Coriander (Cilantro)
Coriandrum sativum
Malay names: Ketumbar
Cooler-loving herb; possible in Malaysia with shade, airflow, and careful EC/temperature control.
🌞 Light & Temperature
Light: Bright indirect light to partial sun
Temperature: 18–28°C (bolts >30–32°C)
🪴 Container & Medium
Container: NFT/DWC with good aeration; 2 inch net pots; shade 50% in heat.
Medium / Solution: Medium: coco plugs/rockwool; Solution: pH 6.0–6.5, EC 1.2–1.8 mS/cm
💧 Watering / Solution Maintenance
Schedule: Top-up daily; change every 7–10 days
Top-up: Keep solution cool and oxygenated
pH 6.0–6.5; EC 1.2–1.8 mS/cm
🧪 Nutrients
Type: Herb nutrient (lower N to reduce bolting)
Frequency: Check EC/pH twice weekly; change 7–10 days
Dosage/EC: EC 1.2–1.8 mS/cm; pH 6.0–6.5
🍓 Harvest
Start: 4–6 weeks from sowing
Seasonality: Best in cooler months/highlands or strong shade
Duration: Short picking window before bolting
Harvest Indicators: Leaves broad and tender; stems before elongation
Tips: Harvest frequently; keep cool and shaded to delay bolting.
🌱 Propagation
Seeds (split seeds for better germination)
🐛 Pests & Diseases
- Aphids: Neem 0.5–1%; avoid overhead wetting; increase airflow.
🌦️ Seasonal Notes (Malaysia)
Grow under shade with fans; best performance in cooler months or highlands.
📝 System Notes
Sow densely then thin; keep roots cool.
💡 Extra Care Tips
- Use light EC and cool solution
- Harvest young and often
Note
EC and pH are guidelines—adjust to plant response and your water source. In monsoon humidity, increase airflow and reduce overcrowding to limit disease.