PlantFun
Plant Needs
Sunlight
Requires full sun for optimal fruit production; tolerate partial shade but will reduce fruiting output
Watering
Water deeply when the top 15–20 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Thrives in 18–28°C; tolerate brief dips to 5°C but require frost protection below -2°C
Characteristics
- Leaf: Oval, glossy dark green leaves with aromatic oil glands on undersides
- Flower: Fragrant white five-petaled blossoms in terminal clusters
- Fruit: Large, seedless navel oranges with thick, pebbled orange rind
- Stem: Woody, thorny young branches; smooth gray bark on mature trunks
Care Guide
Watering
Water deeply every 7–10 days; increase frequency during hot, dry spells
Fertilization
Feed every 4–6 weeks with balanced citrus fertilizer. Avoid fertilizing in winter when growth is dormant to prevent root burn
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the tree base and water thoroughly to incorporate into soilPruning
- Prune dead, diseased, or crossing branches in late winter to improve airflow and sunlight penetration
- Thin crowded inner branches to support uniform fruit ripening
- Remove rootstock suckers regularly to maintain the cultivar's desired traits
- Shape young trees to establish an open, strong canopy for better fruit production
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic due to essential oils and psoralens; may cause gastrointestinal irritation and photosensitivity
Humans: Ingestion of large quantities of peel or concentrated essential oil may cause mild gastrointestinal upset or skin irritation
Garden Uses & Culture
Culture: Symbolizes prosperity and good fortune in Mediterranean and East Asian cultural traditions
Usage: Edible seedless fruit for fresh consumption and juice production; ornamental landscape tree
