Petunia
Petunia x hybrida
Malay names: Petunia
Prolific flowering annual; suitable for hydro outdoors with fast drainage and bright sun.
🌞 Light & Temperature
Light: Full sun to very bright light
Temperature: 20–32°C
🪴 Container & Medium
Container: DWC with good aeration or drip to LECA/perlite; avoid waterlogging; full sun to bright light.
Medium / Solution: Medium: clay pebbles/perlite mix; Solution: pH 5.8–6.2, EC 1.6–2.2 mS/cm
💧 Watering / Solution Maintenance
Schedule: Maintain constant moisture; change solution 10–14 days
Top-up: Moderate to high during peak bloom
pH 5.8–6.2; EC 1.6–2.2 mS/cm
🧪 Nutrients
Type: Bloom-focused nutrient (higher K/Fe)
Frequency: Check EC weekly; adjust as needed
Dosage/EC: EC 1.6–2.2 mS/cm; pH 5.8–6.2
🍓 Harvest
Start: 6–8 weeks from transplant
Seasonality: Continuous in warm weather
Duration: Months with maintenance
Harvest Indicators: Continuous flush of blooms
Tips: Deadhead and trim leggy growth to reflush.
🌱 Propagation
Seeds or cuttings (certain cultivars).
🐛 Pests & Diseases
- Whiteflies/aphids: Sticky traps; neem 1%; airflow to reduce mildew.
🌦️ Seasonal Notes (Malaysia)
Shelter from torrential rain; prune after heavy weather.
📝 System Notes
Provide airflow; avoid soggy media.
💡 Extra Care Tips
- Regular light feeding maintains blooms
- Trim to encourage branching
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.