Mint (Spearmint)
Mentha spicata
Malay names: Pudina
Very forgiving herb; grows vigorously in hydro; frequent cutting keeps it tidy.
🌞 Light & Temperature
Light: Bright light to partial sun
Temperature: 20–34°C
🪴 Container & Medium
Container: DWC/NFT/Kratky; 2 inch net pots; can share troughs.
Medium / Solution: Medium: clay pebbles; Solution: pH 5.8–6.5, EC 1.2–1.8 mS/cm
💧 Watering / Solution Maintenance
Schedule: Top-up as needed; change every 10–14 days
Top-up: Keep roots aerated; maintain solution level
pH 5.8–6.5; EC 1.2–1.8 mS/cm
🧪 Nutrients
Type: Complete herb nutrient
Frequency: Check EC weekly; full change 10–14 days
Dosage/EC: EC 1.2–1.8 mS/cm; pH 5.8–6.5
🍓 Harvest
Start: 4–6 weeks from cuttings
Seasonality: Year-round
Duration: Continuous harvest
Harvest Indicators: Stems 15–25 cm; leaves lush and aromatic
Tips: Cut above nodes; avoid letting plant flower for best flavor.
🌱 Propagation
Stem cuttings root readily in water in 5–7 days.
🐛 Pests & Diseases
- Aphids/whiteflies: Neem 1%; sticky traps; prune for airflow.
🌦️ Seasonal Notes (Malaysia)
Provide shade in hottest periods to reduce wilting.
📝 System Notes
Trim regularly; contain runners in system.
💡 Extra Care Tips
- Rejuvenate by re-rooting tips if leggy
- Avoid very high EC to prevent bitterness
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.