Chinese Celery (Daun Sup)
Apium graveolens var. secalinum
Malay names: Daun Sup, Saderi Cina
Aromatic garnish herb; thrives in NFT with shade and cool, oxygenated solution.
🌞 Light & Temperature
Light: Bright light to partial sun; avoid harsh midday sun
Temperature: 18–30°C (quality drops >32°C)
🪴 Container & Medium
Container: NFT with shallow channels or DWC; 2 inch net pots; strong aeration; shade 30–50%.
Medium / Solution: Medium: clay pebbles/rockwool; Solution: pH 6.0–6.5, EC 1.2–1.8 mS/cm
💧 Watering / Solution Maintenance
Schedule: Top-up daily; change every 10–14 days
Top-up: Maintain constant flow/level; avoid heat buildup
pH 6.0–6.5; EC 1.2–1.8 mS/cm
🧪 Nutrients
Type: Herb/leafy nutrient with adequate Ca/Mg
Frequency: Check EC/pH 2–3x/week; change 10–14 days
Dosage/EC: EC 1.2–1.8 mS/cm; pH 6.0–6.5
🍓 Harvest
Start: 6–8 weeks from sowing
Seasonality: Best in drier months or shaded, airy sites
Duration: Cut-and-come-again for several weeks
Harvest Indicators: Stems 15–25 cm; strong aroma
Tips: Harvest outer stems; keep crown intact for regrowth.
🌱 Propagation
Seeds; transplant at 3–4 true leaves.
🐛 Pests & Diseases
- Aphids/whiteflies: Sticky traps; neem 0.5–1%; improve airflow.
- Leaf spots: Avoid wet foliage at night; prune dense growth.
🌦️ Seasonal Notes (Malaysia)
Use shade and airflow during monsoon to limit disease.
📝 System Notes
Tight spacing ok (15–20 cm) for bunching harvests.
💡 Extra Care Tips
- Keep solution cool and oxygenated
- Light, frequent harvests enhance flavor
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.