Coleus (Ati-ati)
Plectranthus scutellarioides
Malay names: Ati-ati
Vibrant foliage annual; fast in hydro/Kratky with bright light and regular pinching.
🌞 Light & Temperature
Light: Bright light to partial sun
Temperature: 22–34°C
🪴 Container & Medium
Container: Kratky jars or DWC; 2 inch net pots; bright light with light shade mid-day.
Medium / Solution: Medium: LECA or clay pebbles; Solution: pH 5.8–6.5, EC 1.0–1.6 mS/cm
💧 Watering / Solution Maintenance
Schedule: Top-up as needed; change 10–14 days (DWC)
Top-up: Keep roots moist and aerated
pH 5.8–6.5; EC 1.0–1.6 mS/cm
🧪 Nutrients
Type: Ornamental foliage nutrient
Frequency: Check EC weekly; change 10–14 days
Dosage/EC: EC 1.0–1.6 mS/cm; pH 5.8–6.5
🍓 Harvest
Start: 4–6 weeks from cuttings
Seasonality: Year-round color
Duration: Continuous with pinching
Harvest Indicators: N/A
Tips: Pinch flowers to focus on foliage color.
🌱 Propagation
Stem cuttings root very easily in water.
🐛 Pests & Diseases
- Aphids/whiteflies: Sticky traps; neem 0.5–1%; prune dense growth.
🌦️ Seasonal Notes (Malaysia)
Provide shade and airflow in monsoon to reduce mildew.
📝 System Notes
Regular pinching keeps compact and colorful.
💡 Extra Care Tips
- Avoid overfeeding to prevent dull colors
- Rotate for even light
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.