Tomatoes are heavy feeders:
1. Seedling stage: High-nitrogen (e.g., 15-15-15);
2. After transplant & flowering: Switch to high potassium & phosphorus (fruiting formula).
Local favourites: “Mr Ganick Tomato Fertiliser” (organic); Flowering/Fruiting NPK 8-24-24 or 10-20-20 every 10–14 days. Weekly foliar spray of calcium + boron (prevents blossom-end rot, very common in SG). Add epsom salt (magnesium sulfate) once a month → prevents yellowing leaves.
Polination (Critical in High Humidity):
1. Shake plants gently every morning 9–11 am (mimics wind).
2. Use an electric toothbrush or small fan pointed at flowers for 10 seconds.
3. Spray flowers lightly with water in the morning (helps pollen stick).
Common Problems & Solutions in tropical climate:
1. Blossom-end rot → calcium deficiency + uneven watering → keep soil evenly moist + weekly calcium foliar spray.
2. Fungal diseases (early blight, powdery mildew) → improve airflow, prune lower leaves, neem oil spray weekly as preventive.
3. Fruit cracking → sudden heavy rain after dry spell → mulch heavily + shelter during storms.
4. Whiteflies & aphids → yellow sticky traps + neem oil + dish soap spray.
5. Caterpillars (tomato hornworm) → hand-pick or use Bacillus thuringiensis (Bt) spray.
The TSM Guarantee: It's our promise to ensure that all our products are strictly Non-GMO, and free from any possible harmful chemical compounds. All come from trusted and carefully selected small non commercial farmers worldwide providing fresh, safe supply. Specially sourced for Singapore.
