Impatiens (Balsam)
Impatiens walleriana / I. balsamina
Malay names: Bunga Balsam
Shade-loving flowering annual; suitable for hydro in bright shade with gentle EC.
🌞 Light & Temperature
Light: Bright shade to filtered light
Temperature: 20–30°C
🪴 Container & Medium
Container: DWC/NFT in shaded area; keep solution cool and aerated.
Medium / Solution: Medium: clay pebbles/LECA; Solution: pH 6.0–6.5, EC 1.0–1.6 mS/cm
💧 Watering / Solution Maintenance
Schedule: Maintain moisture; change 10–14 days
Top-up: Moderate; avoid heat stress
pH 6.0–6.5; EC 1.0–1.6 mS/cm
🧪 Nutrients
Type: Balanced ornamental nutrient
Frequency: Weekly light feeding
Dosage/EC: EC 1.0–1.6 mS/cm; pH 6.0–6.5
🍓 Harvest
Start: 5–7 weeks from sowing
Seasonality: Best in shaded, humid conditions
Duration: Continuous with deadheading
Harvest Indicators: Continuous flowering
Tips: Deadhead and trim lightly to re-bloom.
🌱 Propagation
Seeds or softwood cuttings.
🐛 Pests & Diseases
- Downy mildew (some types): Ensure airflow; avoid leaf wetting late; remove affected plants.
🌦️ Seasonal Notes (Malaysia)
Keep in shade during intense heat or heavy rain.
📝 System Notes
Avoid overcrowding; good airflow.
💡 Extra Care Tips
- Keep EC gentle to avoid burn
- Provide consistent moisture
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.