Lemon tree
Citrus limon
Eureka
About this plant
The lemon tree is a small evergreen tree known for its bright yellow, sour fruit. It has glossy green leaves and fragrant white flowers. Lemons are widely used in cooking, drinks, and cleaning. The tree is valued for both its fruit and ornamental appeal.
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 worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Greenhouse, Balcony, Indoor
- Preferred window facing
- South-facing, Southwest-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 3–10 days
- Humidity
- Normal
- Minimum
- -2 °C
- Maximum
- 35 °C
- Optimal
- 20-30 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 5.5-6.5
- Soil type
- well-draining loam
Watering. Water deeply when the top inch of soil feels dry. Avoid letting the soil dry out completely or become soggy.
Fertilizing. Feed lemon trees with a balanced citrus fertilizer every 6–8 weeks during the growing season. Avoid over-fertilizing to prevent leaf burn.
Lemon trees prefer full sun and well-draining soil. They need regular watering but dislike waterlogged roots. Watch for pests like aphids and scale insects. With proper care, they can produce fragrant flowers and tasty fruit.
Propagation
- Propagation methods
- Seeds, Cuttings, Grafting
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Glossy green leaves, fragrant white flowers, bright yellow fruit
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, but ingestion of large amounts of lemon peel or seeds may cause mild stomach upset.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen, Skin contact
- Pollen level
- Moderate
Lemon trees can produce pollen that may cause mild allergic reactions in sensitive individuals, especially during flowering. People with citrus allergies should avoid close contact. To reduce exposure, avoid handling flowers and wash hands after touching the plant.
Common problems
Overwatering can cause root rot; underwatering leads to leaf drop. Pests such as aphids, scale, and citrus leaf miners may appear. Nutrient deficiencies can cause yellowing leaves.
Uses
Grown for its edible fruit used in cooking, beverages, and cleaning. Also valued as an ornamental tree in gardens and patios.
Notes
Prune lightly to maintain shape and remove dead wood. Repot young trees every 2–3 years. Protect from frost in colder areas.