Lemon tree
Citrus x limon
Eureka
About this plant
The lemon tree is a small evergreen tree known for its bright yellow, sour fruit used in cooking, drinks, and cleaning. It has glossy green leaves and fragrant white flowers. Lemons are popular worldwide and valued for their refreshing flavor and vitamin C content.
Taxonomy
- Genus
- Citrus
- Family
- Rutaceae
- Higher classification
- Sapindales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Asia (likely India or China)
- Distribution
- Widely cultivated in subtropical and Mediterranean climates around the world, including the Americas, Europe, Asia, and Australia.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, Southwest-facing, Southeast-facing
- Watering frequency
- Moderate
- Watering interval
- 4–10 days
- Humidity
- Normal
- Minimum
- -2 °C
- Maximum
- 35 °C
- Optimal
- 18-27 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 5.5-6.5
- Soil type
- well-draining loam, sandy soil
Watering. Water lemon trees deeply but allow the soil to dry slightly between watering. Avoid waterlogging to prevent root rot.
Fertilizing. Feed lemon trees with a balanced citrus fertilizer every 6 to 8 weeks during the growing season (spring through summer). Avoid fertilizing in winter when the tree is dormant.
Lemon trees are moderately easy to care for but need plenty of sunlight and well-draining soil. They dislike overwatering and cold temperatures. Regular watering and occasional fertilizing help keep the tree healthy and productive.
Propagation
- Propagation methods
- Seeds, Cuttings, Grafting
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Glossy green leaves, fragrant white flowers, and bright yellow fruit make lemon trees attractive in gardens and patios.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
Lemon trees are generally safe but the sap can irritate skin. Keep away from pets that may chew leaves or fruit to avoid mild stomach upset.
Allergy information
- Allergy risk
- Moderate
- Allergy triggers
- Pollen, Sap or latex, Skin contact
- Pollen level
- Moderate
Lemon trees produce pollen that can cause mild allergic reactions in sensitive people, especially during flowering. The main triggers are pollen and skin contact with the sap, which may cause irritation. To reduce exposure, avoid touching the sap and keep the tree outdoors or in well-ventilated areas.
Common problems
Common problems include yellowing leaves from overwatering, pest infestations like aphids, and leaf drop if temperatures are too low or if the plant is stressed.
Uses
Grown mainly for its edible fruit used in cooking, beverages, and cleaning. Also grown as an ornamental plant for its attractive foliage and flowers.
Notes
Prune lemon trees lightly to maintain shape and remove dead or crossing branches. Repot young trees every 2-3 years. Protect from frost and cold drafts.