Sweet Orange (Citrus sinensis)
Navel
About this plant
Citrus sinensis, commonly known as the sweet orange, is a popular fruit tree known for its juicy, sweet oranges. It has glossy green leaves and fragrant white flowers. The tree is widely grown for fresh fruit and juice and is also valued for its ornamental appeal in gardens and patios.
Taxonomy
Higher classification: Sapindales
Origin & Distribution
- Native region
- Southeast Asia
- Distribution
- Widely cultivated in subtropical and tropical regions worldwide, including the Mediterranean, United States (California, Florida), Brazil, and China.
Care
- Suitable locations
- Outdoor, Balcony, Greenhouse, Indoor
- Preferred window facing
- South-facing, West-facing, East-facing
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5
- Soil type
- well-draining loam, sandy soil
Watering. Water regularly to keep soil moist but not soggy. Allow the top inch of soil to dry out between watering to prevent root rot.
Fertilizing. Feed the tree with a balanced citrus fertilizer every 6 to 8 weeks during the growing season (spring through summer). Avoid fertilizing in winter when growth slows.
Citrus sinensis is moderately easy to care for but needs plenty of sunlight and well-draining soil. It can suffer if overwatered or grown in poor light. Regular watering and occasional fertilizing help it thrive.
Propagation
- Propagation methods
- Seeds, Cuttings, Grafting
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Glossy green leaves, fragrant white flowers, and bright orange fruit make it attractive in gardens.
Toxicity & Safety
Generally safe but avoid ingestion of seeds and leaves. Sap can irritate skin in sensitive individuals.
Allergy information
Some people may be allergic to the pollen or skin contact with the citrus tree's sap. This can cause mild skin irritation or respiratory symptoms. To reduce exposure, avoid touching the sap and keep the tree away from sensitive individuals during flowering.
Common problems
Common problems include overwatering leading to root rot, pests like aphids or scale insects, and leaf yellowing from nutrient deficiencies.
Uses
Grown mainly for its sweet edible fruit and juice. Also used ornamentally in gardens and patios.
Notes
Prune lightly after fruiting to maintain shape and remove dead branches. Repot young trees every 2-3 years to refresh soil. Protect from frost as it is sensitive to cold temperatures.