PlantFun
Plant Needs
Sunlight
Requires full sun to partial shade; at least 6 hours of direct sunlight weekly to support fruiting; provide afternoon shade in extreme heat.
Watering
Water thoroughly when the top 5 cm of soil is dry; avoid overwatering to prevent root rot.
Temperature
Thrives in 18–25°C; protect from frost below 10°C by moving potted specimens indoors in cold weather.
Characteristics
- Leaf: Glossy, ovate to elliptical evergreen leaves with leathery texture and aromatic oil glands.
- Flower: Fragrant white to pale pink five-petaled blossoms in terminal clusters.
- Fruit: Finger-like segmented citron with thick, intensely fragrant zest; lacks pulp or juice.
Care Guide
Watering
Keep soil consistently moist during growing season to support flower and fruit development
Fertilization
Feed with balanced citrus fertilizer every 2 weeks. Discontinue fertilization in autumn and winter when growth slows to avoid nutrient buildup.
Eggshell powder + banana peel compost tea：Crush dried eggshells and mix with fully composted banana peels, steep in water for 3 days, dilute 1:20 for root drench to avoid soil nutrient imbalance.Pruning
- Remove dead or diseased branches in late winter to encourage new growth and improve air circulation.
- Thin crowded shoots to increase sunlight penetration for better fruiting.
- Prune potted specimens to maintain desired shape; avoid heavy pruning during fruiting season.
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic due to psoralens and essential oils; ingestion may cause gastrointestinal distress.
Humans: Mild oral or skin irritation from prolonged contact with essential oils; ingestion may cause stomach upset.
Garden Uses & Culture
Culture: Symbolizes happiness, longevity, and good fortune in East Asian cultural traditions.
Usage: Fragrant zest for culinary flavoring, aromatherapy, and decorative display.
