Kumquat
Citrus japonica
Compact citrus ideal for pots; edible sweet skin and tart flesh.
🌞 Light & Temperature
Light: Full sun; very bright light if indoors
Temperature: 22–32°C
🪴 Pot & Soil
Pot: 25–40 L pot with coarse-textured citrus mix; full sun balcony.
Soil Mix: Well-draining citrus mix; pH 6–6.5
💧 Watering
Schedule: Dry season: 2–3x/week; Rainy season: 1–2x/week if no rain
Amount: 2–3 L per watering
Allow top 3 cm to dry between waterings.
🧪 Fertilizing
Type: Citrus fertilizer with micronutrients (Fe, Mg, Zn)
Frequency: Every 4 weeks; foliar micro 6–8 weeks
Dosage: 30–50 g/month for 25–40 L pot
🍓 Fruiting & Harvest
Start: 6–12 months (grafted)
Seasonality: Year-round with peaks after dry spells
Duration: 90–120 days to ripen
Harvest Indicators: Fruit turns bright orange and aromatic
Tips: Snip with pruners to avoid spur damage.
🌱 Propagation
Grafted plants preferred; air-layering possible
🐛 Pests & Diseases
- Leaf miner: Prune flushes; white oil 1–2%.
- Scale: Brush off; white oil 1–2% biweekly until clear.
🌦️ Seasonal Notes (Malaysia)
Protect bloom from heavy rains; shake branches gently to aid pollination.
📝 Planting Notes
Clay pots improve stability and drainage.
💡 Extra Care Tips
- Light prune after fruiting
- Supplement iron if interveinal chlorosis appears
Note
Schedules are guidelines—adjust for your microclimate, pot size, and weather. During heavy monsoon rain, reduce watering and improve drainage.